What is life like with your car? Let us know and win £500 in John Lewis vouchers | No thanks

Ask Honest John

Most recently answered premium fuels questions
I own a 2009 Hyundai i30 petrol 1.6 Estate (manual) bought from a Hyundai dealership in 2010. This car has been a likeable, reliable car to drive over the last 20,000 miles. However, more recently my wife...
The handbook in my Mercedes-Benz C-Class advises to use premium type unleaded petrol. However two other owners with similar cars say they use standard petrol. What should I use?
I have been reading with interest your advice on diesels having just taken delivery of my new company car a Mercedes-Benz E350 CDI. Like all diesels, it gets really upset if all I do is drive 1.5 miles...
I recently saw A Fifth Gear test on super fuels like Shell V Power. The conclusion was that benefits were minimal. Some forums also claim that any improvements are due to a placebo effect. You paid more...
I have a 1991 Volkswagen Scirocco GTll. At present I am filling my tank with Sainsbury's Super Unleaded and adding a Millers VSPe Power Plus fuel additive. I believe my car was converted before I bought...
I always find V-Power fuel to be really good on engine of all the fuels that I have used over the years. Does this mean using supermarket fuels result in less mpg due to higher RPM, more carbon deposits,...
I have a Mazda3 MPS 2009 and the fuel flap says use MIN 98RON but my supplying dealer - SG Petch - said 95 is fine. Forums suggest you'll lose some mpg & power with 95 but I am not too fussed about this,...
I read with interest your article headed "Shelling out on Fuel" and the comments regarding Texaco. Valero has maintained the Texaco brand and general infrastructure. Texaco supply Super Plus Unleaded (SPUL)...
I bought cheap fuel from same garage twice now. The first time, the car wouldn't start until the next day - when it ran also fine. Yesterday, I bought fuel from same garage - and today the car has no power,...
I have a 1999 Honda Civic 1.6-litre Aerodeck automatic. Can you please tell me if Shell V-Power works with automatics, and if so how long do you need to use it for it to take effect?