DecodedCarsBMW iX vs Porsche Cayenne
2026 BMW iX vs 2026 Porsche Cayenne — two standard SUVs compared on efficiency, size, safety and reliability.
The short version
That works out to about $3,550 a year less in fuel for the BMW iX (EPA estimate, 15,000 miles).
Across all model years since 2005, the BMW iX has had fewer recall campaigns (12 vs 28).
The two cars
The 2026 BMW iX is a standard SUV powered by electricity and all-wheel drive. It measures about 195 inches long and 77 inches wide on a 118-inch wheelbase, with a curb weight of roughly 5,688 lb (M70 Xdrive Series).
The 2026 Porsche Cayenne is a standard SUV offered with 2 engines (3.0L 6-cyl turbo and 4.0L 8-cyl turbo) 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).
Buying used? The 2024 iX and the 2018 Cayenne have the fewest problems in our data; avoid the 2019 Cayenne.
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 BMW iX if…
- You want an EV with more range (364 miles)
- You want a hybrid or electric option
- You put reliability history first (12 vs 28 recalls since 2005)
Choose the Porsche Cayenne if…
It doesn't clearly beat the BMW iX on any measure we track.
Pros & cons of each
2026 BMW iX
- Long EV rangeUp to 364 miles on a charge (EPA).
- Strong performanceUp to 536 hp, versus about 393 hp for similar 2026 models.
2026 Porsche Cayenne
- 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 2026 BMW iX specs →Full 2026 Porsche Cayenne specs →Compare fuel costs for your driving →Compare size & garage fit →