UK Road Fuel Cost Estimator
Cardiff → London
How much petrol or diesel does it cost to drive from Cardiff to London? Breakdown by vehicle type using today's United Kingdom fuel prices, updated from the datasource.
Go beyond fuel estimates. Run your whole fleet.
Fuel & Route Planning
No credit card required
Fuel Cost by Vehicle Type
Select your vehicle to see the detailed fuel breakdown for this route. Prices as of 18 May 2026.
Monthly Fleet Fuel Cost
Running this route regularly? Estimated one-way fuel cost per month, by trip frequency. Figures use primary fuel for each vehicle type (toll excluded).
| Vehicle | 1×/month | 5×/month | 10×/month | 22×/month |
|---|---|---|---|---|
Motorcycle Petrol | GBP 10 | GBP 50 | GBP 100 | GBP 219 |
Car / SUV Petrol | GBP 33 | GBP 166 | GBP 332 | GBP 730 |
Van / MPV Diesel | GBP 52 | GBP 262 | GBP 524 | GBP 1,154 |
Lorry Diesel | GBP 94 | GBP 472 | GBP 944 | GBP 2,077 |
Add GBP 0.00 toll per one-way trip to get total trip cost per journey.
Full Fuel Cost Comparison
All vehicle types × all fuel types for this route.
| Vehicle | km/L | Petrol | Diesel | Fuel + Toll |
|---|---|---|---|---|
| Motorcycle | 40 | GBP 9.95 | — | GBP 9.95 |
| Car / SUV | 12 | GBP 33.18 | — | GBP 33.18 |
| Van / MPV | 9 | GBP 44.24 | GBP 52.44 | GBP 52.44 |
| Lorry | 5 | — | GBP 94.40 | GBP 94.40 |
"Fuel + Toll" uses the primary fuel type for each vehicle. Toll is one-way estimate.
Today's Fuel Prices in United Kingdom
GOV.UK weekly road fuel prices used in all calculations above
Last updated: 18 May 2026. Prices are sourced from GOV.UK weekly road fuel prices.
Customise Your Cost Estimate
Adjust mileage, fuel type, and trip frequency to match your actual vehicle and schedule.
Your estimate
No credit card required
Product demos
See Lynxo in action
Common Questions: Cardiff to London
How far is Cardiff to London?
The highway distance from Cardiff to London is approximately 253 km. The estimated driving time is 3h 22m under normal highway conditions.
How much petrol does a car use from Cardiff to London?
A typical car with 12 km/L mileage uses approximately 21.1 litres of petrol. At today's Petrol price (GBP 1.57/L), that costs GBP 33.18.
How much does a lorry spend on diesel from Cardiff to London?
A lorry averaging 5 km/L needs about 50.6 litres of diesel for this route. At GBP 1.87/L, the fuel cost is GBP 94.40 one-way.
What is the toll charge from Cardiff to London?
The estimated one-way toll on this highway route is approximately GBP 0.00. Most UK road charges are limited to specific crossings, bridges, tunnels, or the M6 Toll. This rollout keeps the route-level baseline at zero and links the official charge pages for the main tolled corridors.
How much does a motorcycle spend on fuel from Cardiff to London?
A motorcycle averaging 40 km/L uses about 6.3 litres. At today's Petrol price, that's GBP 9.95, making it the most fuel-efficient option for this route.
What is the total cost (fuel + toll) for a delivery van on this route?
A delivery van using diesel at 9 km/L needs 28.1 litres, costing GBP 52.44 in fuel. Add the GBP 0.00 toll for a total one-way cost of approximately GBP 52.44.
Related Routes
Other common routes in United Kingdom with full fuel cost breakdowns
For Fleet Operators
Managing a fleet? Track fuel costs across all your routes.
Lynxo helps logistics companies and delivery operations plan routes, track drivers, and monitor per-trip costs, so every route cost is accounted for.
Also explore: Courier management · Last-mile delivery · Delivery management · GPS tracking