BMW 4 Series vs BMW Z4 Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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Specs

Interior
	2025 BMW 4 Series 2.0 420i M Sport (Pro Pack) Convertible 2d	2025 BMW Z4 2.0 sDrive20i M Sport
Powertrain	8-speed Automatic	8-speed Automatic
Drivetrain	RWD	RWD
Fuel economy, city	--	--
Fuel economy, motorway	--	--
Fuel tank volume	223 L	197 L
Engine
Fuel type	Petrol	Petrol
Power	135 kW	145 kW
Torque	366 N-m @ 4,600 RPM	434 N-m @ 4,200 RPM
Cylinders	4 cylinders	4 cylinders
Engine size	1,998 cc	1,998 cc
Maximum seating	4 seats	2 seats
Front legroom	--	--
Rear legroom	--	--
Exterior
Length	121.11 m	109.83 m
Width	52.86 m	51.41 m
Height	35.15 m	33.12 m
Wheelbase	72.42 m	62.74 m

2025 BMW 4 Series

2.0 420i M Sport (Pro Pack) Convertible 2d

2025 BMW Z4

2.0 sDrive20i M Sport

2025 BMW 4 Series

2.0 420i M Sport (Pro Pack) Convertible 2d

2025 BMW Z4

2.0 sDrive20i M Sport