Ask Honest John

Most recently answered ride comfort questions
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?
My Skoda Superb SE is spoiled by hard ride on 17-inch wheels with 225/45 tyres. I've been advised to go for 225/50 tyres. Is this a good idea?
I have to buy a new car for work. I currently drive an Audi A3 (I have covered 106,000 miles in the last three and a half years), but suffer back problems and find the car uncomfortable. I am only getting...
My son is considering buying a 2009/10 Jaguar XK 5.0-litre Portfolio. Do you have any comments positive or negative about this car or would you recommend some other make and model in preference?
Is it feasible to change the wheels and tyres from the standard 6.5 x 16 running 195/45s to the base models 5.5 x 14 running 175 x 65s? If so, will I have to have the engine remapped and will there be...
I'm currently driving a 2005 Renault Megane Dynamique, but I'd like to upgrade to something a bit more suitable. I had spinal surgery last year resulting in a neurological condition, so I need a spacious...
I have a 2006 aluminium Jaguar XK4.2 on 19-inch rims fitted with Dunlop 'Sport' 245/40 ZR19 front and 275/35 ZR19 rears. Could you please recommend the best combination of rim diameter and tyre choice...
I shall soon be changing my six-year-old Mercedes-Benz A180 and was wondering if you could suggest a few options. My main criteria are for low CO2 emissions, good fuel economy and excellent comfort, plus...
I have a 2011 Honda CR-V EX on 18 inch wheels the ride is not as good as I had hoped. Would 17 inch wheels improve the ride and what tyres would you recommend for mostly road use?
On my regular commute from Le Havre to Barcelona in the 1980s I suffered pain in the sciatic nerve. Eventually, after trying everything, I took my wallet from the right hip pocket and thereafter my XJ6...
 

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