Is it really worth driving
for cheaper fuel?
Enter your number plate. We'll look up your car, find real live prices nearby, and tell you the exact net saving — or loss — for every station.
Vehicle data from the DVLA · Live prices from the UK Government Fuel Finder API · No account required
37,000+
UK stations tracked
Updated hourly
via Gov.uk Fuel Finder
100% free
no account needed
DVLA verified
vehicle lookup
How WorthThePump works
Other apps show you the cheapest station. We tell you if driving there actually saves you money.
Step 01
Enter your reg
We look up your vehicle via the DVLA and derive your real-world MPG automatically.
Step 02
Confirm & search
Choose your fill amount and search radius. We find live prices from every nearby station.
Step 03
See your saving
Green pins are worth the trip. Red pins are false economies. Your exact net saving in £.
Why the difference matters
THE PROBLEM
Asda shows 177.9p/L. Shell shows 199.9p/L. That's 22p cheaper. For a 45L fill that's £9.90 saved — or is it?
THE REALITY
If Asda is 4 miles away in a 40 MPG car, you burn 0.2 gallons extra = £0.64 in fuel for the detour. Net saving: £9.26 ✅
WorthThePump runs this calculation for every station in your radius — factoring in your car's real-world MPG.
Frequently asked questions
How far is it worth driving for cheaper fuel?
It depends on your car's MPG and the price difference. In a 40 MPG car, saving 10p/L on a 45L fill has a break-even of about 12 miles round trip. WorthThePump calculates this precisely for every station.
Where does WorthThePump get its fuel prices?
From the UK Government Fuel Finder API — the official real-time price database mandated by the Competition and Markets Authority in 2024. Prices are updated hourly and cover every major UK retailer.
Does my car's MPG affect the saving?
Significantly. A 60 MPG diesel makes a detour far cheaper than a 25 MPG SUV. That's why WorthThePump looks up your car's real MPG via the DVLA — not a guess.
Is supermarket fuel worse for my engine?
No. All UK petrol must meet the EN228 standard, whether sold by Asda or Shell. The only real difference is premium fuel grades (V-Power, Ultimate) which contain additional cleaning additives — but standard supermarket fuel is chemically identical to standard branded fuel.
Do I need to create an account?
No. WorthThePump is completely free and anonymous. No sign-up, no email, no tracking. Your registration plate is never stored.
What vehicles are supported?
All petrol, diesel, and hybrid vehicles registered in the UK. Hybrid vehicles are resolved to their pump fuel type. Full electric vehicles (EVs) aren't supported as they don't use pump fuel.