Ask Honest John

Most recently answered fuel economy questions
I drive a 2010 Audi A4 Avant 3.2 which is superb and is the fourth car I've had with the VR6 engine. I'm heading for semi-retirement so wondering whether to keep it or look for something cheaper to run?...
We currently have a Lexus RX 400h, but the kids have left home and we now want to downgrade to a smaller car with lower costs. We need it to be reliable, automatic and have fog lights as a minumum. Cruise...
We currently have a Honda Civic but are expecting our second child soon so are looking for something a little bigger. Our main criteria are: - Under £18,000 - Good MPG (50+) - Low road tax - More...
I am looking to buy a nearly new car. It will primarily be used for commuting around 16,000 miles/year, mainly on good rural A roads. Ideally, I’d like a diesel that is comfortable, reliable and economical....
Following your advice, I filled up with Super Unleaded and was slightly disappointed to find I only got an extra 20 miles out of my 40-litre tank. I have filled up a second time, this time with Shell V-Power,...
What is the best petrol for economy and performance for my Audi Q3 2.0 TFSI Quattro? Is it Shell, BP, Texaco or Esso? Should I buy a "super" petrol e.g. Shell V-Power or other suppliers equivalents?
We are a family of 2 adults and 2 teenagers searching for a compact MPV. Prefer petrol automatic as we only do around 8000 miles a year. Thought about Peugeot 5008 but prefer Japanese reliability, but...
I'm looking for a new small or medium petrol automatic with 4/5 doors. I do about 10,000 miles per year, mostly made up by a daily 40 mile round trip commute, two thirds of which is motorway. I like...
I have a budget of about £12k and am torn between buying a used Seat Leon 1.6 TDI SE and the Hyundai i30 1.6CRDI. I would use it to travel about 20,000 miles a year so must have a diesel. What do you suggest?
I am looking to buy a small car with good fuel economy. I've narrowed down my choice to the Koa Rio and Ford Fiesta, which would you buy?