Against 283 other V6 cars rated 2023–2025, the 718 Spyder trails their 21.1 mpg average by 5.1 mpg, about $580 a year.
Every Porsche 718 Spyder engine, compared
The Porsche 718 Spyder was rated in a single specification, so its gas mileage does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 4L 6-cyl | 16.3 / 22.2 | 2020–2025 | $2,076 |
What that actually costs
| Measure | Value |
|---|---|
| Cost per mile (2025) | $0.200 |
| Fuel per year | $2,400 |
| Fuel over five years | $12,000 |
| Against other V6 cars, 2023–2025 | +$580 a year |
| EPA's own estimate | $4,200 a year |
City or highway — who is this car for
The 2025 Porsche 718 Spyder gives up 5 mpg in town: 19 on the highway against 14 in the city, $722 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2025) | 14 mpg | $2,743 a year if you only drive in town |
| Highway | 19 mpg | $2,021 a year if you mostly commute |
| Gap | +5 mpg (36%) | Wide — this car dislikes traffic |
How the 718 Spyder changed over the years
The 718 Spyder peaked in 2023 at 20 mpg (18 city, 24 highway) and was at its thirstiest in 2025 at 16 — 4 mpg apart, or $480 a year in fuel between buying one year and the other. The 2025 car does 16. The biggest single-year change came in 2024: 20 to 16 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2025 | 14 / 19 | 1 | $2,400 | |
| 2024 | 14 / 19 | 1 | $2,400 | |
| 2023 | 18 / 24 | 1 | $1,920 | |
| 2022 | 18 / 24 | 1 | $1,920 | |
| 2021 | 18 / 24 | 1 | $1,920 | |
| 2020 | 16 / 23 | 1 | $2,021 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 6 EPA ratings of the Porsche 718 Spyder — 1 engine across 2020–2025. 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 $4,200. Full method.
Frequently asked questions
What mpg does the 2025 Porsche 718 Spyder get?
16 mpg combined, 14 city and 19 highway, per EPA. Across every year since 2020 the 718 Spyder has averaged 18.5 mpg.
Is the 2025 718 Spyder more efficient than the 2024?
About the same: 16 against 16 mpg combined.
Which 718 Spyder year has the best gas mileage?
The 2023, at 20 mpg combined (18 city, 24 highway).
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