Sedan, MPV, SUV
Car / SUV Fuel Cost: Cardiff → Swansea
Detailed fuel breakdown for a car / suv (Sedan, MPV, SUV) on the Cardiff–Swansea highway route. Prices as of 18 May 2026.
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Fuel Type Breakdown
One-way fuel cost by fuel type for this car / suv on the Cardiff–Swansea route.
Round Trip Cost
Cardiff → Swansea → Cardiff
Monthly Fuel Cost
Estimated monthly fuel spend for this car / suv running this route at different frequencies. Toll not included.
| Trips / month | Fuel cost | Fuel + toll est. GBP 0.00 toll/trip |
|---|---|---|
| 1×/month | GBP 9 | GBP 9 |
| 5×/month | GBP 43 | GBP 43 |
| 10×/month | GBP 87 | GBP 87 |
| 22×/month | GBP 190 | GBP 190 |
Common Questions: Car / SUV on Cardiff to Swansea
How much fuel does a car / suv use from Cardiff to Swansea?
A car / suv averaging 12 km/L uses approximately 5.5 litres of Petrol for this 66 km route.
What is the car / suv fuel cost from Cardiff to Swansea?
At today's Petrol price of GBP 1.57/L, the one-way fuel cost is GBP 8.66. Including the estimated GBP 0.00 toll, the total one-way trip cost is GBP 8.66.
What is the round trip fuel cost for a car / suv on this route?
A round trip from Cardiff to Swansea and back costs GBP 17.31 in fuel plus GBP 0.00 in toll, for a total of GBP 17.31.
How much does a car / suv spend monthly on the Cardiff–Swansea route?
Running this route 22 times per month (daily), a car / suv spends approximately GBP 190 on fuel alone. For 10 trips/month, that's GBP 87.
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