Ask Honest John

Most recently answered wheels and tyres questions
You recommended that fitting 15-inch wheels on a new-shape Hyundai i30 solves the handling/steering complaints. I'm going to take your advice. But I was wondering how you arrived at your observation...
I have recently bought a 2008 Smart Cabrio. The best fun car I have had in 30 years! Would it be worth investing in a set of steels and running on winter tyres next winter? Or would a set of all season...
What would be the correct size tyres and rims if I want to replace my Kia Rio 17 inch 4 stud alloys with 15 inch items - and could you suggest where to get them from? I am told this would improve the...
I was running with a new set of Michelin Energy Saver+ tyres (done 3000 miles). Unfortunately the sidewall ruptured on one of my tyres and the garage mentioned it was not repairable. Hence I had to replace...
I am thinking of changing my steel wheels for alloys and have found some at a good price. My current wheel size is 185/65 R14, but the ones I have found are 185/60 R14, will these be OK to use?
My daughter is interested in buying a Range Rover Evoque. She has an R-registration Toyota RAV4 which she has enjoyed driving. She drives a round trip of 20 miles to work each day and uses her car for...
I have a Mondeo Ghia 2.5T with 18-inch wheels and am seriously considering wasting some of my children's inheritance by switching to 17-inch (plus tyres of course). My concern is that a Ford main dealer...
I am looking for a replacement for my 10-year-old Mercedes-Benz C Class CDI Estate, which has been a great car. The car I have been offered is a 5-month-old demonstrator as listed above for just under...
After 50 years driving, I have yet to find a tyre pressure gauge that is satisfactory to use. Often I find that I let so much air out trying to get the gauge to sit on the valve that I need to pump the...
My wife's X Type Estate loses air from all four tyres at a fairly rapid rate 10PSI in 3 weeks on one of them. I could understand a slow puncture in one tyre, or possibly two, but all four deflating at...