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

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2020 BMW 3 Series 330i Sedan RWD
Photo of 2018 model year shown

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Specs

2020 BMW 3 Series
330i Sedan RWD
2019 Mercedes-Benz B-Class
B 250 Sports Tourer AWD
Powertrain 8-Speed Automatic
Drivetrain
RWD
--
Fuel Economy, City
26 MPG
--
Fuel Economy, Highway
36 MPG
--
Fuel Tank Volume 15.6 gal --
Engine
Fuel Type
Gasoline
--
Power
255 hp @ 5,000 RPM
--
Torque
295 lb-ft @ 1,450 RPM
--
Cylinders
4 cylinders
--
Compression Ratio
10.2:1
--
Displacement
2,000 cc
--
Bore x Stroke
3.23 in x 3.72 in
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Safety
ABS Brakes Standard --
Driver Airbag Standard --
Passenger Airbag Standard --
Front Side Airbags Standard --
Curtain Airbags Standard --
Comfort and Convenience
Sunroof/Moonroof Standard --
Air Conditioning Standard --
Radio Standard --
Power Windows Standard --
Power Door Locks Standard --
Driver Power Seats Standard --
Passenger Power Seats Standard --
Interior
Maximum Seating 5 seats --
Front Legroom 42 in --
Back Legroom 35.2 in --
Payload and Towing
Cargo Volume 17 cu ft --
Exterior
Length 185.7 in --
Width 81.4 in --
Height 56.8 in --
Wheelbase 112.2 in --

Available Options

2020 BMW 3 Series
330i Sedan RWD
2019 Mercedes-Benz B-Class
B 250 Sports Tourer AWD

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