Ask Honest John

Most recently answered mpg questions
I run a Ford Mondeo 1.8 estate (Dec 2005). It has done 55,000 miles. I cover around 5,000 miles per year - much local but with 300 mile motorway journeys three or four times a year. I really like the car...
I am looking for a used small estate car or square ended hatchback which has good mpg which will not depreciate massively. I will drive the car 110 miles a day for my work commute so it need to be economical,...
I have received a flier for an ECU-remapping service claiming to improve fuel consumption by up to 20% - www.ecu-remapping-service.com. It is not cheap, about £250.00, but as I do 20,000 miles per year...
I am considering buying a Polo 1.2TDI (Not the BlueMotion). Is it chain-cam? I assume as a three cylinder diesel it is a little rough and noisy, but is there anything else against it as the mpg figures...
I can easily achieve 45-50mpg on my route to work each day in my Audi A4 2.0 TDI. It's a 16 mile trip, mainly on A-roads and motorways. I average 45mph on the A road with two islands & no stops and then...
I own a W Reg Vauxhall Astra 1.6 16v. Can you tell me how much fuel my car should use? What mpg should I expect in different situations?
My husband purchased a new Mazda 6 estate in November 2010. He previously owned a Honda Accord. Since buying it he has constantly complained of poor diesel consumption compared to the Honda & can hardly...
I am trying to go 'eco.' Better for the enviroment and better for my wallet. I currently drive a 2.0litre Hyundai Coupe which is far from green and loves petrol (I average about 28mpg). So was looking...
I am currently running a Vauxhall Astra 1.3 CDTi. It's on an 07-plate with 6,500 on the clock. I would like your advice on the following; 1) As my commute to work is very short I wonder if I should go...
I'm thinking of buying 1998 Range Rover 4.0L Dual Fuel. What questions should I ask and what things should I look out for? Are there any obvious problems or good points? What might be an alternative vehicle?...