The Comparative Analysis :
BMW Z4 Roadster sDrive30i Steptronic Sport (19 - ..) vs. BMW Z4 Roadster sDrive23i (09 - 11)
€ 49,000
€ 36,400
€ 49,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 36,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Z4 Roadster sDrive30i 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 sDrive23i.
Z4 Roadster sDrive30i
Z4 Roadster sDrive23i
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 sDrive30i
Z4 Roadster sDrive23i
3318 lb
Curb Weight
3263 lb
3836 lb
Gross Vehicle
Weight
Weight
3825 lb
Weight Difference:
55 lb
1.66 %
General
Z4 Roadster sDrive30i
Z4 Roadster sDrive23i
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
6-speed manual transmission
Engine
Z4 Roadster sDrive30i
Z4 Roadster sDrive23i
Straight-four gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
BMW B48
Engine Series
BMW N52
B48-B20
Engine Code
N52-B25
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
2.5 L / 122 cu in
254 hp
at 5000 rpm
Power
201 hp
at 6300 rpm
Z4 Roadster sDrive30i
254 hp
201 hp
Z4 Roadster sDrive23i
295 lb‑ft
at 1550 rpm
Max. Torque
184 lb‑ft
at 2750 rpm
Z4 Roadster sDrive30i
295 lb‑ft
184 lb‑ft
Z4 Roadster sDrive23i
Performance
Z4 Roadster sDrive30i
Z4 Roadster sDrive23i
155 mph
Maximum Speed
150 mph
5.4 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
246 ft
0.000 sec
Z4 Roadster sDrive30i
62 mph
62
mph
mph
302 ft
0.000 sec
Z4 Roadster sDrive23i
▶ REPLAY
13.06 lb/hp
Weight-to-Power Ratio
16.23 lb/hp
Z4 Roadster sDrive30i
13.06 lb/hp
16.23 lb/hp
Z4 Roadster sDrive23i
Fuel Economy / Emissions
Z4 Roadster sDrive30i
Z4 Roadster sDrive23i
Fuel Economy
39 mpg
combined
28 mpg
Z4 Roadster sDrive30i
39 mpg
28 mpg
Z4 Roadster sDrive23i
32 mpg
city
19 mpg
No data
highway
No data
13.7 gal
Fuel Tank Capacity
14.5 gal
539 mi
Range
402 mi
Z4 Roadster sDrive30i
539 mi
402 mi
Z4 Roadster sDrive23i
Environmental Impact
113.6 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).
161.1 kWh
Z4 Roadster sDrive30i
113.6 kWh
161.1 kWh
Z4 Roadster sDrive23i
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
267 g/mi (WLTP)
CO2 Emissions
320 g/mi (NEFZ)
Practical Convenience
Z4 Roadster sDrive30i
Z4 Roadster sDrive23i
2
Doors
2
2
No. of Seats
2
518 lb
Maximum Payload
562 lb
8 cu ft
Trunk Volume
8.8 cu ft
No data
Cargo Volume (Seats Down)
No data
