BMW X3 vs BMW Z4 M40i

How does the BMW X3 stack up against the BMW Z4 M40i? We put their headline specs side by side so you can see exactly where each car leads.

BMW X3BMW X3
vs
BMW Z4 M40iBMW Z4 M40i
SpecBMW X3BMW Z4 M40i
Horsepower (max)463 hp382 hp
0-100 km/h (fastest)4.6 s4.4 s
Top speed250 km/h250 km/h
Variants61
Body styleMid-size SUVRoadster
GenerationG45G29
Production2024 – present2019 – 2026
Length4,755 mm4,324 mm
Width1,920 mm1,864 mm
Height1,660 mm1,304 mm
Wheelbase2,865 mm2,470 mm

BMW X3 vs BMW Z4 M40i: common questions

Is the BMW X3 or BMW Z4 M40i faster?
The BMW Z4 M40i is quicker, hitting 0-60 mph in 4.2s versus the BMW X3's 4.4s (0-100 km/h in 4.4s vs 4.6s).
Which has more horsepower, the BMW X3 or the BMW Z4 M40i?
The BMW X3 makes more power: 463 hp (345 kW) versus 382 hp (285 kW) for the BMW Z4 M40i.
Is the BMW X3 or BMW Z4 M40i faster on top speed?
Both cars top out at 155 mph (250 km/h).
What is the main difference between the BMW X3 and the BMW Z4 M40i?
The BMW X3 is a mid-size suv, while the BMW Z4 M40i is a roadster. That difference in body style drives most of the others.
BMW X3 specs →BMW Z4 M40i specs →