Ask Honest John

Most recently answered wheels and tyres questions
The 17-inch rims and 225/45 tyres on my Skoda Superb are giving me a hard ride. A tyre fitter has suggested replacing the tyres, when worn - soon, apparently - with 225/50 tyres on the same 17" wheels.
I have a 2012 Honda Civic 1.8ES VTEC fitted with Continental Primium 2 tyres. I would like to improve the driving and roadholding, if you could suggest a better type of tyre for my car.
My 2004 Nissan X-Trail 2.2 dCi Sport has run on Dunlop GT20 Grandtrek tyres for 125,000 miles since new; mostly on-road, but also off-road at times. I normally achieve 40-45,000 miles and it is now time...
The Nissan Note Acenta meets your criteria in many ways, yet does not get mentioned where it seems to be a good option. UK-built with a good reliability record, excellent cabin space and access, 65-profile...
I have just switched my 2008 Volvo XC70 wheels and tyres from standard 235/55 R17 to winter 215/65 R16. The difference and improvement is amazing. The ride is vastly improved, road noise reduced, steering...
I am told nitrogen filled tyres rarely need checking because they do not deflate like ordinary air filled tyres. Is this true? Is it worth paying to change to nitrogen?
My Volvo XC60 has 18in wheels with 235x60 R18 tyres. I want to fit winter tyres; would you recommend the same size or should I consider 17in wheels with 235x65 R17 tyres? Would the ride be much different...
My two BMW's with 19-inch alloys have experienced cracks on four of the wheels. This is a common problem which BMW continue to contest responsibility. The cracks are normally formed on the inside of the...
I've just bought a 2009/59 Mazda 6 SL with the 185bhp 2.2-litre diesel engine. It has 18-inch alloys. The handbook specifies 16, 17, or 18-inch. Which is best - and why?
Please can you tell me if it is okay to leave winter tyres on all year round? I have read that they out perform 'normal tyres' at below 7 degrees, but do they wear particularly quickly at higher temperature?...