2021 · Midsize & Large SUV · Plug-in hybrid
2021 Porsche Cayenne Plug-in Hybrid MPG & fuel economy
The 2021 Porsche Cayenne Plug-in Hybrid is a midsize or large SUV offered in 2 EPA-rated configurations. This plug-in hybrid covers about 17 miles on electricity (46 MPGe), then returns 21 MPG on gas. Across the lineup, combined ratings range from 18 to 21 MPG. Efficiency is unchanged from the 2020 model. Among 65 midsize & large SUVs rated for 2021, it ranks 25th for lowest fuel cost. At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $2,470 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2021 Porsche Cayenne Plug-in Hybrid's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.5 km/L in the city and 9.4 km/L on the highway. On electricity it is rated 46 MPGe.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City (gas) | 20 | 8.5 | 11.8 |
| Highway (gas) | 22 | 9.4 | 10.7 |
| Combined (gas) | 21 | 8.9 | 11.2 |
How it ranks among 2021 Midsize & Large SUVs
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Cayenne Plug-in Hybrid MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| AWD · 3.0L 6-cyl turbo · 8-speed automatic Cayenne e-Hybrid |
Plug-in hybrid | 45 MPGe + 20 MPG | 48 MPGe + 22 MPG | 46 MPGe + 21 MPG | 430 mi | $2,470 |
| AWD · 4.0L 8-cyl turbo · 8-speed automatic Cayenne Turbo S e-Hybrid |
Plug-in hybrid | 40 MPGe + 17 MPG | 44 MPGe + 20 MPG | 42 MPGe + 18 MPG | 370 mi | $2,897 |
Specs (most efficient configuration)
- Fuel
- Premium gas + electricity
- Engine / motor
- 3.0L 6-cyl turbo
- Transmission
- 8-speed automatic
- Drivetrain
- AWD
- Electricity use
- 72 kWh/100 mi
- All-electric range
- 17 mi
- Charge time (240V)
- 3 hrs
- Tailpipe CO₂
- 257 g/mi
- EPA fuel economy score
- 6/10
- EPA greenhouse gas score
- 7/10
2021 Porsche Cayenne Plug-in Hybrid vs. rivals
Compare the 2021 Cayenne Plug-in Hybrid
With any other car from any year, including other Cayenne Plug-in Hybrid model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2021 Porsche Cayenne (20 MPG)
Frequently asked questions
What is the gas mileage of the 2021 Porsche Cayenne Plug-in Hybrid?
Up to 46 MPGe + 21 MPG combined; ratings range from 18 to 21 MPG depending on configuration.
What fuel does the 2021 Porsche Cayenne Plug-in Hybrid use?
Premium gas + electricity (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2021 Porsche Cayenne Plug-in Hybrid?
The 2021 Porsche Cayenne Plug-in Hybrid's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 8.5 km/L in the city and 9.4 km/L on the highway. On electricity it is rated 46 MPGe.
How much does it cost to fuel the 2021 Porsche Cayenne Plug-in Hybrid per year?
About $2,470 at 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, or $16.46 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.