Against 40 other Plug-in hybrid cars rated 2022–2024, the Prius Prime beats their 33.6 mpg average by 18.4 mpg, about $405 a year.
Every Toyota Prius Prime engine, compared
Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 1.8L 4-cyl Plug-in hybrid | 55 / 53 | 2017–2022 | $711 | |
| 2L 4-cyl Plug-in hybrid | 53 / 51 | 2023–2024 | $738 |
What that actually costs
Against its rivals in the same model years, the Honda Accord gets 40 mpg, the Infiniti Q50 23 mpg and the Kia Stinger 22.5 mpg, next to 52 mpg for the 2024 Prius Prime. The Prius Prime is the cheapest of them to run: $969 a year less than the Kia Stinger.
| Measure | Value |
|---|---|
| Cost per mile (2024) | $0.062 |
| Fuel per year | $738 |
| Fuel over five years | $3,690 |
| Against other Plug-in hybrid cars, 2022–2024 | −$405 a year |
| EPA's own estimate | $1,163 a year |
City or highway — who is this car for
The 2024 Toyota Prius Prime does better in town than out of it: 53 in the city against 51 on the highway, $28 a year in favor of city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2024) | 53 mpg | $725 a year if you only drive in town |
| Highway | 51 mpg | $753 a year if you mostly commute |
| Gap | -2 mpg (-4%) | Reversed — it does better in town than on the open road |
How the Prius Prime changed over the years
The Prius Prime peaked in 2022 at 54 mpg (55 city, 53 highway) and was at its thirstiest in 2024 at 52 — 2 mpg apart, or $27 a year in fuel between buying one year and the other. The 2024 car does 52.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2024 | 53 / 51 | 1 | $738 | |
| 2023 | 53 / 51 | 1 | $738 | |
| 2022 | 55 / 53 | 1 | $711 | |
| 2021 | 55 / 53 | 1 | $711 | |
| 2020 | 55 / 53 | 1 | $711 | |
| 2019 | 55 / 53 | 1 | $711 | |
| 2018 | 55 / 53 | 1 | $711 | |
| 2017 | 55 / 53 | 1 | $711 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 8 EPA ratings of the Toyota Prius Prime — 2 engines across 2017–2024. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $1,163. Full method.
Frequently asked questions
What mpg does the 2024 Toyota Prius Prime get?
52 mpg combined, 53 city and 51 highway, per EPA. Across every year since 2017 the Prius Prime has averaged 53.5 mpg.
Is the 2024 Prius Prime more efficient than the 2023?
About the same: 52 against 52 mpg combined.
Which Prius Prime year has the best gas mileage?
The 2022, at 54 mpg combined (55 city, 53 highway).
Does the Prius Prime get better gas mileage than the Honda Accord?
Yes: 52 mpg for the 2024 Prius Prime against 40 for the 2025 Honda Accord, about $222 a year less to run.
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