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Audi A6 Sedan vs Mercedes-Benz C-Class - Differences and prices compared

Compare performance (335 HP vs 671 HP), trunk space and price (58,100 $ vs 48,500 $ ) at a glance. See which model fits your needs and budget better – Audi A6 Sedan or Mercedes-Benz C-Class?

Audi A6 Sedan vs Mercedes-Benz C-Class: Key differences

Audi A6 Sedan

  • marginally more trunk space
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Mercedes-Benz C-Class

  • a bit cheaper
  • substantially more power
  • only slightly more efficient
  • marginally lighter
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Here’s where it gets real: The technical differences in detail

A6 Sedan

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Mercedes-Benz C-Class is a bit cheaper – starting at 48,500 $ , while the Audi A6 Sedan costs 58,100 $ . That’s a price difference of around 9,650 $.

When it comes to city fuel economy, the Mercedes-Benz C-Class performs only slightly better – achieving 26 mpg, compared to 24 mpg for the Audi A6 Sedan. That’s a difference of about 2 mpg.

C-Class

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 C-Class offers substantially more power – delivering 671 HP compared to 335 HP. That’s roughly 336 HP more horsepower.

There’s also a difference in torque: the Mercedes-Benz C-Class delivers significantly more torque with 752 lb-ft compared to 369 lb-ft. That’s about 383 lb-ft more.

A6 Sedan

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes-Benz C-Class is marginally lighter – 3,825 lbs compared to 4,101 lbs. The difference is around 276 lbs.

In terms of cargo space, the Audi A6 Sedan offers marginally more room – 13.7 cu. ft. compared to 12.6 cu. ft.. That’s a difference of about 1.1 cu. ft..

Who wins the race in the data check?

The Mercedes-Benz C-Class holds a decisive overall lead 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 $48,500
C-Class

Mercedes-Benz C-Class

  • Engine Type : Plug-In Hybrid,
  • Transmission : Automatic
  • Drive Type : All Wheel, Rear Wheel
  • Power HP : 255 - 671 HP
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Audi A6 Sedan
Mercedes-Benz C-Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

General
View detailed analysis

Audi A6 Sedan

The Audi A6 Sedan stands out as a leader in luxury and sophistication, embodying the brand's commitment to design and innovation. Its sleek profile and elegant interior features provide a harmonious blend of style and comfort, making it a top choice for discerning drivers. Whether cruising through city streets or gliding along highways, the A6 Sedan offers a refined driving experience that seamlessly combines performance with modern technology.

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Mercedes-Benz C-Class

The Mercedes-Benz C-Class is a seamless blend of elegance and performance, offering a luxurious driving experience that appeals to both enthusiasts and casual drivers alike. It boasts a refined interior with high-quality materials and an array of advanced technology features aimed at enhancing comfort and connectivity. With its dynamic design and smooth handling, the C-Class continues to set a standard in the compact luxury sedan segment.

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Audi A6 Sedan
Mercedes-Benz C-Class

Costs and Consumption
Price
58,100 - 73,400 $
Price
48,500 - 86,100 $
FuelEconomy City
22 - 24 mpg
FuelEconomy City
20 - 26 mpg
FuelEconomy Hwy
30 - 31 MPG
FuelEconomy Hwy
28 - 36 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
19.3 gal
Fuel tank capacity
17.4 gal

Dimensions and Body
Body Type
Sedan
Body Type
4MATIC Sedan, Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
4,101 - 4,266 lbs
Curb weight
3,825 - 4,165 lbs
Trunk Volume
13.7 cu. ft.
Trunk Volume
9.8 - 12.6 cu. ft.
Length
194.4 in.
Length
187 - 190.6 in.
Width
74.3 in.
Width
74.4 - 77.4 in.
Height
57 in.
Height
56 - 57 in.

Engine and Performance
Engine Type
Engine Type
Plug-In Hybrid,
Transmission
Automatic
Transmission
Automatic
Drive Type
All Wheel
Drive Type
All Wheel, Rear Wheel
Power HP
261 - 335 HP
Power HP
255 - 671 HP
Torque
273 - 369 lb-ft
Torque
295 - 752 lb-ft
Number of Cylinders
-
Number of Cylinders
-
Engine Displacement
2 - 3 L
Engine Displacement
2 L
Gears
-
Gears
-

General
Model Year
2025
Model Year
2025
Brand
Audi
Brand
Mercedes-Benz
What is the price of the Audi A6 Sedan?

Starting from 58,100 $.

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.