The Comparative Analysis :

BMW Z4 Roadster M40i Steptronic Sport (19 - ..) vs. BMW Z4 Roadster sDrive18i Automatic (13 - 16)

€ 61,000
BMW Z4 Roadster M40i Steptronic Sport (19 - ..) Z4 Roadster M40i
€ 36,600
 BMW Z4 Roadster sDrive18i Automatic (13 - 16) Z4 Roadster sDrive18i
€ 61,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 36,600

ⓘ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 sDrive18i.
Z4 Roadster M40i
Z4 Roadster sDrive18i
51.3
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
73.4
79.7
50.8
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
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
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
97.2
170.2
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
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 sDrive18i
3549 lb
Curb Weight
3296 lb
4101 lb
Gross Vehicle
Weight
3858 lb
BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
Weight Difference:
254 lb
7.16 %
BMW Z4 Roadster sDrive18i Automatic (13 - 16)

General

Z4 Roadster M40i
Z4 Roadster sDrive18i
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
8-speed automatic transmission

Engine

Z4 Roadster M40i
Z4 Roadster sDrive18i
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW B58
Engine Series
BMW N20
B58-B30
Engine Code
N20-B20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
335 hp
at 5000 rpm
Power
154 hp
at 5000 rpm
Z4 Roadster M40i
335 hp
154 hp
Z4 Roadster sDrive18i
369 lb‑ft
at 1600 rpm
Max. Torque
177 lb‑ft
at 1250 rpm
Z4 Roadster M40i
369 lb‑ft
177 lb‑ft
Z4 Roadster sDrive18i

Performance

Z4 Roadster M40i
Z4 Roadster sDrive18i
155 mph
Maximum Speed
137 mph
4.5 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph 62
mph

207 ft
0.000 sec

Z4 Roadster M40i

62 mph 62
mph

371 ft
0.000 sec

Z4 Roadster sDrive18i

▶ REPLAY
10.59 lb/hp
Weight-to-Power Ratio
21.4 lb/hp
Z4 Roadster M40i
10.59 lb/hp
21.4 lb/hp
Z4 Roadster sDrive18i

Fuel Economy / Emissions

Z4 Roadster M40i
Z4 Roadster sDrive18i
Fuel Economy
33 mpg
combined
35 mpg
Z4 Roadster M40i
33 mpg
35 mpg
Z4 Roadster sDrive18i
26 mpg
city
25 mpg
No data
highway
No data
Kraftstoffanzeige
13.7 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
455 mi
Range
503 mi
Z4 Roadster M40i
455 mi
503 mi
Z4 Roadster sDrive18i
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).
128.7 kWh
Z4 Roadster M40i
134.5 kWh
128.7 kWh
Z4 Roadster sDrive18i
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
307 g/mi (WLTP)
CO2 Emissions
256 g/mi (NEFZ)

Practical Convenience

Z4 Roadster M40i
Z4 Roadster sDrive18i
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