Ask Honest John

Most recently answered wheels and tyres questions
I brought an approved used BMW last month. It is still under manufacturer's warranty. When I washed the 442M Diamond Cut alloy using a pH neutral wash some white residue marks appeared as I dried it. The...
Any idea if I can fit 16-inch rims on a 2004 Toyota Celica? It has 17-inch rims at the moment.
Will replacing low profile tyres with standards help reduce in-car road noise and/or improve ride comfort?
Our 12 year old Audi A3 2.0 TDI Sportback has done 100,000 miles, so will be going, and we need a third car to back up our Ford S-Max 2.0 Ecoboost and Porsche Cayman GTS. The front runner is a Mazda 3...
I would like to buy a Mercedes-Benz AMG estate, 2014 onwards. Which model would you recommend in petrol?
I'm about to change from a 2006 Skoda Fabia with 185/60 R14 tyres to a 2016 Skoda Fabia with 215/45 R16 tyres. Is the ride comfort likely to be much different and will they last longer?
I'm considering buying a Mercedes-Benz E-Class Estate 220 D AMG line which has run flat tyres on 19-inch rims as standard. Do I have to keep the run flats or can I replace them with ordinary tyres and...
The 2006-2011 Toyota Yaris 1.33 has a VED price of £30 per year whereas the 2011 Yaris with the same 1.33 engine, according to dealers, is £110 per year. Do you know why the reason is this?
What car would you recommend for 25,000 miles a year, mainly motorway driving? I have had Audi and Mercedes-Benz in the past but found that the rate they go through tyres makes them too expensive. I intend...
We own a 2014 Renault Clio Dynamique 0.9 TCe. Over the last 18 months we've had three tyre sensors replaced (under warranty) due to a slow leak in the actual sensor body. We've now had another slow leaking...