Ask Honest John

Most recently answered fuel economy questions
I need to buy a new car that’s reliable and cheap to run. I’ve narrowed down my search to the Hyundai i20 1.25 manual and the Seat Ibiza Reference 1.4 manual, which would you choose?
Your colleague James Foxall's final quip the other week referred to several friends who were very pleased (financially) that they ran on LPG. I met a man filling up with gas earlier this week and he said...
My wife has a 2002 silver Mk IV Volkswagen Golf GTi 150 in good order. It has 39,000 miles on the clock. It has never done better than 35mpg. We are now considering a bright red Mk V GT or GTI Golf. I'd...
I sold my Golf once it was repaired and replaced it with Ford Focus 125 Ecoboost, which is really nice to drive. I see the real world MPG for this car does look a little disappointing but I'm soon going...
I am in the process of selling my Focus, as my Mercedes-Benz does as many MPG as it and is a much better car. Ford should hang Its head in shame advertising such a high MPG. They must use some very dodgy...
I want to buy an economical small car. Ideally, it will be second hand and offer good mpg, as I drive 66 miles every day. It will need to have good legroom and be able to carry three adults comfortably....
I am searching for a used car for £7000. I commute 40-miles every day on national speed limit moorland roads and urban 30-40mph roads. All have a broken road surface and the closer to work I am, the more...
We are now considering a diesel, using a Scenic for longer journeys and our Yaris for shorter ones. Have you driven the Scenic 1.5 or 1.6 diesels? Also I have noticed that the real MPG for these is extremely...
Years ago I read your views on using high quality fuel. Since then I have always used Shell V-Power in my now quite ancient 1998 R-plate Vectra V6 2.5. The car has been trouble-free and continues to perform...
Wouldn’t it make sense for manufacturers and dealers to quote fuel consumption in miles per litre rather than miles per gallon?