I've created a graph showing the long-term fuel economy figures for my Audi A6.

You ran an email on the usefulness and accuracy of official fuel economy figures, and mentioned you were adding the ability to log real life fuel consumption figures on your website. Like some of your...

Why is my Audi A5 using one litre of oil every 1000 miles? Should Audi contribute to the cost of the oil?

My Audi A5 used four litres of oil for the first 4,000 miles driven. I have been advised to ask for a replacement car and to try to get the Audi dealer to take mine back. How would you advise that I progress...

Intruder gained access to locked car

My daughter left her locked A3 (59 plate) outside her home in W London for 3 days while abroad. On her return and on getting into the car she immediately noticed the glove box contents on the floor and...

Does my 2005 Audi Avant require a cam belt change at 115,000 miles or at 75,000 miles?

I have a 2005 Audi Avant A4 2.0T petrol, having on your advice changed from diesels as I now do much less mileage. I have owned it for two and a half years and the service handbook indicates a cam belt...

Petrol or diesel?

I am looking to buy a second hand Audi A4 Avant or BMW 3 Series Touring. My budget is £8,000-£10,000, for which I expect to be able to buy an average mileage car from about 2005. It will be used for...

Bad vibrations

My Audi A3 Sport 1.9TDI has a vibration that appears to be coming through the whole car (not just the steering wheel) between the speeds of 55-65MPH. Wheel balancing has been checked to no avail, the...

Buying a car with 4WD

I am looking for a four-wheel-drive hatchback. It must have a manual gearbox, a petrol engine, 04/5 seats, max 5 to 8 years old. I have around £10,000 have looked at the Focus RS. It's a bit small so...

Split gearbox casing

I bought my 55 plate Audi A3 2.0FSI second hand from my local Audi Dealer at 50K miles. It's been serviced by them for the last 3 years and it's at 69K miles now. Good car. Recently the clutch started...

DPF - should I change to petrol?

My 2.0-litre TDI 170 6sp A4 has been perfect so far whilst commuting 20 miles each way. Now at three and a half years old and 41,000 miles my new commute will be only 3 miles each way. I would like to...

Replacing our Octavia

Please advise: When should we change an Octavia 2009 VRS CR estate with 25k miles, and for what? Superb estate, Passat, or an used A6? Best quality, reliability a priority, petrol or diesel? We do lots...