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Cadillac XT6 vs Porsche Cayenne

2025 Cadillac XT6 vs 2025 Porsche Cayenne — two rivals compared on efficiency, size, safety and reliability.

Cadillac XT6

2025 Cadillac XT6

Small Sport Utility Vehicle 2WDAWD/4WD
VS4 – 2Cadillac XT6 wins 4 of 6 categories
Porsche Cayenne

2025 Porsche Cayenne

Standard Sport Utility Vehicle 4WDAWD/4WDHybrid/EV

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The short version

The Cadillac XT6 is more fuel-efficient: 23 vs 22 MPG combined in its best version.

That works out to about $550 a year less in fuel for the Cadillac XT6 (EPA estimate, 15,000 miles).

The Cadillac XT6 is the bigger car, about 5 inches longer.

Across all model years since 2005, the Cadillac XT6 has had fewer recall campaigns (12 vs 28).

The two cars

The 2025 Cadillac XT6 is a small SUV offered with 2 engines (2.0L 4-cyl turbo and 3.6L 6-cyl) and front-wheel drive and all-wheel drive. It measures about 199 inches long and 77 inches wide on a 113-inch wheelbase, with a curb weight of roughly 4,689 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).

Buying used? The 2024 XT6 and the 2018 Cayenne have the fewest problems in our data; avoid the 2020 XT6 and the 2019 Cayenne.

Basics

Small Sport Utility Vehicle 2WD
Class
Standard Sport Utility Vehicle 4WD
Premium Gasoline, Regular Gasoline
Fuel
Plug-in Hybrid, Premium Gasoline
2.0L 4-cyl turbo, 3.6L 6-cyl
Engines
3.0L 6-cyl turbo, 4.0L 8-cyl turbo
Front-Wheel Drive, All-Wheel Drive
Drivetrain
All-Wheel Drive

Efficiency

23 MPG
Best combined MPG
22 MPG
21 city
City / highway MPG (best)
21 city
$3,200
Fuel cost per year (EPA)
$3,750

Performance & space

–
Horsepower (most powerful)
729 hp
–
Seats (most)
5
198.8 in
Length
193.7 in
77.2 in
Width
78 in
68.9 in
Height
66.1 in
4,689 lb
Curb weight (lightest)
4,376 lb

Safety & reliability

★★★★★
NHTSA overall rating
–
10
Driver-assist features standard
11
1
Recalls (2025)
2
12
Recalls, all years since 2005
28
8
Owner complaints (latest year)
6

Interest

4,045
Wikipedia views, 30 days
30,338

Buying used

2024
Best used year
2018
2020
Year to avoid
2019

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

Which one should you choose?

Choose the Cadillac XT6 if…

  • You want more room (5 in longer)
  • You put reliability history first (12 vs 28 recalls since 2005)

Choose the Porsche Cayenne if…

  • You want something easier to park (5 in shorter)
  • You want a hybrid or electric option

Pros & cons of each

2025 Cadillac XT6

  • AWD / 4WD available
  • 5-star NHTSA safety ratingTop overall score in federal crash tests.
  • Below-average fuel economyBest version gets 23 MPG combined, 21% below the 2025 small SUV average of 29 MPG.

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 Cadillac XT6 specs →Full 2025 Porsche Cayenne specs →Compare fuel costs for your driving →Compare size & garage fit →