What evidence do you use to recommend premium fuels?

What evidence enables you to recommend certain fuels to your readers who are worried about supermarket fuels?

Asked on 13 October 2012 by RB, Sheffield

Answered by Honest John
80.2mpg in a BMW 3 Series diesel achieved over 252.5 miles on Shell Fuelsave. Total brim to brim average over 1,554 miles: 67.43mpg. Fiat 500 1.2 petrol: 49mpg over 17,400 miles on V-Power with no fuel system problems. Ford Focus 1.6TDCI 110: 55mpg over 8000 miles on BP Ultimate. Mazda 5 1.6d TS2: 50mpg over 11,000 miles on Shell Fuelsave.
Similar questions
I have an Hyundai Ioniq, which I've run exclusively on Shell fuels for the 5000 miles that I've had it. I was getting 60-62 mpg on the regular stuff, then put a tank of the V-Power in and got 64 mpg. I...
Assuming identical driving conditions, should similar miles-per-gallon be achieved no matter which fuel company's products are used? Have results been published of such tests being carried out, comparing...
I bought a 1999 Nissan Primera 2.0i automatic two years ago. It had 9000 genuine miles on the clock. The previous owner had ongoing health issues and the car was mostly off the road and stored in a garage....
Related models
Stylish and full of character. Really affordable to buy. Low running costs.
Refined and upmarket feel to the cabin. Comfortable and quiet on the move. More efficient petrol and diesel engines. Better ride quality. Excellent £750 Driver Assist Pack.
Family friendly seven seater. Sport has remote electric sliding side doors. Economical and light new 1.6 diesel. Compliant suspension astonishingly good on poor road surfaces.
Brilliant to drive, powerful and fuel-efficient engines, good interior space and practicality.
 

Value my car

Save £75 on Warranty using code HJ75

with MotorEasy

Get a warranty quote

Save 12% on GAP Insurance

Use HJ21 to save on an ALA policy

See offer