Toyota Prius Eco 2018 running costs in United States
Official U.S. EPA (fueleconomy.gov) figure for the 2018 Toyota Prius Eco: 56 mpg (US). At United States prices (US$1.08/L petrol), driving 12,000 miles a year costs about US$876 — US$0.05 per mile, priced on petrol (a plug-in hybrid also uses electricity, which is cheaper per km on home charging).
Official figures — 2018 Toyota Prius Eco
| Fuel type | Hybrid |
|---|---|
| Official consumption | 56.0 mpg (US) |
| Engine size | 1,800 cc |
| Configurations in source data | 1 |
| Data source | U.S. EPA (fueleconomy.gov) |
What it costs to run in United States
| Hybrid (56.0 mpg (US)) | US$876/year |
|---|---|
| state inspection | US$0.00/year |
| Estimated annual running cost | US$876/year ≈ US$73.04/month |
Assumes 12,000 miles a year and the current average United States prices shown above (BLS/FRED US city average regular, Jul 2026). Insurance is not included because it depends on your age, history and the policy — add it in the full ownership calculator. Servicing, tyres and repairs also vary by car and driver.
How it compares with other hybrid cars in United States
The average hybrid car in our United States dataset uses 10.2 L/100km. The 2018 Toyota Prius Eco uses 4.2 L/100km — about 58.9% less than that average, or roughly US$1,257 saved a year at 12,000 miles.
2018 Toyota Prius Eco — configurations in the official data
| Fuel | Consumption | CO₂ | Engine | Power | Source variant |
|---|---|---|---|---|---|
| Hybrid | 4.2 L/100km | — | 1800 cc | — | — |
Figures are the official certified values recorded in the U.S. EPA (fueleconomy.gov), grouped across 1 configuration. Real-world consumption is typically higher than the certified figure.
Related
Toyota Prius Eco 2017 · Toyota Prius Eco 2019 · Toyota Prius Eco 2016 · Toyota Prius Eco 2020 · All United States cars · Full United States running-cost calculator · United States fuel cost calculator
These are estimates built from official certified figures and current average prices. They are not financial advice. Verify the exact figure for the car you are buying — consumption varies by trim, tyres and driving style.