Ask Honest John

Most recently answered fuel economy questions
We have had a 56 reg Passat TDI140 for 4 1/2 Years and it's always averaged 45-48 mpg winter/summer and alway run really well. There has just been a recall to replace the injectors and we now find that...
When asking for submissions of MPG figures you state: "Work out your average fuel economy over the last month. You can do this from your trip computer consumption meter average, or you can do it on a...
What car would you recommend I buy to replace our Mitsubishi Shogun Pinin? I want similar ease of access that the Shogun provides (to help my back problems!) and would like a more economical vehicle. I...
I have recently bought a Ford Fusion Diesel 1.4. It's one owner with 46,000 miles. I am only getting 43mpg on a combination of motorway and commuting journeys. How can I improve this?
Just bought a Lexus IS220d and I'm very dissapointed with the mpg, I'm only getting 24 mpg, but the official Lexus site says 35 mpg urban 55 extra urban 45 combined. What could be the problem?
Thank you for your sterling work. I do huge numbers of motorway miles and nearly never drive through towns. Simply: What is the best car for MPG for motoways only? Also, will cruise control help MPG,...
We currently run a 2003 Ford Focus TDI which we have been reasonably happy with, some comfort issues apart. It has 108,000 miles on the clock and a few dents and scratches which we have not had fixed....
I have twice posted my real world fuel consumption figures to your site and on both occassions thay have subsequently disappeared. Why is this happening?
My wife currently runs a 2004 Volkswagen Polo 1.4 Twist. Her annual mileage is about 3000 - 4000 made up of fairly short journeys of up to 20 miles. She is always complaining about the fuel economy (currently...
About six weeks ago I took delivery of a new X3 2.0i diesel after a wait of over seven months. It's my first BMW. I thought you might be interested in a short report. 1) According to the dashboard readout,...