Ask Honest John

Most recently answered fuel economy questions
We have a new Ford Fiesta Ecoboost 100PS, but the fuel consumption is nowhere near what the stated mpg should be. We're getting barely 42mpg which is hardly any better than our prior, 2006 Ford Focus 1.6...
I am looking for a used small car that will be very cheap to run, with high mpg and a reliable (diesel preferable) engine. I do about 13,000 miles per year, 90% of the time on motorways and outside cities....
I will be retiring soon and will be handing back my company car which I use as a general run-around, I also have a family car, at the same time I have a Porsche Boxster S which I use in dry weather and...
Should I use cheap supermarket petrol or better quality branded fuel?
I am looking to buy an estate or SUV, budget around £7500. I do a daily commute of four miles each way and the regular trips of 500 miles round trip to see family. Can you recommend something which is...
Other than the increased octane rating, does Tesco Momentum U/L have any other advantages over their basic U/L and how does it compare with Shell Fuelsave U/L?
I currently own a 2005 plate (bought new) Vauxhall Meriva 1.4 Life (petrol, manual) and want to replace it with a new car in the next few months. I am considering another 1.4 or 1.6 Meriva, perhaps a higher...
I have recently changed my journey to work and wonder if I should change my car. I have a 2004 Toyota Yaris 1.3 auto (based on your previous recommendation for a much longer commute). Whilst the Yaris...
My wife has owned a Honda Jazz 1.4 from new for eight years and is looking for a replacement that is quieter, more comfortable and fuel efficient. The three contenders are the BMW 1 Series (petrol), Audi...
Retirement, along with other changes to my family and lifestyle, mean that I no longer need the carrying capacity - and neither do I cover the mileage - to justify my Vauxhall Zafira diesel. Time to downsize! I'm...