BMW 4 Series vs BMW X4 Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2025 BMW 4 Series 2.0 420i M Sport (Pro Pack) Convertible 2d
Photo of 2020 model year shown

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2025 BMW X4 2.0TD xDrive20d M Sport (MHT)
Photo of 2018 model year shown

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Specs

2025 BMW 4 Series
2.0 420i M Sport (Pro Pack) Convertible 2d
2025 BMW X4
2.0TD xDrive20d M Sport (MHT)
Powertrain 8-speed Automatic 8-speed Automatic
Drivetrain
RWD
4X4
Fuel economy, city -- --
Fuel economy, motorway -- --
Fuel tank volume 223 L 257 L
Engine
Fuel type
Petrol
Diesel
Power
135 kW
139 kW
Torque
407 N-m @ 4,000 RPM
542 N-m @ 2,500 RPM
Cylinders
4 cylinders
4 cylinders
Engine size
1,998 cc
1,995 cc
Interior
Maximum seating 4 seats 5 seats
Front legroom -- --
Rear legroom -- --
Exterior
Length 121.11 m 120.68 m
Width 52.86 m 54.31 m
Height 35.15 m 41.17 m
Wheelbase 72.42 m 72.75 m

Available Options

2025 BMW 4 Series
2.0 420i M Sport (Pro Pack) Convertible 2d
2025 BMW X4
2.0TD xDrive20d M Sport (MHT)

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