Ask Honest John

Most recently answered wheels and tyres questions
I am a recent convert to your Q&As in the Telegraph. I have, on several occasions noted you commenting on alternative wheel sizes for specific cars. What factors are affected by the wheel size of a car?
We have a BMW 318d Touring with 225/45 R17 91V Continental Sport Contact 2 SSR runflat tyres. We want to fit winter tyres for a European trip this winter and similar trips in future. BMW has quoted £785...
Being a little older and having driven Volkswagen Passats over the last 10 years, we now want a slightly smaller car but with the same comfortable ride; however, the distributors I have spoken to tell...
A relative owns a 2009 Volkswagen Polo with an 'auto' box. At just 8,000 miles all four tyres are worn to such an extent as to need replacing. Most of the mileage has been on motorways. Any ideas?
I have recently acquired a 2007 BMW 118d SE Auto - the so-called ‘Efficient Dynamics’ version. Initial impressions are all positive: handling, performance, autobox, finish and particularly economy (45-50mpg)...
I know that you have frequently recommended the standard 16" wheels on the Abarth 500, but I didn't realise just how much better the car would be in comparison to the 17" upgrades. I recently bought a...
About a week ago, I checked my tyres and decided that the fronts would last another 3 to 4 months before changing. The wear was fairly even, and a good amount of tread remained. Last Saturday, I decided...
We have a 2006/56 Nissan X-Trail. Due to the weather last winter I am considering obtaining a set of winter tyres to suit the vehicle. Should I purchase a set of steel or aluminum rims? Then the tyres...
I've done the deal and bought a 2010 Mondeo Titanium 2.0TDCi Estate. It has come on 18" wheels with 235/40R18 tyres. Given your advice on tyre sizes previously I'm considering going down a size or two...
I have a Skoda Octavia 1.6FSI Ambiente estate manual. How effective are winter tyres over summer/all-season tyres in snow (if possible, in terms of percentage roughly)? I want to buy an extra set of wheels...