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Mercedes-Benz S-Class vs Porsche 911 Coupe - Differences and prices compared

Compare performance (791 HP vs 640 HP), trunk space and price (117,800 $ vs 120,100 $ ) at a glance. See which model fits your needs and budget better – Mercedes-Benz S-Class or Porsche 911 Coupe?

Mercedes-Benz S-Class vs Porsche 911 Coupe: Key differences

Mercedes-Benz S-Class

  • very slightly cheaper
  • somewhat more power
  • slightly more efficient
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Porsche 911 Coupe

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

S-Class

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.

Mercedes-Benz S-Class is very slightly cheaper – starting at 117,800 $ , while the Porsche 911 Coupe costs 120,100 $ . That’s a price difference of around 2,350 $.

When it comes to city fuel economy, the Mercedes-Benz S-Class performs slightly better – achieving 21 mpg, compared to 18 mpg for the Porsche 911 Coupe. That’s a difference of about 3 mpg.

911 Coupe

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 Mercedes-Benz S-Class offers somewhat more power – delivering 791 HP compared to 640 HP. That’s roughly 151 HP more horsepower.

There’s also a difference in torque: the Mercedes-Benz S-Class delivers substantially more torque with 1,055 lb-ft compared to 590 lb-ft. That’s about 465 lb-ft more.

S-Class

Space and Everyday Use:

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

Seats: Mercedes-Benz S-Class offers more seats – 5 vs 4.

In terms of curb weight, Porsche 911 Coupe is substantially lighter – 3,268 lbs compared to 4,740 lbs. The difference is around 1,472 lbs.

Who wins the race in the data check?

The Mercedes-Benz S-Class is far ahead overall 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 $117,800
S-Class

Mercedes-Benz S-Class

  • Engine Type : , Plug-In Hybrid, Gasoline
  • Transmission : Automatic
  • Drive Type : All Wheel
  • Power HP : 442 - 791 HP
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View detailed analysis

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View detailed analysis

Mercedes-Benz S-Class

The Mercedes-Benz S-Class stands as a symbol of luxury and sophistication in the automotive world, seamlessly blending cutting-edge technology with unparalleled comfort. Its elegant design and opulent interiors offer a lavish driving experience, drawing attention from discerning car enthusiasts worldwide. As the flagship of the Mercedes-Benz lineup, the S-Class consistently sets the benchmark for innovation and prestige in the luxury sedan segment.

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Porsche 911 Coupe

The Porsche 911 Coupe remains an icon in the automotive world, celebrated for its timeless design and exhilarating performance. Its sleek silhouette and rear-engine layout are just as thrilling today as when it first made its debut. With its precise handling and distinctive growl, the 911 Coupe continues to captivate driving enthusiasts around the globe.

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Mercedes-Benz S-Class
Porsche 911 Coupe

Costs and Consumption
Price
117,800 - 240,500 $
Price
120,100 - 241,300 $
FuelEconomy City
12 - 21 mpg
FuelEconomy City
14 - 18 mpg
FuelEconomy Hwy
20 - 31 MPG
FuelEconomy Hwy
18 - 24 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
17.7 - 22.2 gal
Fuel tank capacity
16.6 - 17.6 gal

Dimensions and Body
Body Type
4MATIC Sedan
Body Type
Coupe
Seats
5
Seats
2 - 4
Doors
-
Doors
-
Curb weight
4,740 - 5,831 lbs
Curb weight
3,268 - 3,869 lbs
Trunk Volume
8.1 - 18.9 cu. ft.
Trunk Volume
-
Length
208.2 - 215.3 in.
Length
178.6 - 180 in.
Width
75.6 - 76.9 in.
Width
72.9 - 74.9 in.
Height
59 in.
Height
50 - 52 in.

Engine and Performance
Engine Type
, Plug-In Hybrid, Gasoline
Engine Type
Gasoline,
Transmission
Automatic
Transmission
Automatic
Drive Type
All Wheel
Drive Type
Rear Wheel, All Wheel
Power HP
442 - 791 HP
Power HP
388 - 640 HP
Torque
369 - 1,055 lb-ft
Torque
332 - 590 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
3 - 6 L
Engine Displacement
3 - 4 L
Gears
-
Gears
-

General
Model Year
2025
Model Year
2025
Brand
Mercedes-Benz
Brand
Porsche
What is the starting MSRP for the Mercedes-Benz S-Class?

Starting from 117,800 $.

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.