Ask Honest John

Most recently answered diesel cars questions
Do you recommend any diesel additives? My 2011 Nissan X-Trail 2.0l dCi has done 115,000 miles and is serviced every year but the mpg seems to be getting worse.
I need to replace my Ford Mondeo. What would you recommend? I like the size of Mondeo and the performance mid range of the 2.2-litre diesel suits my driving which is mainly country roads with occasional...
I need to replace my car. I do 35k miles a year all over the country, have a wife and two kids and a budget of £8000. I want something as economical and comfortable as possible, I am 6'2" . My current...
Is the Jaguar XF R-Sport (2016) a Ford or Jaguar engine?
I bought a Peugeot 3008 and a 2006 Hyundai Getz 1.1 I use for work. It's not the most comfortable car and as I'm not using the Peugeot as much as I've decided to sell both and get something down the middle....
I need a used car for £2,000 or less. Can you please tell me which petrol and diesel models have the best reliability within this type of budget?
I am on a tight budget and am looking for a diesel car which is reliable and economical for under £5,000. My yearly average mileage is around 28,000. What would you recommend?
There seem to be a bunch of claims out there about the best ways to get the water out of my diesel fuel tank. Can you recommend any?
I am looking to upgrade to a newer diesel hatchback. I have up to £9,000 to spend and have singled out the Toyota Auris 1.6, Vauxhall Astra 1.6 and Volkswagen Golf 1.6 (all diesel). The Auris is my number...
I have tried using premium diesel, in my 69 Reg Mercedes-Benz A-Class AMG Line Premium. It works out expensive compared to ordinary diesel, even after taking into account the marginal increase in MPG....