Ask Honest John

Most recently answered fuel economy questions
I currently drive a Mini Clubman Cooper D. I have liked the Mini’s economy and low road tax and would want at least as good, if not better economy from any new car. I do mainly short journeys but also...
I read with interest the letter from ‘MH’ with regard to older luxury cars being value for money. I purchased a 53 plate S-Type Jaguar, 4.2 V8 model for just less than £7000 about two years ago from ‘CarGiant’...
We are pensioners who currently drive a Clio Campus (last of the previous marque) that has been reliable, economical, comfortable and has a decent sized boot, but we now need to find a replacement. The...
I have had a Leon Ecomotive for a few month and i'm averaging 42mpg. SEAT can't see the problem and as far as they are concerned it's working perfectly but the mpg is 33 to 50% lower then their published...
I have a 2002 LX 1.8 TDCi Ford Focus. It goes well but any improvement in performance and economy would help in these expensive times. What is your take on fitting a diesel tuning chip on my motor? AS...
I currently have an 04 Ford Focus 1.6 Zetec - bit of an impulse buy last year and now finding it very costly to run. Insurance and Tax both high and as I do mainly town centre driving - bacically pottering...
My wife and I are downsizing from a Volkswagen Transporter to something more practical. We have a budget of about £8,000, and would like a large, fuel efficient hatchback which will retain its value, as...
I am now approaching the end of my driving days, but have decided to buy my last new car. My requirements include ease of access, good economy, low VED and extras including rear sensors, sunroof (not essential)...
The debate has started again as to whether using the air conditioning is more fuel-efficient than having the windows down. Which is correct?
It may be my imagination but there seems to be concerted effort from the media to discredit electric cars. It would come as a surprise to me if the mighty oil companies didn’t have some slight concern...