Poor fuel economy in my 2002 Fiesta Diesel

I commute to London 3 times a week and it's a 220 mile round trip, 90% of my trip is on motorways and I never go above 70mph. Now I know my car isn't new but I cant get over 40mpg. Is this acceptable for...

What small car for long economical runs?

What small/ medium 3 year old car/ mpv will achieve 30 mph per 1000 rpm in top gear? Anything from Ford Ka to Focus in size.

I can endorse your recommendation for Shell V-Power fuel.

I usually put manufacturers' advertising claims down to empty rhetoric designed to do little other than shift a possibly indifferent product. As a user of Shell V-Power petrol, I am aware of their heavily...

Turbocharged car or horse?

I've noticed that today, most mid to large petrol cars now have turbo assistance for better fuel economy. I need such a car to replace my Mondeo, but would I encounter problems with an annual mileage of...

Fuel economy is disappointing.

I have just bought a brand new Hyundai i20 1.1 75PS Active. The marketing documentation claims that the car will achieve 61.4 mpg (urban) 83.1 mpg (extra urban) or 74.3 (combined). If the car does not...

Why does coasting downhill use more fuel than staying in gear?

The leaflets sent out with tax disc renewal notices headed “Be a smarter driver and save money” give the advice “Stay in Gear. Don't coast downhill or towards lights in neutral as this uses more fuel.”...

What is your opinion on the Dacia Duster?

We currently own a Hyundai Matrix automatic which is two and a half years old with 19,000 miles. Since we both appreciate relatively high seating we thought this was an appropriate vehicle for us. Unfortunately...

Why doesn't my Audi A4 return its quoted mpg figure?

My new company car is a 2012 Audi A4 TDI 136 and I am extremely disappointed with the fuel economy. The book states that the car should achieve 65.7mpg on the combined cycle, whereas my long term average...

Are manufacturer's quoted mpg figures accurate?

I recently bought a 1.4 Vauxhall Meriva which ticked all my boxes, including a miles per gallon claim of 47. Having tested it over the first 1500 miles of mixed journeys I only achieved 37mpg. I went to...

Computer mpg versus calculations?

On a 407 mile round trip, tankful to tankful, mostly cruising at 80+ the car burned 36.07 ltr, equating to 51.3mpg. The trip computer stated 59.1 mpg, over 13% difference. Is this level of metering inaccuracy...