Ask Honest John

Most recently answered fuel economy questions
I noticed advice in a recent article on ‘green’ driving to keep in as high a gear as possible (or comfortable). On my recent IAM course I was told not to go above third gear wherever there was a 30mph...
I am deciding on a Company Car and have narrowed the choices down to a Toyota Prius and a Golf Bluemotion. The Golf costs slightly more in relation to BIK, but both fit my budget. I feel that the Golf's...
We are a retired couple living in London and spending half the year at our house in SW France. We’ve owned a fully loaded Volvo V70 T5 (02) since new in 2002, which we’ve used over the years to transport...
I work as a ghillie and drive down a wee bit of a rough track each day. I need a 4x4, question is which one(second hand)? I also want good fuel consumption and a lot of space for fishing tackle and the...
I saw a Sept 2010 used approved Mercedes E-Class 350 CDI estate, 11,000 miles with panoramic roof and many extras for sale for £34,900 on the web. I phoned the dealer and put £1,000 deposit down over...
I am an OAP and the ever increasing cost of fuel is a concern to me. I have read various articles on ECU re-mapping devices, all of which claim to enhance fuel consumption and performance. Some guarantee...
From your info the "real" mpg of the i10 is well below claims. My new i10 1.2 achieves 42 mpg on open rural roads, few stops but short (flat) journeys of 5-10 miles. Total mileage from new is only 1000....
I am in the process of buying a second hand car, my main objective is to purchase one that is cheap to run with good MPG and low road tax. At first I was looking at diesel cars as they seem to be more...
I have started filling my 2007 diesel Passat Estate (2.0 140ps) with Total Excellium - currently on my third fill, and have noticed a bit better pickup when 'flooring' the accelerator and it is also a...
Shortly after having our Hyundai i30 estate serviced we received an invitation on the garages letterheading for an additional ‘fuel efficiency’ service. (Unfortunately I threw the letter away in disgust...