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2021 Mercedes-Benz C-Class vs 2021 BMW 3 Series

2021 Mercedes-Benz C-Class vs BMW 3 Series

2021 Mercedes-Benz C-Class


2021 BMW 3 Series

2.0L turbo 4-cylinder

Base Engine

2.0L turbo 4-cylinder

Available Engine Upgrades

9-speed automatic


8-speed automatic

Driver Attention Monitor

Feature Not Offered



Car-to-X Communication

Feature Not Offered

If you’re searching for the right luxury sedan that can provide efficient power and advanced features for your commute, then you may be considering options like the 2021 Mercedes-Benz C-Class or 2021 BMW 3 Series. The C-Class vs. 3 Series comparison displays some similar features as well as some striking differences to meet your specific driving needs. Determine which high-end sedan you’ll bring home with the BMW 3 Series vs. Mercedes-Benz C-Class guide below, and then be sure to check out our extensive inventory of luxury models at Mercedes-Benz of Beaverton! 

C-Class vs. 3 Series: Engine & Performance

When you assess the Mercedes-Benz C-Class vs. BMW 3 Series is in terms of the performance they display on Portland roads, they share similar turbo engines, standard drivetrains, and horsepower specs. However, the C-Class offers a stronger transmission pairing and larger fuel tank capacity for less stops to fill up. You’ll also have almost identical 0-60 mph performances to add an extra boost to your commute, but the only the C-Class lineup offers additional engine options with its AMG® C-Class packages. See the base performance specs of the C-Class and 3 Series below:

2021 Mercedes-Benz C-Class Sedan 

  • Rear-wheel drive
  • 2.0L turbocharged 4-cylinder engine 
  • 255 horsepower
  • 273 lb-ft of torque
  • 9G-TRONIC® 9-speed automatic transmission
  • 17.4-gallon fuel tank capacity
  • 0-60 mph in 5.7 seconds
  • AMG® C-Class options, including the hand-built 503-hp AMG® C 63 S Sedan 

2021 BMW 3 Series Sedan 

  • Rear-wheel drive
  • 2.0L turbocharged 4-cylinder engine 
  • 8-speed automatic transmission
  • 255 horsepower 
  • 294 lb-ft of torque
  • 15.6-gallon fuel tank capacity
  • 0-60 mph in 5.6 seconds

C-Class vs. 3 Series: Interior Space and Features

Another draw for many Portland customers to their next luxury sedan is to have ample interior space and great convenience features. Some consistent technology and safety features found in both include a pre-collision avoidance system, power-adjustable front seats, rearview camera, and LED headlights. There are several features offered in the C-Class lineup not found in the 3 Series that make this Mercedes-Benz sedan truly stand out. These include: 

  • ATTENTION ASSIST®: Within the first few minutes of your journey, this system begins learning your driving behaviors and can sense when you lose focus or become drowsy. 
  • Optional 64-Color LED Ambient Lighting: Available on the C-Class, this exciting system lets you customize your drives around Hillsboro by choosing the color of the LED ambient interior lights. 
  • Optional Car-to-X-Communication: Notice a hazard on the road or a lull in traffic around Happy Valley? You can use this system to update other C-Class owners in the area. 

Explore the 2021 C-Class at Mercedes-Benz of Beaverton! 

After breaking down the BMW 3 Series vs. Mercedes-Benz C-Class, experience the difference on Portland roads behind the wheel of a stellar Mercedes-Benz sedan. Bring home a new Mercedes-Benz C-Class for sale, and take a look at our online inventory of new vehicle specials. Explore more vehicle comparisons, or speak with a member of our sales team to discuss your leasing options. Contact us today for more details on the C-Class vs. 3 Series and to schedule an appointment at our dealership right here in Portland!


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