Know what every journey costs — before you set off.
Type your number plate. PetrolWise pulls your car's DVLA-verified details, checks live pump prices at UK stations, and tells you what any journey will cost in petrol or diesel — then keeps the HMRC-ready mileage record for you.
One email when the app goes live, plus the launch offer. No spam, ever.
Built for UK drivers who count the cost
Your car from your reg plate
DVLA-verified make, fuel type, engine and year, with a real-world MPG you can fine-tune. No forms.
Live pump prices near you
Station list and map with today's petrol and diesel prices, the local average, and the cheapest station flagged.
True journey cost
Pick a destination and see the fuel cost of the trip — your car, your MPG, today's prices. One way or return.
Price-drop alerts
On-device alerts when pump prices fall near you, so you fill up on the right day.
HMRC-ready mileage log
Every journey recorded with business/personal split. Export a clean PDF or spreadsheet for the new 55p-a-mile claims.
Best time to fill
Local price-trend guidance that tells you whether to fill up today or wait.
Spending dashboard
Fuel spend, miles, and cost per mile across the month and the tax year — know your numbers.
Tax-year exports
Full trip history with tax-year CSV export, ready for your accountant or your Self Assessment records.
How it works
DVLA lookup fills in your car's verified details in seconds.
Start and destination — PetrolWise finds live prices near you or along the route.
A clear fuel cost for the trip before you drive it.
Business trips build an HMRC-ready log automatically.