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Audi A8 vs Porsche Cayenne - Differences and prices compared

Compare performance (335 HP vs 729 HP), trunk space and price (92,000 $ vs 84,700 $ ) at a glance. See which model fits your needs and budget better – Audi A8 or Porsche Cayenne?

Audi A8 vs Porsche Cayenne: Key differences

Audi A8

  • slightly more efficient

Porsche Cayenne

  • barely cheaper
  • substantially more power
  • barely lighter

Here’s where it gets real: The technical differences in detail

A8

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Porsche Cayenne is barely cheaper – starting at 84,700 $ , while the Audi A8 costs 92,000 $ . That’s a price difference of around 7,300 $.

When it comes to city fuel economy, the Audi A8 performs slightly better – achieving 20 mpg, compared to 17 mpg for the Porsche Cayenne. That’s a difference of about 3 mpg.

Cayenne

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Porsche Cayenne offers substantially more power – delivering 729 HP compared to 335 HP. That’s roughly 394 HP more horsepower.

There’s also a difference in torque: the Porsche Cayenne delivers significantly more torque with 700 lb-ft compared to 369 lb-ft. That’s about 331 lb-ft more.

A8

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Porsche Cayenne is barely lighter – 4,678 lbs compared to 4,762 lbs. The difference is around 84 lbs.

Who wins the race in the data check?

The Porsche Cayenne is decisively ahead in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from $84,700
Cayenne

Porsche Cayenne

  • Engine Type : Gasoline, Plug-In Hybrid
  • Transmission : Automatic
  • Drive Type : All Wheel
  • Power HP : 348 - 729 HP
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View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

General
View detailed analysis

Audi A8

The Audi A8 embodies the pinnacle of luxury and performance, offering a refined blend of premium materials and cutting-edge technology. Its elegant design, characterized by a sophisticated silhouette and meticulous attention to detail, creates a commanding presence on the road. Inside, passengers are greeted with opulence and comfort, surrounded by an array of advanced features that promise an unparalleled driving experience.

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Porsche Cayenne

The Porsche Cayenne stands as a hallmark of luxury and performance within the SUV segment, seamlessly blending the brand's iconic sports car heritage with everyday functionality. With its elegant yet muscular design, the Cayenne commands attention on the road, offering a driving experience that is both exhilarating and comfortable. Inside, the cabin is meticulously crafted, showcasing high-quality materials and state-of-the-art technology, ensuring that every journey is as enjoyable as it is stylish.

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Audi A8
Porsche Cayenne

Costs and Consumption
Price
92,000 $
Price
84,700 - 203,800 $
FuelEconomy City
20 mpg
FuelEconomy City
15 - 17 mpg
FuelEconomy Hwy
26 MPG
FuelEconomy Hwy
21 - 23 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
21.7 gal
Fuel tank capacity
18.4 - 23.7 gal

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
-
Doors
-
Curb weight
4,762 lbs
Curb weight
4,678 - 5,719 lbs
Trunk Volume
12.5 cu. ft.
Trunk Volume
-
Length
208.7 in.
Length
194.1 - 194.2 in.
Width
76.6 in.
Width
78.1 - 78.5 in.
Height
58 in.
Height
64 - 66 in.

Engine and Performance
Engine Type
Engine Type
Gasoline, Plug-In Hybrid
Transmission
Automatic
Transmission
Automatic
Drive Type
All Wheel
Drive Type
All Wheel
Power HP
335 HP
Power HP
348 - 729 HP
Torque
369 lb-ft
Torque
368 - 700 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
3 L
Engine Displacement
3 - 4 L
Gears
-
Gears
-

General
Model Year
2,025
Model Year
2,025
Brand
Audi
Brand
Porsche
What is the starting MSRP for the Audi A8?

Starting from 92,000 $.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. Prices shown are manufacturer suggested retail prices (MSRP). Taxes, registration fees and dealer charges are not included.