DecodedCarsAudi Q8 e-tron vs Porsche Cayenne
2025 Audi Q8 e-tron vs 2025 Porsche Cayenne — two standard SUVs compared on efficiency, size, safety and reliability.
The short version
That works out to about $2,800 a year less in fuel for the Audi Q8 e-tron (EPA estimate, 15,000 miles).
Across all model years since 2005, the Audi Q8 e-tron has had fewer recall campaigns (1 vs 28).
The two cars
The 2025 Audi Q8 e-tron is a standard SUV powered by electricity and all-wheel drive. It measures about 194 inches long and 76 inches wide on a 115-inch wheelbase, with a curb weight of roughly 5,534 lb.
The 2025 Porsche Cayenne is a standard SUV offered with 2 engines (3.0L 6-cyl turbo and 4.0L 8-cyl turbo), including a hybrid version and all-wheel drive. It measures about 194 inches long and 78 inches wide on a 114-inch wheelbase, with a curb weight of roughly 4,376 lb (Base / S 4dr SUV).
Basics
Efficiency
Performance & space
Safety & reliability
Interest
Green = clearly better. Prices are not included. How we calculate this →
Which one should you choose?
Choose the Audi Q8 e-tron if…
- You want an EV with more range (272 miles)
- You put reliability history first (1 vs 28 recalls since 2005)
Choose the Porsche Cayenne if…
It doesn't clearly beat the Audi Q8 e-tron on any measure we track.
Pros & cons of each
2025 Audi Q8 e-tron
- 5-star NHTSA safety ratingTop overall score in federal crash tests.
- No recalls so far
2025 Porsche Cayenne
- Strong performanceUp to 729 hp, versus about 456 hp for similar 2025 models.
- Plug-in hybrid version availableOffered as a plug-in hybrid as well as gas.
- Lots of standard safety tech4 of 5 key driver aids standard on the versions we checked.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Full 2025 Audi Q8 e-tron specs →Full 2025 Porsche Cayenne specs →Compare fuel costs for your driving →Compare size & garage fit →