The Comparative Analysis :
BMW Z4 Roadster M40i Steptronic Sport (19 - ..) vs. BMW Z4 Roadster sDrive35i M DKG (13 - 16)
€ 61,000
€ 52,000
€ 61,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 52,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Z4 Roadster M40i is slightly bigger in every dimension. It's 3.3 inches longer, 2.9 inches wider and 0.5 inches taller than the Z4 Roadster sDrive35i.
Z4 Roadster M40i
Z4 Roadster sDrive35i
51.3
73.4
79.7
50.8
70.5
76.8
73.4 in
Width
70.5 in
79.7 in
Width Incl. Mirrors
76.8 in
51.3 in
Height
50.8 in
97.2
170.2
98.3
166.9
170.2 in
Length
166.9 in
97.2 in
Wheelbase
98.3 in
Vehicle Weight
Z4 Roadster M40i
Z4 Roadster sDrive35i
3549 lb
Curb Weight
3527 lb
4101 lb
Gross Vehicle
Weight
Weight
4090 lb
Weight Difference:
22 lb
0.62 %
General
Z4 Roadster M40i
Z4 Roadster sDrive35i
G29
Generation
E89
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Z4 Roadster M40i
Z4 Roadster sDrive35i
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
BMW B58
Engine Series
BMW N54
B58-B30
Engine Code
N54-B30


4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
335 hp
at 5000 rpm
Power
302 hp
at 5800 rpm
Z4 Roadster M40i
335 hp
302 hp
Z4 Roadster sDrive35i
369 lb‑ft
at 1600 rpm
Max. Torque
295 lb‑ft
at 1300 rpm
Z4 Roadster M40i
369 lb‑ft
295 lb‑ft
Z4 Roadster sDrive35i
Performance
Z4 Roadster M40i
Z4 Roadster sDrive35i
155 mph
Maximum Speed
155 mph
4.5 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
207 ft
0.000 sec
Z4 Roadster M40i
62 mph
62
mph
mph
233 ft
0.000 sec
Z4 Roadster sDrive35i
▶ REPLAY
10.59 lb/hp
Weight-to-Power Ratio
11.68 lb/hp
Z4 Roadster M40i
10.59 lb/hp
11.68 lb/hp
Z4 Roadster sDrive35i
Fuel Economy / Emissions
Z4 Roadster M40i
Z4 Roadster sDrive35i
Fuel Economy
33 mpg
combined
26 mpg
Z4 Roadster M40i
33 mpg
26 mpg
Z4 Roadster sDrive35i
26 mpg
city
19 mpg
No data
highway
No data
13.7 gal
Fuel Tank Capacity
14.5 gal
455 mi
Range
380 mi
Z4 Roadster M40i
455 mi
380 mi
Z4 Roadster sDrive35i
Environmental Impact
134.5 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
170.4 kWh
Z4 Roadster M40i
134.5 kWh
170.4 kWh
Z4 Roadster sDrive35i
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
307 g/mi (WLTP)
CO2 Emissions
338 g/mi (NEFZ)
Practical Convenience
Z4 Roadster M40i
Z4 Roadster sDrive35i
2
Doors
2
2
No. of Seats
2
551 lb
Maximum Payload
562 lb
8 cu ft
Trunk Volume
8.8 cu ft








No data
Cargo Volume (Seats Down)
No data















