Ask Honest John

Most recently answered fuel economy questions
Having read numerous tales of woe regarding the performance of the Audi satnav system, I wondered if you have any further information. I'm not looking to purchase a BMW, as I prefer the Audi A4. So if...
What is the BMW model you have that gives you nearly 60mpg? This coming September I will have owned my Volvo C30 three years and have an option to hand the car back to Volvo at a fixed price (£10,800 as...
We acted on your advice when we bought our Citroen Picasso and have been very happy with it, but 175000 miles later it needs replacing. We do about 18000 miles a year, lots on country roads, motorways...
As almost all regular readers will know the quoted mpg figures bear little or no resemblance to real life. How do manufacturers arrive at figures for electric car mileage? Is it by a set formula and regulation...
I was always under the impression that new cars had better fuel consumption than older ones. I recently bought a new model (second hand) Honda Civic 1.8 ivtec ES auto having had the old model (same spec)...
Still driving a Yaris D4D 52 plate. My husband still would like something bigger. I like a higher driving position and low running costs, and ultra reliable.... We are going to test drive a 2008 Prius....
We are looking at changing from our disappointingly uneconomical Civic 2.2, which averages 38.4 MPG. We are thinking about one of the “Eco” super minis on the market, namely the: Toyota Yaris Hybrid Kia...
I can only get 55.8 mpg out of my BMW 1 Series after 2000 miles. Do you think it could get higher?
What are the general pros and cons of factory fitted LPG systems. For instance, do you get good mpg; does the engine wear faster, is the service schedule different; are they still filling the boot with...
What's a small reliable car with good mpg?