BMW Z4 Ground Clearance in Quick-to-Read Graphs

Ride height changes trhough history

- Estimated clearance for generation: 116 mm (4.6 in)
- Offroad abilities: poor
- Ride height per person: 58 mm (2.3 in)
- Clearance when loaded: 84 — 96 mm (3.3 — 3.8 in)
- Risk of damage on bad road: high
- Clearance to tire height: 116 mm / 109 mm
- Ride height to disc diameter: 116 mm / 440 mm
- Clearance on larger wheels (+1 in): 128 mm
- Difference with world average: -45 mm
- Clearancell rating: 2 / 10

30i — 2.2 hp/mm

20i — 1.7 hp/mm

M40i — 3 hp/mm

30i — 3.4 Nm/mm

20i — 2.7 Nm/mm

M40i — 4.4 Nm/mm

30i — 20 mm to 1 L/100 km

20i — 17 mm to 1 L/100 km

M40i — 16 mm to 1 L/100 km

Vehicle	Clearance	Ride height to engine cc	Safe road bump height	Difference from world average	Ride height to car height
30i	117 mm (4.6 in)	59 mm/L	84 mm (3.3 in)	-38%	9
20i	117 mm (4.6 in)	59 mm/L	84 mm (3.3 in)	-38%	9
M40i	114 mm (4.5 in)	38 mm/L	81 mm (3.2 in)	-41%	8.7

Vehicle	30i
Clearance	117 mm (4.6 in)
Ride height to engine cc	59 mm/L
Safe road bump height	84 mm (3.3 in)
Difference from world average	-38%
Ride height to car height	9%
Vehicle	20i
Clearance	117 mm (4.6 in)
Ride height to engine cc	59 mm/L
Safe road bump height	84 mm (3.3 in)
Difference from world average	-38%
Ride height to car height	9%
Vehicle	M40i
Clearance	114 mm (4.5 in)
Ride height to engine cc	38 mm/L
Safe road bump height	81 mm (3.2 in)
Difference from world average	-41%
Ride height to car height	8.7%

- Estimated clearance for generation: 129 mm (5.1 in)
- Offroad abilities: poor
- Ride height per person: 64.5 mm (2.5 in)
- Clearance when loaded: 97 — 109 mm (3.8 — 4.3 in)
- Risk of damage on bad road: high
- Clearance to tire height: 129 mm / 99 mm
- Ride height to disc diameter: 129 mm / 437 mm
- Clearance on larger wheels (+1 in): 141 mm
- Difference with world average: -32 mm
- Clearancell rating: 2 / 10

35i — 2.4 hp/mm

20i — 1.4 hp/mm

28i — 1.9 hp/mm

18i — 1.2 hp/mm

35is — 2.7 hp/mm

35i — 3.1 Nm/mm

20i — 2.1 Nm/mm

28i — 2.7 Nm/mm

18i — 1.8 Nm/mm

35is — 3.6 Nm/mm

35i — 14 mm to 1 L/100 km

20i — 19 mm to 1 L/100 km

28i — 19 mm to 1 L/100 km

18i — 19 mm to 1 L/100 km

35is — 14 mm to 1 L/100 km

Vehicle	Clearance	Ride height to engine cc	Safe road bump height	Difference from world average	Ride height to car height
35i	130 mm (5.1 in)	44 mm/L	97 mm (3.8 in)	-24%	10.1
20i	130 mm (5.1 in)	65 mm/L	97 mm (3.8 in)	-24%	10.1
28i	130 mm (5.1 in)	65 mm/L	97 mm (3.8 in)	-24%	10.1
18i	130 mm (5.1 in)	65 mm/L	97 mm (3.8 in)	-24%	10.1
35is	124 mm (4.9 in)	42 mm/L	91 mm (3.6 in)	-30%	9.7

Vehicle	35i
Clearance	130 mm (5.1 in)
Ride height to engine cc	44 mm/L
Safe road bump height	97 mm (3.8 in)
Difference from world average	-24%
Ride height to car height	10.1%
Vehicle	20i
Clearance	130 mm (5.1 in)
Ride height to engine cc	65 mm/L
Safe road bump height	97 mm (3.8 in)
Difference from world average	-24%
Ride height to car height	10.1%
Vehicle	28i
Clearance	130 mm (5.1 in)
Ride height to engine cc	65 mm/L
Safe road bump height	97 mm (3.8 in)
Difference from world average	-24%
Ride height to car height	10.1%
Vehicle	18i
Clearance	130 mm (5.1 in)
Ride height to engine cc	65 mm/L
Safe road bump height	97 mm (3.8 in)
Difference from world average	-24%
Ride height to car height	10.1%
Vehicle	35is
Clearance	124 mm (4.9 in)
Ride height to engine cc	42 mm/L
Safe road bump height	91 mm (3.6 in)
Difference from world average	-30%
Ride height to car height	9.7%