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Audi S8 vs Porsche 718 Cayman - Differences and prices compared

Compare performance (563 HP vs 493 HP), trunk space and price (125,300 $ vs 72,800 $ ) at a glance. See which model fits your needs and budget better – Audi S8 or Porsche 718 Cayman?

Audi S8 vs Porsche 718 Cayman: Key differences

Audi S8

  • somewhat more power
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Porsche 718 Cayman

  • considerably cheaper
  • noticeably more efficient
  • considerably lighter
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Here’s where it gets real: The technical differences in detail

S8

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 718 Cayman is considerably cheaper – starting at 72,800 $ , while the Audi S8 costs 125,300 $ . That’s a price difference of around 52,500 $.

When it comes to city fuel economy, the Porsche 718 Cayman performs noticeably better – achieving 21 mpg, compared to 15 mpg for the Audi S8. That’s a difference of about 6 mpg.

718 Cayman

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Audi S8 offers somewhat more power – delivering 563 HP compared to 493 HP. That’s roughly 70 HP more horsepower.

There’s also a difference in torque: the Audi S8 delivers significantly more torque with 590 lb-ft compared to 331 lb-ft. That’s about 259 lb-ft more.

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Audi S8 offers more seats – 5 vs 2.

In terms of curb weight, Porsche 718 Cayman is considerably lighter – 3,104 lbs compared to 5,126 lbs. The difference is around 2,022 lbs.

Who wins the race in the data check?

The Porsche 718 Cayman comes out modestly 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 $72,800
718 Cayman

Porsche 718 Cayman

  • Engine Type : Gasoline
  • Transmission : , Automatic
  • Drive Type : Rear Wheel
  • Power HP : 300 - 493 HP
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Audi S8

The Audi S8 is a masterclass in luxury performance, marrying elegant design with exhilarating power. It offers a driving experience that effortlessly balances comfort and sportiness, providing both thrilling acceleration and a serene ride. The interior of the S8 is a sanctuary of craftsmanship, laden with high-quality materials and cutting-edge technology, ensuring every journey is as enjoyable as it is stylish.

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Porsche 718 Cayman

The Porsche 718 Cayman is a sleek and dynamic sports car that embodies the essence of driving pleasure. Known for its superb handling and precise steering, this model offers an exhilarating experience on winding roads. Its timeless design and refined interior make the Cayman a perfect blend of performance and luxury.

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Costs and Consumption
Price
125,300 $
Price
72,800 - 164,200 $
FuelEconomy City
15 mpg
FuelEconomy City
15 - 21 mpg
FuelEconomy Hwy
24 MPG
FuelEconomy Hwy
19 - 27 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
21.7 gal
Fuel tank capacity
14.2 - 16.9 gal

Dimensions and Body
Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
5,126 lbs
Curb weight
3,104 - 3,241 lbs
Trunk Volume
12.5 cu. ft.
Trunk Volume
-
Length
209 in.
Length
172.4 - 175.4 in.
Width
76.6 in.
Width
70.9 - 71.7 in.
Height
58 in.
Height
49 - 51 in.

Engine and Performance
Engine Type
Engine Type
Gasoline
Transmission
Automatic
Transmission
, Automatic
Drive Type
All Wheel
Drive Type
Rear Wheel
Power HP
563 HP
Power HP
300 - 493 HP
Torque
590 lb-ft
Torque
280 - 331 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
4 L
Engine Displacement
2 - 4 L
Gears
-
Gears
-

General
Model Year
2025
Model Year
2025
Brand
Audi
Brand
Porsche
What is the starting MSRP for the Audi S8?

Starting from 125,300 $.

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.