Ask Honest John

Most recently answered fuel prices questions
I have an MG HS PHEV. With energy prices being as high as they are right now, is it best to use it on electric power on a daily basis or will it be cheaper to run the car on petrol only?
Now that we have a £2,500 energy price guarantee will it still be cheaper to charge up my plug-in hybrid electric vehicle (PHEV) or will it be cheaper to buy petrol?
I drive a BMW M2 Competition and from new I have endeavoured to use BP Ultimate. On 17 March I filled up at my local BP and paid £1.739 per litre. I again filled up at the same location on 24 March,...
What is the profit per litre of petrol and diesel at today's prices on the forecourt?
We are considering buying a new car. Would you advise petrol or diesel as we understand the residual value of diesel cars will drop considerably and come the November budget road tax, diesel prices will...
I notice that Shell V-Power unleaded at 99 RON octane is now sold at a 9p per litre premium at my local garage, compared to standard Shell unleaded 95 RON octane. Tesco's momentum 99 RON is at 5p per litre...
I had a Vauxhall Antara and have had an intermittent problem with my fuel gauge dropping off occasionally to read empty even if the tank is full. Unfortunately, now on start up the gauge reads just over...
hi John i have a polo classic 2002 1.6i i want to know my petrol gauges never show me the right amount of petrol in my car when i start the cat the needled will show full but then it half while driving...
I've seen you recommend V-Power fuel multiple times and seen the reasons why - but I've always been told that if a car is regularly run on a lower grade of fuel (for example always supermarket fuel) then...
My Ford Focus has started stuttering. I put fresh diesel in a week ago, thinking that maybe it was the diesel that I had put in previous week, it normally does the stutter when I am in either 4 or 5th...
 

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