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Mercedes-Benz C-Class vs Audi RS 3 - Differences and prices compared

Compare performance (671 HP vs 401 HP), trunk space and price (48,500 $ vs 62,300 $ ) at a glance. See which model fits your needs and budget better – Mercedes-Benz C-Class or Audi RS 3?

Mercedes-Benz C-Class vs Audi RS 3: Key differences

Mercedes-Benz C-Class

  • clearly cheaper
  • considerably more power
  • noticeably more efficient
  • moderately more trunk space
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Audi RS 3

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

C-Class

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.

Mercedes-Benz C-Class is clearly cheaper – starting at 48,500 $ , while the Audi RS 3 costs 62,300 $ . That’s a price difference of around 13,850 $.

When it comes to city fuel economy, the Mercedes-Benz C-Class performs noticeably better – achieving 26 mpg, compared to 19 mpg for the Audi RS 3. That’s a difference of about 7 mpg.

RS 3

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 Mercedes-Benz C-Class offers considerably more power – delivering 671 HP compared to 401 HP. That’s roughly 270 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.

C-Class

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, Audi RS 3 is only slightly lighter – 3,638 lbs compared to 3,825 lbs. The difference is around 187 lbs.

In terms of cargo space, the Mercedes-Benz C-Class offers moderately more room – 12.6 cu. ft. compared to 11.3 cu. ft.. That’s a difference of about 1.3 cu. ft..

Who wins the race in the data check?

The Mercedes-Benz C-Class stands well ahead of its rival 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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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

General
View detailed analysis

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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Reviews Mercedes-Benz C-Class

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Audi RS 3

The Audi RS 3 stands out in the compact sports car segment with its dynamic design and exhilarating performance. It combines luxurious features with advanced technology and precise engineering, ensuring an engaging driving experience. Its distinctive style and growling engine make it a favorite among enthusiasts seeking both speed and sophistication.

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Mercedes-Benz C-Class
Audi RS 3

Costs and Consumption
Price
48,500 - 86,100 $
Price
62,300 $
FuelEconomy City
20 - 26 mpg
FuelEconomy City
19 mpg
FuelEconomy Hwy
28 - 36 MPG
FuelEconomy Hwy
29 MPG
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
Fuel tank capacity
17.4 gal
Fuel tank capacity
14.5 gal

Dimensions and Body
Body Type
4MATIC Sedan, Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
3,825 - 4,165 lbs
Curb weight
3,638 lbs
Trunk Volume
9.8 - 12.6 cu. ft.
Trunk Volume
11.3 cu. ft.
Length
187 - 190.6 in.
Length
178.8 in.
Width
74.4 - 77.4 in.
Width
72.9 in.
Height
56 - 57 in.
Height
55 in.

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

General
Model Year
2025
Model Year
2024
Brand
Mercedes-Benz
Brand
Audi
What is the price of the Mercedes-Benz C-Class?

The Mercedes-Benz C-Class starts at 48,500 $.

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.