Mercedes-Benz C-Class vs BMW 3 Series Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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User Ranking Drivers and owners ranked these cars in 9 categories.

New Car Pricing New listing price comparison and analysis.

2020 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
MSRP
$55,950
Invoice
$52,593
Average Price Paid
$50,212
9 listings nationwide

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2021 BMW 3 Series
300e xDrive Hybrid Plug-in AWD
MSRP
$46,550
Invoice
$43,790
Average Price Paid
$44,316
51 listings nationwide

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Pricing Analysis Price analysis based on recent sales data applied to current trim without options.

2020 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
Fair Price
$51,913
Good Price
$48,401
Great Price
$46,393
2021 BMW 3 Series
300e xDrive Hybrid Plug-in AWD
Fair Price
$45,354
Good Price
$43,957
Great Price
$43,158

Used Car Pricing Used listing price comparison and analysis.

2020 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
CarGurus Instant Market Value
$59,005
6 listings nationwide

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2021 BMW 3 Series
300e xDrive Hybrid Plug-in AWD
CarGurus Instant Market Value
$53,360
1 listings nationwide

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Expert Reviews Reviews from CarGurus experts.

2020 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
Christian Wardlaw Preview:

For 2020, every Mercedes-Benz C-Class receives more standard equipment. Mercedes-Benz makes its AMG Drive Unit, which is a driver-selectable traction system, optional for the AMG 43 co...

2021 BMW 3 Series
300e xDrive Hybrid Plug-in AWD
Michael Perkins Preview:

Hot off the heels of its seventh-generation debut, BWM's iconic sports sedan returns with a new trick up its sleeve: plug-in power. After tooling around Europe the last few years, the ...

User Reviews Reviews from CarGurus users who have driven or owned the car.

2020 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
Sparthan writes:
Looks/Style Ranked 2020 BMW M4 better.
"Its just like GRRRRR and the mercades reminds me of a dinner plate ."
Front Seats Ranked 2020 BMW M4 better.
"The seats are just soft and comfy the mercades is rigid and weird"
20
GuruXZZ35 writes:
Front Seats Ranked 2020 Acura TLX V6 A-Spec FWD with Technology Package better.
"Comfort"
Cargo Capacity Ranked 2020 Acura TLX V6 A-Spec FWD with Technology Package better.
"Seemed like a larger trunk. "
2021 BMW 3 Series
300e xDrive Hybrid Plug-in AWD
No User Reviews

Specs

2020 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD
2021 BMW 3 Series
300e xDrive Hybrid Plug-in AWD
Powertrain 9-Speed Automatic 8-Speed Automatic
Drivetrain
AWD
AWD
Fuel Economy, City
21 MPG
64 MPG
Fuel Economy, Highway
29 MPG
71 MPG
Fuel Tank Volume 17.4 gal 10.6 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
255 hp @ 5,800 RPM
--
Torque
273 lb-ft @ 1,800 RPM
--
Cylinders
4 cylinders
4 cylinders
Compression Ratio
10.5:1
10.2:1
Displacement
2,000 cc
2,000 cc
Bore x Stroke
3.27 in x 3.62 in
3.23 in x 3.72 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags Standard Standard
Rear Side Airbags Standard --
Curtain Airbags Standard Standard
NHTSA Crash Test Results
Comfort and Convenience
Sunroof/Moonroof -- Standard
Air Conditioning Standard Standard
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard Standard
Passenger Power Seats Standard Standard
Interior
Maximum Seating 4 seats 5 seats
Front Legroom 42 in 42 in
Back Legroom 32 in 35.2 in
Payload and Towing
Cargo Volume 8.8 cu ft 13.2 cu ft
Maximum Payload 882 lbs 891 lbs
Exterior
Length 184.5 in 185.7 in
Width 79.4 in 81.4 in
Height 55.5 in 56.9 in
Wheelbase 111.8 in 112.2 in

Available Options

2020 Mercedes-Benz C-Class
C 300 4MATIC Cabriolet AWD

Exterior Colors

  • Black
  • Brilliant Blue Metallic
  • DESIGNO Cardinal Red Metallic
  • DESIGNO Diamond White Metallic
  • DESIGNO Selenite Grey MAGNO
  • Graphite Grey Metallic
  • Iridium Silver Metallic
  • Lunar Blue Metallic
  • Mojave Silver Metallic
  • Obsidian Black Metallic
  • Polar White
  • Selenite Grey Metallic

Option Packages

  • 12.3" Digital Instrument Cluster
  • AMG Line
  • DESIGNO Bengal Red Nappa Leather Package
  • Driver Assistance Package
  • Exterior Lighting Package
  • MB Entry Navigation
  • Multimedia Package
  • Parking Assistance Package
  • Head-Up Display
  • Black, Leather Upholstery
  • Cranberry Red/Black, Leather Upholstery
  • Magma Grey/Black, Leather Upholstery
  • Porcelain/Black, Leather Upholstery
  • Saddle Brown/Black, Leather Upholstery
  • Wheels: 19" 10-Spoke
  • Wheels: 19" AMG MULTISPOKE
  • Wheels: 19" AMG MULTISPOKE W/Black Accents
  • Wheels: 19" AMG Twin 5-Spoke W/Black Accents
  • Wheels: 19" Twin 5-Spoke
2021 BMW 3 Series
300e xDrive Hybrid Plug-in AWD

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