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NINE
MONTHS' experience has proved what we felt when the Diesel CX was first
tested. There is little loss of refinement compared with the petrol
equivalent and with 60 per cent better fuel consumption, the loss of
performance becomes very easy to live with. When you look at a car,
just its appearance tells you something about it - or it should. A
Jaguar or a Ferrari looks as though it is doing 6Omph when it is
standing still. German cars over-exhibit Teutonic thoroughness through
a lack of ostentation and a completely practical - yet soulless -
approach in the design. Thank goodness for Citroens which, while they
are best in only a few areas, at least are cars of great character.
They are the sort of cars that you christen and which somehow provide a
feeling of companionship. When you look at a Citroen, if you are an
engineer you are appalled at the expensive ends to which the company
goes to provide aerodynamic shape and probably just as amazed that the
sophisticated dynamic systems can be provided for quite reasonable
prices. To an ordinary motorist a Citroen exhibits all that is in good
taste.
What I have never been able to come to terms with during my
nine-month stint with the Citroen CX22OO Diesel is the incongruity of
that "commercial" diesel knocking noise in in a car whose appearance
shouts elegance and sophistication. The looks on people's faces when
you start the thing up must be seen to be believed. They look
everywhere but at the car, thinking perhaps the noise coming from a
delivery van that has just disappeared round the corner.
But I should not care very much for what others think of the car. It
has averaged 33.5 mpg over the last 12,000 miles, it is supremely
comfortable for the considerable mileage that I do. 12,000 miles in
nine months with the Citroen represents about a third of all the
mileage that I cover in the various cars that pass through Autocar’s
hands and it has ,always been valuable to return to the Citroen to be
reminded of how certain things should be done properly.
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In
its element on the long continental drag down to Geneva to cover the
Motor Show. However hard you drive, at least 300 miles is available on
a tankful and several times we have easily exceeded 400 miles.
Presently, ours is the only country in Europe where diesel costs as
much as petrol - surely a highly inflationary situation.
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Apart
from the noise, the only give-away that the CX2200 has a diesel engine
is the D at the end of the name. The car has proved ideal for towing,
albeit rather slowly with a heavy load.
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Take
for instance the control layout. The flying saucer-shaped binnacle of
effective, modern design puts everything within easy fingertip reach.
The function of each switch or lever is easy to learn and so one can
concentrate solely on driving without any nagging worries over finding
the right control or even of having to take one's hands from the wheel.
There was a time when Citroen had a headstart in respect of ride and
handling but others have caught up and Jaguar and Peugeot have
definitely moved ahead. But with the exception of these two, Citroen
still set a level of ride comfort (especially in the back) which is
better than others. So it is always nice to return to the Diesel CX to
have one’s benchmark recalibrated after this has been joggled downward
by the inferior ride standard of other cars.
But these features are
typical Citroen CX. What of the engine and its suitability for a
close-to-top-of the market car? The big four-cylinder petrol engine
which, in several capacities, has powered the CX range from the start
is a slow-revving slogging sort of an unit; this suits the character of
the Citroen which "lollops" along rather than sprints. Thus, the
application of a diesel engine - which must necessarily run slowly to
gain a fuel consumption advantage is appropriate. It means that gearbox
ratios and the final drive are shared with the petrol-car despite a
difference of 1,000 rpm in the engine speed at which maximum power is
produced. By very careful attention to noise insulation, there is only
a little more evidence of engine noise inside the car (with the windows
up, of course) and there is remarkably little roughness which previous
diesel applications have schooled one to expect. Apart, perhaps, from
the Golf Diesel, the Citroen has easily the highest cruising speed of
any like-engined car and it can, in fact, be cruised interminably at
its maximum speed.
But, there is another, very important aspect of diesel car driving.
Since you can't go very quickly, and certainly have to think very hard
about overtaking, after a week or so in the car one becomes a quieter,
better adjusted person. Not, perhaps, one prepared to move along with
the herd but certainly one who is learning that the herd might actually
have a point in gently meandering along and enjoying the scenery,
what's on the radio and the thought that a nice cream tea might be
around the corner. Diesels are good for the soul.
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Above the diesel engine is
similar in layout to the petrol versions, but there are changes in the
units driven by the belts
Below those rear seats with
ample leg and head room are no bother at all for passengers on long
journeys. The drop-down armrest provides good location |
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Above
facia layout is similar to the petrol-engined cars; main changes are
the idle adjustment alongside the steering colum and the glow plug
warning lamp amongst the instruments
Below the perforated blinds at
the back of the rear seats are useful when driving with the sun behind
you. There are side visors for rear passenger comfort. |
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They
are also good for the pocket. Though the overall fuel consumption for
12,000 miles has been 33.5 mpg, this has necessarily included several
journeys on which consumption has been artificially low. The Citroen
towed my racing car up to Croft circuit, near Darlington, on one
occasion and the consumption dropped to 22 mpg. Two weekends later, it
was used to tow a very large caravan to Silverstone for the Tourist
Trophy meeting; again, consumption was down to 22 mpg. These figures an
be seen in context when compared with the petrol-engined CX 2000 Safari
whose consumption drops right down to 16 mpg when tackling the same
towing task. If 22 mpg represents an all-time low, the all-time best
was the result when "my" car was used for a Diesel Cars Test Day. This
involved a complete loop of London using the thoroughly inadequate
North and South Circular roads. Though it shouldn't have done, this
test involved stop/start driving for just over 50 miles and took close
on three hours. It was of course ideal diesel running with lots of part
throttle and no high-speed cruising. The CX came a splendid second to
the remarkable VW Golf Diesel providing 41.6 mpg compared with the
Golf's 54.5 mpg.
Compare the Citroen's result with other
diesel-engined cars of similar size: the Opel Rekord Estate car gave
25.1 mpg, the Peugeot 504 31.1 mpg, the Mercedes 240D 29.0 mpg, and the
Mercedes 300D completed the list with 27.2 mpg. During more normal
running that the CX has been doing, fuel returns have been usually in
the mid thirties with just two more returns over 40 mpg during the last
year. Incidentally, the fuel consumption appears to be improving as the
engine covers more miles. During the first 6,000 miles period,
consumption was 32.5 mpg but from 6 to 12,000 miles, the figure has
improved to 34.9 mpg.
In the context of gradual improvement, one should also comment on the
oil consumption. During the first 3.000 miles we were getting less than
300 miles per pint of SAE 3OHD oil - stuff you can't exactly get
everywhere. Citroen were asked about this and they confirmed that
consumption would be high initially but that it would improve as the
mileage went up. Fortunately, this has proved to be the case and the
current consumption is over 800 miles per pint. These results fall in
with one of the most amusing things to read in any owner's handbook.
Under the heading of Running-in instructions it clearly states that the
engine will not be fully run-in until 12,000 mites have been covered
and that until this mileage, the usual conditions of full throttle and
heavy load avoidance should be adhered to. If the oil consumption is a
guide and the steady improvement in the performance and fuel economy
are also considered it seems that the engine is just about run in
nearly one year and 12,000 miles after the car was suppled.
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Above the boot space is vast and
without the spare wheel or tools cluttering it up, it is sensibly shaped
Left Editorial seats- Tech Editor Jedd
Daniels at the wheel and Editor Ray Hutton as co-driver en route for
the Geneva Show earlier this year. |
To
close the considerations of the diesel aspect of the CX, the point
should be made that the British garage industry is not yet attuned to
the needs of the diesel passenger car. Most of the garages selling Derv
do so to service lorry traffic. Not surprisingly this tends to be a
weekday requirement and thus you find that few of the garages that stay
open at the weekend have diesel fuel available and this has led to
anxious moments.
The CX has a pronounced front end bias for its
considerable weight. Thus gives the advantage of splendid roadholding
on wet roads for a fwd car but does bring the disadvantage of very
heavy understeer. We have countered this to a slight extent by running
the front tyres 2 psi over pressure and though there is a slight
penalty of worsened ride quality, the advantage of more precise
steering and less “deadness” in the straight-ahead position are well
worth having.
As one who has done a considerable mileage in Citroens with the
Varipower power assisted system, it becomes difficult to be totally
objective about its merits and disadvantages. This is because it takes
a long while to get used to the system. Once you have mastered it, you
get to like it. With just 2 1/2 turns from lock to lock, the steering
is very high-geared indeed. But if you are not used to it, you tend to
steer too much and get too close to things - the consequent movement
away leads to ragged driving. Once accustomed to the steering, however,
one finds that the car can be placed with laudable precision and of
course, high-gearing with a power-assisted system means effortless
driving. But to give an idea how only familiarity can enable one to
cope with the system, one might cite our experience when towing.
Whereas I was able to tow without any snaking of the trailer at speeds
as high as 50 mph, my wife, who has driven the car much less could get
the trailer snaking at speeds as low as 30 mph. Certainly, ham-fisted
drivers will never get used to the steering and will make themselves
and their passengers very unhappy on a journey of any length. I would
not be at all surprised to find hat dealers take out potential
customers in a car without the power-assisted system.
Citroens must always have been difficult cars to sell on the basis of a
demonstration run. It takes weeks to come completely to terms with the
car and the way it does things, Once you have done so, Citroens become
very satisfying to drive and not the challenge that they appeared at
first. The other peculiarity of the diesel Citroen that could possibly
put off a potential customer on a demonstration run is the problem of
the car's heavy flywheel.
With a compression ratio double that of most petrol engines, one can
see that without a heavy flywheel the engine speed would slow abruptly
when the accelerator is closed. In fact, the slowing down is faster
than a petrol engine and one needs to be very accurate in matching the
engine to transmission to ensure smooth progress. The technique that
works best is to assume that there is no synchromesh and that all
changes will have to be matched exactly. Thus, when changing up, one
tends to linger in neutral, as one would in a lorry, before gently
pushing the gear-lever through to the next gear. Changing down, one
tends to let the engine speed build up gradually and then one can
choose the exact moment to move to the next gear. When you get it
right, it is very satisfying.
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Above
up-down, turnaround. In its sleeping position, the Citroen snuggles the
road and looks balefully up at pedestrians. When awake it still looks
low but has good ground clearance and, for towing, the virtue of
self-levelling rear suspension* - there are
two higher suspension settings, one for roughish roads and a very high
position for very slow progress on really rough roads.
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The
diesel engine, power steering and efficient electric front window lifts
are things offered on the diesel version of the CX. What of the
equipment common to all CX models? The opulent comfort of the fabric
seats which are adjustable for front and rear height has previously
been referred to. Suffice to add that these features allow everyone to
be comfortable in the car and the only criticism that this particular
user would make is that the steering wheel is unnecessarily large in
diameter - a smaller wheel would give better clearance above one's
legs. In the rear of the CX, the amount of leg, shoulder and kneeroom
is impressive and everyone that has travelled in the back has felt well
catered for. There are map pockets on the backs of the front seats into
which to put sweet papers and each rear seat passenger has his or her
own ashtray. There are even a pair of blinds that may be pulled up to
latch just ahead of the rear window glass. I've never used them but
they should certainly cut down on glare at night and excessive
brightness for rear seat passengers in the height of summer - they also
give privacy for the rear compartment but only for prying eyes looking
through the rear window.
The aspect of the CX that disappoints most
- especially considering the climate of the country of origin - is the
heating and ventilation system. It is difficult to maintain an equable
temperature during the winter and not possible to get cool air in the
summer without using the fan. Admittedly, the latter is quiet on its
slowest speed when the car is on the move but when stationary, the
amount of noise from the fan is too great. There is also the problem
that the heater controls are mounted in the centre of the car and the
temperature control lever operates the water valve directly. As a
result, hot water is always present in the pipes beneath the console
and this makes the front of the car stuffy - even when the heater is
switched to its cold setting.
The final aspect of the interior that I find very annoying is the
positioning of the radio. Unlike most installations, that in the
Citroen is nearly vertical. As a result it is impossible to see the
radio tuning scale without leaning well forward and looking down. This
arrangement smacks badly of afterthought and one hopes that something
can be done about this particular piece of poor design. Just like a
warning instrument or the speedometer, what is showing on the radio
scale should be able to be interpreted very quickly and with a minimum
of need to refocus - setting the radio vertical makes this impossible.
While on the subject of clear interpretation of information that the
driver needs, the drum-type speedometer is a disaster. It is impossible
to check one's speed accurately without first taking one's eyes from
the road and refocussing on what the drum is displaying. A conventional
dial with sweep needle is required since with such a device, one can
absorb speed indication through one's peripheral vision without the
tiring (and potentially dangerous) need to refocus.
Early on in the life of our Diesel, its heated rear window and
cigarette lighter failed. Tracing the wiring and checking the fuses
failed to produce a solution and eventually a new wire from the
ignition switch to the fusebox for these items was tried - this cured
the problems. In all other respects, the Citroen has been a model of
reliability - until that is, it let itself down badly just before this
report was due for writing. Photographer Peter Cramer had taken the CX
home for the weekend. The water pump failed. With difficulty but great
care, he drove to a local Citroen dealer to have a replacement fitted -
an easy enough task one might think. But, no. Not only did this
particular dealer not have such a part in stock but neither did all the
others that he contacted for us. So, on Monday morning, the car was
declared VOR (Vehicle off the road) and the central parts department at
Staines were contacted to supply a replacement part. Exactly one week
later, the pump was delivered to Bedford and has now been fitted. Be
warned - it appears that the parts for Diesel Citroens held by dealers
do not give the same coverage as petrol-engined cars.
No other serious service faults have arisen though I am getting fed up
with asking Citroen at Slough whether our car is correct in taking
nearly a minute to pump itself up to correct operating height. Since
the petrol-engined models take just a few seconds - as the diesel car
did when it was new - I think there must be something wrong. The reason
why this is a serious problem for us on this magazine is that lots of
different people drive the car and they cannot all be expected to know
that it is not safe to drive off just because all the pretty warning
lights have gone out – the normal indication that all systems are ‘go’.
I seem to have ended with a moan This does not give the right
impression of a car that should by all the usual standards have
disappointed. Its lack of acceleration one might imagine to be a
hardship and yet once on the move one never feels at a disadvantage
among other traffic and once "wound up", with nothing to overtake,
journey averages can be well up with most conventional cars.
If I was asked to drive from London to Edinburgh overnight I would have
no misgivings about taking the Citroen Diesel along. On a journey of
this length, its comfort and heartwarming economy would more than
outweigh the ability of others to get there a few minutes earlier.
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Specification |
Engine:
in-line, 4 cyl, 90 x 85.5 mm (3.54 x 3.37 in), 2,175 cc (132.7 cu in);
CR 22.5 to 1; Bosch Rotary or Roto diesel injection 66 bhp (DIN) at
4,500 rpm; max torque 92.6 lb ft (12.8 mkg) at 2,750 rpm |
Transmission: Front engine, rear drive **, Manual, overall ratios: 3.82, 5.39,
8.73, 15.1. Top gear mph/1,000 rpm 19.3 |
Suspension: ifs,
upper and lower transverse arms, hydropneumatic units, anti-roll bar.
Rear, independent, trailing arms, hydropneumatic units, anti-roll bar.
Steering: rack and pinion; VariPower (power assisted) |
Brakes: Dual circuit, hydraulic
servo. 10.2 in front discs, 8.6 in rear discs |
Dimensions: Wheelbase
9ft 4in (284cm); front track 4ft 10in (147cm); rear track 4ft 5 1/2in
(136cm) Overall length 15ft 1in (460cm) width 5ft 8in (173cm) height
4ft 5.5in (136cm) Turning circle 35ft 6in (10.8m) Unladen weight
3,140lb (1,426kg) Max payload 1,034lb (470kg) |
Others: tyres 185-14 (front)
175-14 (rear) 5 1/2in rims Fuel 15 galls (68 litres); warranty 6 mths
unltd mileage |
Consumption |
Overall mpg: 33.5 mpg (8.4
litres per 100 km) |
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Maximum speeds |
Gear |
mph
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kph
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rpm
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Top (mean) |
89
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143
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4,600
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Top (best) |
90
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145
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4,650
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3rd |
66
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106
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4,850
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2nd |
42
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68
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5,000
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1st |
24
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42
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5,000
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Acceleration |
True mph |
Time
(sec)
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Speedo mph
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30 |
5.9
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32
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40 |
9.3
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43
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50 |
14.6
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53
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60 |
20.8
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63
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70 |
30.8
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74
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80 |
50.8
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84
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90 |
-
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96
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Standing 1/4 mile |
21.9 sec |
61 mph |
Standing kilometre |
40.7 sec |
74 mph |
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mph |
Top
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3rd
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2nd
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10-30 |
-
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9.4
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5.6
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20-40 |
14.2
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9.2
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6.2
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30-50 |
14.7
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9.6
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40-60 |
22.4
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11.4
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-
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50-70 |
29.3
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-
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-
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60-80 |
30.1
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Cost of
ownership
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CONSUMABLE ITEMS |
Life (miles) |
Unit cost (£) |
Cost per 12,000 miles (£) |
Fuel: Derv (gallon) |
33.5 |
0.82 |
293.73 |
Oil: topping up
between changes |
800 |
0.42 |
6.30 |
Brakes: |
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Front pads (Unit cost = set of 4) |
20,000 |
15.65 |
9.39 |
Rear pads (Unit cost = set of 4) |
20,000 |
10.69 |
6.41 |
Tyres: Michelin XAS |
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Front pair |
35,000 |
47.00 |
32.26 |
Rear pair |
70,000 |
47.00 |
16.13 |
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SERVICE and REPAIRS |
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Recommended charges for service at £5.50 per hour
(labour only) |
3,000 miles |
£2.75 |
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6,000 miles |
£12.92 |
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12,000 miles |
£25.85 |
Service costs incurred with our car in past
12,000 miles (inc oil and materials) |
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£41.52 |
Repair costs incurred |
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£47.13 |
Total maintenance costs incurred |
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£88.65 |
STANDING CHARGES per year |
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Insurance (see note) |
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Tax |
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£87.85 |
Depreciation |
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Cost of our car when new |
£4,699 |
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Its estimated value today |
£3,200 |
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Decline in value over nine months |
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£1,499 |
SUMMARY |
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Total running costs (consumable items plus
Service and Repairs) |
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£452.87 |
Total standing charges |
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£1,636.85 |
Grand Total |
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£2,089.72 |
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Cost per mile |
17.4p |
Note: To
put all our cars on equal footing for insurance costs, the figure given
above is a typical quotation for a 'good risk' driver - with clean
record and car garaged in Oxfordshire, a 'middle range' risk area. Full
ncb has been deducted, as has the saving for £25 excess. The figure
given is the middle one of five quotations ranging from £85 to £91.
Source Quotel Motor Insurance Service. |
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