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BMW 8 Series vs Porsche Cayenne - Differences and prices compared

Compare performance (612 HP vs 729 HP), trunk space and price (91,700 $ vs 84,700 $ ) at a glance. See which model fits your needs and budget better – BMW 8 Series or Porsche Cayenne?

BMW 8 Series vs Porsche Cayenne: Key differences

BMW 8 Series

  • a bit more efficient
  • a bit lighter

Porsche Cayenne

  • only slightly cheaper
  • moderately more power

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

Cayenne

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Porsche Cayenne is only slightly cheaper – starting at 84,700 $ , while the BMW 8 Series costs 91,700 $ . That’s a price difference of around 7,000 $.

When it comes to city fuel economy, the BMW 8 Series performs a bit better – achieving 21 mpg, compared to 17 mpg for the Porsche Cayenne. That’s a difference of about 4 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 moderately more power – delivering 729 HP compared to 612 HP. That’s roughly 117 HP more horsepower.

There’s also a difference in torque: the Porsche Cayenne delivers a bit more torque with 700 lb-ft compared to 590 lb-ft. That’s about 110 lb-ft more.

Cayenne

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, BMW 8 Series is a bit lighter – 3,933 lbs compared to 4,678 lbs. The difference is around 745 lbs.

Who wins the race in the data check?

The BMW 8 Series is narrowly 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 $91,700
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BMW 8 Series

  • Engine Type : Gasoline
  • Transmission : Automatic
  • Drive Type : All Wheel, Rear Wheel
  • Power HP : 335 - 612 HP
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View detailed analysis

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BMW 8 Series

The BMW 8 Series stands as a beacon of luxury and performance within the automotive world, seamlessly blending elegant design with advanced engineering. It offers a driving experience that is both exhilarating and refined, making it a favorite among those who appreciate the finer things in life. The interior, adorned with high-quality materials and cutting-edge technology, ensures that every journey is as enjoyable as it is comfortable.

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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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BMW 8 Series
Porsche Cayenne

Costs and Consumption
Price
91,700 - 151,500 $
Price
84,700 - 203,800 $
FuelEconomy City
17 - 21 mpg
FuelEconomy City
15 - 17 mpg
FuelEconomy Hwy
24 - 29 MPG
FuelEconomy Hwy
21 - 23 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
18 gal
Fuel tank capacity
18.4 - 23.7 gal

Dimensions and Body
Body Type
Sedan, Coupe, Convertible
Body Type
SUV
Seats
4 - 5
Seats
4 - 5
Doors
-
Doors
-
Curb weight
3,933 - 4,831 lbs
Curb weight
4,678 - 5,719 lbs
Trunk Volume
12.4 - 15.5 cu. ft.
Trunk Volume
-
Length
191.1 - 200.4 in.
Length
194.1 - 194.2 in.
Width
74.9 - 76.1 in.
Width
78.1 - 78.5 in.
Height
52 - 56 in.
Height
64 - 66 in.

Engine and Performance
Engine Type
Gasoline
Engine Type
Gasoline, Plug-In Hybrid
Transmission
Automatic
Transmission
Automatic
Drive Type
All Wheel, Rear Wheel
Drive Type
All Wheel
Power HP
335 - 612 HP
Power HP
348 - 729 HP
Torque
368 - 590 lb-ft
Torque
368 - 700 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
3 - 4.4 L
Engine Displacement
3 - 4 L
Gears
-
Gears
-

General
Model Year
2,025
Model Year
2,025
Brand
BMW
Brand
Porsche
What is the price of the BMW 8 Series?

Starting from 91,700 $.

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.