- Newest year: 2020
- Gas
- Two-seaters
2020 Porsche 718 MPG & Fuel Cost
2 configurations · 19 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 5 of 10 two-seater configurations, MY2020. Ranked against all rated configurations, not sales-weighted.
2020 Porsche 718 at a glance
The 2020 Porsche 718 has 2 configurations in the EPA database, rated 19 MPG combined. The most efficient is the Spyder 4.0L 6-cyl RWD at 19 MPG, which costs about $4,270 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The Spyder 4.0L 6-cyl RWD costs less to fuel than 5 of 10 two-seater configurations rated for MY2020 (class median $4,360 a year).
What the 2020 Spyder 4.0L 6-cyl RWD costs to drive
Per month
$356
$4,270 a year ÷ 12
Per 25 miles
$7.12
Per 100 miles
$28.47
Five years
$21,350
5 × the yearly cost, prices held at today's level
vs the two-seater median
$90less a year
Class median $4,360 a year, MY2020
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2020 Porsche 718 MPG
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Spyder (Most efficient) | 4.0L 6-cyl | RWD | 16 | 23 | 19 | $4,270 |
| Cayman GT4 | 4.0L 6-cyl | RWD | 16 | 23 | 19 | $4,270 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the Spyder 4.0L 6-cyl RWD: $5,100 in California and $3,710 in Texas, a $1,390 difference.
- California $5,100
- Washington $4,790
- New York $4,220
- Florida $3,900
- Texas $3,710
Similar cars
Closest combined MPG among MY2020 two-seater models.
Generations
- 2020
- 2021-2025
Frequently asked questions
What gas mileage does the 2020 Porsche 718 get?
EPA rates the 2020 Porsche 718 at 19 MPG combined across 2 configurations. The most efficient, the Spyder 4.0L 6-cyl RWD, is rated 19 MPG combined (16 city / 23 highway).
How much does it cost to fuel a 2020 Porsche 718 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the Spyder 4.0L 6-cyl RWD costs about $4,270 a year. Across all 2 configurations the cost runs $4,270 a year.
How much does it cost to drive a 2020 Porsche 718 100 miles?
About $28.47 per 100 miles for the Spyder 4.0L 6-cyl RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2020 Porsche 718 more efficient in the city or on the highway?
The Spyder 4.0L 6-cyl RWD is rated 16 city and 23 highway MPG, so it is more efficient on the highway, by 7 MPG.
How does the 2020 Porsche 718 compare with other two-seater configurations?
The Spyder 4.0L 6-cyl RWD costs about $4,270 a year to fuel, $90 less than the class median of $4,360, and less than 5 of 10 two-seater configurations. The comparison covers all 83 rated two-seater configurations for MY2020, not weighted by sales.