Ask Honest John

Most recently answered fuel economy questions
I own an R-reg Ford Galaxy GLX, 2-litre. I want something a little cheaper to run, as I do two one-and-a-half-hour school runs a day through town. Will the 1997 SEAT Alhambra diesel as a 1.9-litre be cheaper...
I 'm 6 feet 5 inches and currently drive a Ford Mondeo Ghia X 2.5 Estate S-reg. It meets my priority requirements; long legroom (with doubly adjustable steering wheel), cruise control, good performance...
In the Toyota Avensis pages (1999 to 2001 era) you state "Pre-2000 diesels pointless. Lost its 'smiley face' for 2000 model year." In the Carina E pages you state simply that this 2-litre diesel is 'nothing...
I believe that some time ago you published to way to work out your car's fuel efficiency (in litres/100km and also how to convert to miles per gallon). I have made a note of this and use the calculation...
Can anyone tell what the fuel consumption on my 1996 BMW 525i Touring estate should be? I am only getting 20mpg.
I am new to Audi but love our new A5 SB. A few thoughts. We have a 2.0T 180bhp petrol. We are getting 44.1mpg over 6000 miles, and on a recent 1000-mile mostly motorway trip, got 52.7mpg. I am the passenger...
We have to replace a much-loved and travelled S-reg Audi A6 2.5 TDI quattro and need a 4-wheel drive car - something good value, economical to run, roomy and comfortable. Perhaps a Honda CR-V, but any...
Do any of the current range of small-engined large cars - 1.6D in Citroen C5 or Volvo S80 or 1.4TSI in Passat or Superb - come close to matching the UK standard consumption figures in real-life usage?
I was interested to read that one of your readers was getting 62.9mpg from his 2002/52 Ford Fiesta diesel. We exchanged our 2002 Fiesta 1.4 diesel for a 2009/58 Fiesta1.4 Zetec TDCi four months ago. Our...
One year ago I part-exchanged a 2006 Citroen C3 for a new Citroen C3 1.6 HDi (April 2009) with the same engine. The previous 1.6 HDi engine gave me very good fuel economy, 60mpg with mixed driving and...