volvo MPG comparison
 

 

Petrol v Diesel - Is it worth it ?

Typically diesel cars cost more than the petrol equivalent. People are tending to buy diesels as they are a more
fuel efficient engine. But does paying extra for the car in the first place mean they are a false economy ?

The short answer is probably!

Now working out the true running cost of a car is a complex task , here our aim to provide some simple examples to help you make your own mind up.
(see the bottom of this page for the formula we used and how you can use this to make the calculations yourself)
But its pretty simple really, the more mileage you drive the more you will save on fuel costs. So anyone driving a fair amount of miles each year would
be best advised to get a diesel. If you use your car for short trips to the shops and short school run then it is going to take alot longer to recoup the extra money laid at for a diesel model. At the end of the day its upto you to make an informed decision and this site just aims to help you try
and work that out for yourself.

Example 1 .

Audi A4 Saloon - A 12,000 mile a year driver will be saving around 49 pounds a month having a diesel over a petrol model at the pumps.
The Car will will likely have cost 1480 pound extra for the diesel model. This extra would be recouped in 2.5 years of driving

Car Model
Year
Parkers Price
Avg MPG
Audi A4 Saloon 1.8T Petrol (163 bhp)
2002
3895
34
Audi A4 Saloon 1.9Tdi (130 bhp)
2002
5375
50

Fuel Costs per Year

Annual Mileage
Petrol Cost
Diesel Cost
Annual Saving
3000
468
318
149
6000
937
637
299
10000
1562
1062
499
12000
1874
1274
599
20000
3124
2124
999

 

Example 2.

Ford Focus - A 12,000 mile a year driver will be saving around 41 pounds a month having a diesel over a petrol model at the pumps.
The Car will will likely have cost 180 pound extra for the diesel model. This extra would be recouped in under 5 months of driving

Car Model
Year
Parkers Price
Avg MPG
Ford Focus 1.8 LX
2004
3540
37
Ford Focus 1.8 LX
2004
3720
52

Fuel Costs per year

Annual Mileage
Petrol Cost
Diesel Cost
Annual Saving
3000
430
306
124
6000
861
612
248
10000
1435
1021
414
12000
1722
1225
496
20000
2871
2043
828

 

How We Calculated

Annual fuel bill = mileage / MPG in Litres * Cost of fuel in litres

we based our figures on a fuel price of £1.17 a litre for both diesel and petrol

Search for more info
 

Fast MPG
Fast MPG

See our list of cars that are both fuel efficient and fast.
Using manufacturers figures for combined MPG and 0-60 we compile our list of great best of both world cars.

Fuel Economy Figures

What MPG forum
Wheres my Car ?

If you cannot see the Fuel figure for your car here please post a WANTED on our Forum and we will get back to you.

Fuel Economy Figures

Real World MPG fuel economy figures
Whats Your
MPG ?

Please enter your real world MPG information into our database.
Over 3000 people have already so please join them and keep our database the best on the internet.

Tell us your Real World MPG

Whats your MPG Real world MPG database
Top MPG

See our list of the 12 most fuel efficent new cars that that you can buy today. This includes the performance figures and a short description of each car.

Fuel Economy Figures