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Audi Q7 vs Porsche Cayenne

2026 Audi Q7 vs 2026 Porsche Cayenne — two standard SUVs compared on efficiency, size, safety and reliability.

Audi Q7

2026 Audi Q7

Standard Sport Utility Vehicle 4WDAWD/4WDHybrid/EV
VS4 – 2Audi Q7 wins 4 of 6 categories
Porsche Cayenne

2026 Porsche Cayenne

Standard Sport Utility Vehicle 4WDAWD/4WD

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The short version

The Audi Q7 is more fuel-efficient: 22 vs 19 MPG combined in its best version.

That works out to about $600 a year less in fuel for the Audi Q7 (EPA estimate, 15,000 miles).

The Audi Q7 is the bigger car, about 6 inches longer.

Across all model years since 2005, the Porsche Cayenne has had fewer recall campaigns (28 vs 31).

The two cars

The 2026 Audi Q7 is a standard SUV offered with 2 engines (2.0L 4-cyl turbo and 3.0L 6-cyl turbo), including a hybrid version and all-wheel drive. It measures about 199 inches long and 78 inches wide on a 118-inch wheelbase, with a curb weight of roughly 4,938 lb.

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 Q7 and the 2018 Cayenne have the fewest problems in our data; avoid the 2017 Q7 and the 2019 Cayenne.

Basics

Standard Sport Utility Vehicle 4WD
Class
Standard Sport Utility Vehicle 4WD
Premium Gasoline, Hybrid
Fuel
Premium Gasoline
2.0L 4-cyl turbo, 3.0L 6-cyl turbo
Engines
3.0L 6-cyl turbo, 4.0L 8-cyl turbo
All-Wheel Drive
Drivetrain
All-Wheel Drive

Efficiency

22 MPG
Best combined MPG
19 MPG
20 city
City / highway MPG (best)
17 city
$3,750
Fuel cost per year (EPA)
$4,350

Performance & space

335 hp
Horsepower (most powerful)
493 hp
–
Seats (most)
4
199.2 in
Length
193.7 in
77.6 in
Width
78 in
68.5 in
Height
65.7 in
4,938 lb
Curb weight (lightest)
4,376 lb

Safety & reliability

14
Driver-assist features standard
11
1
Recalls (2026)
1
31
Recalls, all years since 2005
28
2
Owner complaints (latest year)
5

Interest

17,245
Wikipedia views, 30 days
30,338

Buying used

2024
Best used year
2018
2017
Year to avoid
2019

Green = clearly better. Prices are not included. How we calculate this →

Which one should you choose?

Choose the Audi Q7 if…

  • You want lower fuel bills (22 vs 19 MPG)
  • You want more room (6 in longer)
  • You want a hybrid or electric option
  • You want more standard driver-assist tech

Choose the Porsche Cayenne if…

  • You want more power (up to 493 vs 335 hp)
  • You want something easier to park (6 in shorter)

Pros & cons of each

2026 Audi Q7

  • Hybrid version availableOffered as a hybrid as well as gas.
  • Lots of standard safety tech5 of 5 key driver aids standard on the versions we checked.
  • Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.

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 Audi Q7 specs →Full 2026 Porsche Cayenne specs →Compare fuel costs for your driving →Compare size & garage fit →