Ask Honest John

Most recently answered fuel economy questions
I have a 2014 Skoda Superb Estate 2.0 TDI CR 170PS DSG, which I took delivery of in September 2014. Since then I have clocked up over 7000 miles and have averaged brim to brim 41mpg (worst 38 and best...
Have you had any feedback from owners of the new Peugeot 308 regarding fuel consumption? I have just taken delivery of an Allure 2.0 Blue HDI Automatic and for the first 1000 miles it has crept to an average...
Why is fuel consumptions so bad in automatics, compared to the manual versions? It appears to be worse with Kia/Hyundai/Ford, most with dual clutch boxes. VAG group cars and BMWs seem to roughly match...
I am looking to buy a used small car for around £5000 that will last me for some years to come. I would like the best value for money and would be much more interested in reliability, fuel efficiency,...
My elderly parents need a new car. They have £7000 to spend and want a decent car that will do 60mpg. They do mostly short journeys, so only an older diesel without a DPF may work. Or a newer petrol...
I'm based in London, and since moving here I've generally gotten away with riding a 50cc Vespa, but would now like to get myself a car so as to get out of town on the weekends (Cornwall, Cotswolds, etc..). My...
My family is looking to buy a car, either new or second hand. We are looking to find the most fuel-efficient model possible. The car will be driven by my mum and driven quite regularly but mostly on short...
I have purchased a 2005 Ford Focus 1.6 automatic. However, it uses lots of fuel and I'm getting about 21mpg. Is this normal? And if not, what could be causing it?
I recently replaced old "Event" tyres with new Michelin ones on my wife's 2006 Volkswagen Golf diesel. On a regular round trip of 120 miles, her on-board fuel consumption has gone from over 60mpg to below...
What octane petrol should a new Golf with the 1.4 turbo engine use? My previous mkV 1.6 FSI had to run on 98 after burning out a nox sensor on 95/97. Is this still an issue on the new Golf?