Ask Honest John

Most recently answered fuel economy questions
Many readers complain about the difference between published and actual MPG's. Until something better is developed, I think the current Euro test is good and as you always report should only be used for...
I have a BMW X1 2.0 diesel manual efficient dynamics model I have recently bought from a dealer. The official combined fuel consumption figure is 62.8 combined. I am driving it really carefully and changing...
I've had a Shogun for a couple of years and it’s been faultless as a family runabout. I love the size, the 4x4 capability, comfort and the fact that everything works perfectly and always has. However,...
I've been noticing frequent issues where I lose a slight amount of power, and my mpg drops by about 10mpg. I've noticed the engine takes around 10 minutes/7 miles (same journey every morning) to reach...
The fuel economy of my 2007 Audi A6 2.0TDI Avant Multitronic has always been poor from new at 34mpg, rising to 40 in mid 2011 and now having dropped steadily back to 33mpg. Most of my mileage consists...
I currently drive a 2006 Focus ST which I've owned for four years, and apart from a replacement alternator and door strap the only cost has been routine servicing. The car has now covered 53,000 miles....
We have had very satisfactory service from our Fiat Multipla JTD ELX which is now 10 years old, has covered over 140,000 miles and, although running well, should perhaps be replaced. We do about 12,000...
I'd like to buy a secondhand car not more than two years old, but I would consider new if I can get a good discount. I would also prefer a hatchback, but again would consider a small estate. Good fuel...
My second Xsara Picasso diesel will be three years old in late March. Sadly, they don't make it any longer and the other Citroen offerings either seem too big, too small or resemble a glazed van. What...
I am considering changing our second car for a small, cheap-to-run car with low tax. I would buy newish. A Fiat 500 or Mini Clubman both appeal, the Mini possibly as a diesel and the Fiat as a 1.2-litre...