Ask Honest John

Most recently answered fuel economy questions
I have driven my MG ZR for the past eight years and have enjoyed it but would like to pass it on to my grandsons. Can you give me some advice on a suitable replacement? Must be reliable with a decent size...
I am having to think about getting rid of my beloved Honda CR-V. It is now 14 years old and has been the best car I have ever owned. I bought it when it was three years old with 60,000 on the clock....
You mention in the current stats that newer cars fair worse on fuel economy compared to official figures - do you have the average drop for newer models from 2008?
You kindly answered my query earlier on which Toyota RAV-4 automatic is most economical but on your real mpg site you say that the 2.2 d4d auto will do 36.0 mpg. Whereas the recommended 2.0i valvematic...
We're preparing to sell our Renault Scenic (too big for a family of 3, too expensive) and after extensive internet searching have narrowed down our next car choice to either a Toyota Corolla (late '02-'07)...
My husband and I moved to the Suffolk countryside two years ago, and bought a 2007 Ford C-Max automatic (mileage on purchase: 7000). We already had, and still have, a 2005 Ford Focus automatic. We are...
I watched your video on the BMW F25 X3. At the time of making the video the more powerful 3.0-litre engine was not available. Do you have any comments on this more powerful engine? The salesman at BMW...
I always find V-Power fuel to be really good on engine of all the fuels that I have used over the years. Does this mean using supermarket fuels result in less mpg due to higher RPM, more carbon deposits,...
I'm tempted by a Volvo C30 or an S40 to do 8000-10,000 miles per year. But it has to be automatic. Pity they don't do a 1.8 or 2.0 petrol auto. The choice seems to narrow down to a 2.0D Powershitft or...
I've just bought a 2006 Panda Multijet. It replaced a Peugeot 106 1.5 Diesel. The peugeot was slightly bigger, a bit heavier, had an older design indirect injection mechanically controlled diesel, and...