How to find the cheapest local petrol and diesel prices and offers

Updated on 04 October 2017

Asda, Sainsbury's, Morrisons and Tesco will be slashing unleaded fuel prices by up to 2p per litre from tomorrow (5 October).

Jump on the supermarket price wars

Asda has sparked yet another fuel price war.

The supermarket announced that it will cut prices by up to 2p per litre on unleaded fuel from tomorrow (Thursday 5 October), attributing cuts to a fall in wholesale unleaded fuel prices.

The move will mean motorists will pay no more than 113.7p per litre on unleaded and 116.7p per litre on diesel across the supermarket’s 308 filling stations. 

Sainsbury's, Morrisons and Tesco have followed suit, cutting up to 2p off the price of unleaded from 5 October.

RAC fuel spokesman Simon Williams said: “A day after we called for a price cut it’s encouraging to see the supermarkets have responded by taking 2p off a litre of unleaded.

"Despite a similar cut in late September, the conditions have been right for a further reduction for nearly two weeks so it’s a shame in the interests of price transparency this hasn’t come sooner.

“What motorists need now is for every petrol retailer, large and small, to do the same to bring down the average price from 119p a litre to 117p. Looking at the wholesale petrol market there are good signs that prices could go lower still.”

Do your research before filling up

While reductions are always welcome, you still need to check you're getting a good deal before rushing to fill up.

To help make sure you keep costs to a minimum every time, we’ve put together this guide filled with brilliant tips.

Find the cheapest local petrol or diesel price

The price you pay at the pumps will vary depending on where you live.

According to the most recent figures from the AA, the average price of a litre of unleaded risen 3.3p from 116.5p per litre to 119.8p per litre while diesel prices have risen 3.1p from 117.4p per litre to 120.5p per litre.

The price difference between diesel and unleaded has fallen to 0.7p/litre.

How to find the cheapest local petrol and diesel prices and offersAnd these are just the average prices: there are far greater variations depending on which specific fuel station you choose to fill up at.

Make sure you do your homework to find the cheapest station in your area. 

You can do this easily enough by entering your postcode on and comparing prices nearby.

Petrol station loyalty cards

Various petrol stations offer loyalty cards, which can help you save on the cost of filling up.

For example, Texaco operates the Star Rewards scheme. You get one point for every litre of petrol or diesel that you buy. Once you hit 500 points, you can turn that into a £5 voucher to use the next time you fill the car. You'll get 50 bonus points for signing up, getting you well on the way to the 500-point mark.

Alternatively, you can convert those points into vouchers for retailers including Argos and Marks & Spencer.

Shell operates a similar scheme called Shell Drivers Club where you get one point for every litre of Shell Regular Diesel, Shell Regular Unleaded and Shell Autogas LPG or two points for every litre of V-Power Nitro+.

Further points can be earned when you spend in the service station, or if you get your car washed. You can then convert 500 points into a £2.50 voucher.

Pay with the right credit card

Using the right credit card to pay for your fuel is also an easy way to save cash.

 How to find the cheapest local petrol and diesel prices and offersThe ASDA Cashback Plus Credit Card will give you 2% cashback on fuel purchased at ASDA (as well as on all ASDA shopping). However, there's a £36 annual fee to consider.

As always with cashback cards, only use them if you can pay off your debt in full each month, or the interest you rack up will far outweigh the benefits.

Compare more cashback credit cards on loveMONEY

Improve your car's fuel efficiency!

The final way to ensure that you pay as little for your petrol and diesel every time you fill up is to make your fuel go further.

Here are some simple things that the motoring experts at WhatCar? recommend doing to improve your fuel efficiency.

Remove excess weight

Take those bulky items out if you don’t need them – if the baby is staying at home, so can their buggy!

Reduce dragHow to find the cheapest local petrol and diesel prices and offers

Things like bike racks and roof boxes add extra wind resistance, so your car has to work harder. If you aren’t using them, take them off.

Look after your car

Get your car serviced regularly and pump up your tyres. Look after your car, and it will look after your bank balance.

Plan your journey

Work out your route before you head off. That way you won’t end up driving further than necessary, or get stuck in traffic.

Do you really need the air con on?

Unless you really need it, leave the air conditioning off. The same goes for all other electrical appliances in the car.

Be gentle

Be gentle with your gear changes and braking.

Engine stop/start

Some modern cars are fitted with engine stop-start technology. Making the most of that, by taking your foot off the clutch when you are stationary, will help you save fuel.

Don’t speed

WhatCar? research suggests that driving at 80mph uses up to 25% more fuel than going at 70mph.


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