Is supermarket diesel as good as BP?

I run my Toyota Auris 1.6D on Sainsbury's diesel for two tanks and then two tanks of BP Ultimate. The car runs very well on both brands of fuel. I have been told that Sainsbury's fuel is supplied by BP...

Petrol Honda CR-V on urban commute - worth using premium fuel?

I drive a 2013 4WD Honda CR-V, with a 2.0 litre petrol engine (manual). My daily commute is 7 miles each way in urban / suburban traffic. I drive carefully for economy and have averaged 36mpg since purchase...

Premium fuel benefits?

Given your valid recommendations for V-Power fuels, would my Civic benefit from consistent use of V-Power (or similar) unleaded, or would regular 95-Ron prove as effective for economy and torque performance? Also,...

Would I benefit from higher-grade petrol?

I have driven a BMW E30 318i automatic from new which I had converted to run on unleaded petrol when leaded petrol was phased out. I currently always refuel with Esso Synergy 95 ron petrol. Would a 28...

Benefit of premium petrol?

I have often seen your endorsement of 97 Octane fuel as worth the extra cost. I have owned from new my loved 2002 Honda Legend. Recently I had the chance to test premium fuel on a long motorway return...

Could I have used contaminated fuel?

The day after filling up the tank and for the last two days have noticed a considerable drop in performance in my Volvo V70, with sluggish performance and a lagging speedometer and rev counter. It remains...

Should my son use Shell V-Power in his Audi R8?

My son has recently bought a Audi R8 and I have told him to use Shell V power. He seems reluctant to use it on the grounds that the fuel consumption is already poor without adding the extra cost of premium...

Can I use V-Power in my 2008 Audi TT?

I just scrapped my 22-year-old Audi 100 for a used approved 2008 Audi TT. The manual says it will run best on 98Ron petrol but that 95Ron can be used. I would like to do what's best but nobody makes 98Ron,...

Can I use high octane fuel in my 2002 Ford Focus?

The handbook for my July 2002 Ford Focus states there is no point in using petrol of a higher octane than 95. Presumably fuel constituents have changed considerably over the last 11 years. So is the handbook...

Is supermarket fuel inferior to petrol station fuel?

It was recently suggested to me that fuel obtained from supermarkets is inferior to that obtained from filling stations and service areas and is “diluted” in some way, resulting in lower performance and...