2025 BMW Z4 M40i Roadster Tire And Wheel Sizes Specs
Tire And Wheel Sizes Specs
| Front Tire Size | P255/40YR18 |
|---|
| Rear Tire Size | P275/40YR18 |
|---|
| Front Wheel Size | 18 X 9 |
|---|
| Rear Wheel Size | 18 X 10 |
|---|
| Front Wheel Material | Aluminum |
|---|
| Rear Wheel Material | Aluminum |
|---|
All Available Specs
Basics
| Year |
2025 |
| Make |
BMW |
| Model |
Z4 |
| Trim |
M40i Roadster |
| Vehicle Type |
Luxury |
Seating & Access
Powertrain
| Engine Configuration |
6 Cyl. |
| Engine Size (L) |
3.0 L |
| Engine Size (cu in) |
183.1 cu in |
| Fuel Type |
Premium Unleaded |
| Engine Induction |
Turbo |
| Transmission |
8-Speed Sport Automatic |
| Drivetrain |
Rear Wheel Drive |
Power & Performance
| Horsepower |
382 HP |
| Horsepower RPM |
5,800 rpm |
| Torque |
369 ft-lbs |
| Torque RPM |
1,800 rpm |
| HP/Liter |
127.3 HP/L |
| HP/Cubic Inch |
2.1 HP/cu in |
Fuel Efficiency
| City MPG |
23 mpg |
| City L/100km |
10.2 L/100km |
| Highway MPG |
29 mpg |
| Highway L/100km |
8.1 L/100km |
| Combined MPG |
26 mpg |
| Combined L/100km |
9.0 L/100km |
Fuel Tank & Range
| Gas Tank Size (gal) |
13.7 gal |
| Gas Tank Size (L) |
51.9 L |
| City Range (miles) |
315 miles |
| City Range (km) |
507 km |
| Highway Range (miles) |
397 miles |
| Highway Range (km) |
639 km |
| Combined Range (miles) |
356 miles |
| Combined Range (km) |
573 km |
Tires
| Front Tire Size |
P255/40YR18 |
| Front Tire Width |
255 |
| Front Tire Aspect Ratio |
40 |
| Front Rim Size |
18 |
| Rear Tire Size |
P275/40YR18 |
| Rear Tire Width |
275 |
| Rear Tire Aspect Ratio |
40 |
| Rear Rim Size |
18 |
Wheels
| Front Wheel Size |
18 X 9 |
| Rear Wheel Size |
18 X 10 |
| Front Wheel Material |
Aluminum |
| Rear Wheel Material |
Aluminum |
Weight & Capacity
| Curb Weight (lbs) |
3,543 lbs |
| Weight to HP Ratio |
9.3 lbs/HP |
Legroom
| First Row Legroom (in) |
42.2 in. |
| First Row Legroom (cm) |
107 cm |
Headroom
| First Row Headroom (in) |
38.9 in. |
| First Row Headroom (cm) |
99 cm |
Turning Measurements
| Turning Diameter C2C (ft) |
36.1 ft |
| Turning Diameter C2C (m) |
11.0 m |
Ground Clearance
| Min Ground Clearance (in) |
4.7 in. |
| Min Ground Clearance (cm) |
11.9 cm |
Height & Length
| Height (in) |
51 in. |
| Height (cm) |
130 cm |
| Height (ft) |
4.3 ft |
| Height (m) |
1.3 m |
| Length (in) |
170 in. |
| Length (cm) |
433 cm |
| Length (ft) |
14.2 ft |
| Length (m) |
4.3 m |
Width & Track
| Front Track Width (in) |
62 in. |
| Front Track Width (cm) |
159 cm |
| Rear Track Width (in) |
62 in. |
| Rear Track Width (cm) |
159 cm |
| Width w/o Mirrors (in) |
73 in. |
| Width w/o Mirrors (cm) |
186 cm |
| Width w/o Mirrors (ft) |
6.1 ft |
| Width w/o Mirrors (m) |
1.9 m |
Wheelbase
| Wheelbase (in) |
97 in. |
| Wheelbase (cm) |
246 cm |
| Wheelbase (ft) |
8.1 ft |
| Wheelbase (m) |
2.5 m |