The Comparative Analysis :

BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11) vs. BMW Z4 Roadster sDrive35i Sport-Automatic DKG (09 - 13)

€ 38,800
BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11) Z4 Roadster sDrive23i
€ 51,700
 BMW Z4 Roadster sDrive35i Sport-Automatic DKG (09 - 13) Z4 Roadster sDrive35i
€ 38,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 51,700

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of the Z4 Roadster sDrive23i and the Z4 Roadster sDrive35i are absolutely identical. Both are 166.9 inches long, 70.5 inches wide and 50.8 inches tall.
Z4 Roadster sDrive23i
Z4 Roadster sDrive35i
50.8
Blueprint BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11)
70.5
76.8
50.8
Blueprint BMW Z4 Roadster sDrive35i Sport-Automatic DKG (09 - 13)
70.5
76.8
70.5 in
Width
70.5 in
76.8 in
Width Incl. Mirrors
76.8 in
50.8 in
Height
50.8 in
Blueprint BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11)
98.3
166.9
Blueprint BMW Z4 Roadster sDrive35i Sport-Automatic DKG (09 - 13)
98.3
166.9
166.9 in
Length
166.9 in
98.3 in
Wheelbase
98.3 in

Vehicle Weight

Z4 Roadster sDrive23i
Z4 Roadster sDrive35i
3318 lb
Curb Weight
3527 lb
3880 lb
Gross Vehicle
Weight
4090 lb
BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11)
Weight Difference:
209 lb
5.93 %
BMW Z4 Roadster sDrive35i Sport-Automatic DKG (09 - 13)

General

Z4 Roadster sDrive23i
Z4 Roadster sDrive35i
E89
Generation
E89
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

Z4 Roadster sDrive23i
Z4 Roadster sDrive35i
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N52
Engine Series
BMW N54
N52-B25
Engine Code
N54-B30
4
Valves
4
6
Cylinders
6
2.5 L / 122 cu in
Displacement
3 L / 147 cu in
201 hp
at 6300 rpm
Power
302 hp
at 5800 rpm
Z4 Roadster sDrive23i
201 hp
302 hp
Z4 Roadster sDrive35i
184 lb‑ft
at 2750 rpm
Max. Torque
295 lb‑ft
at 1300 rpm
Z4 Roadster sDrive23i
184 lb‑ft
295 lb‑ft
Z4 Roadster sDrive35i

Performance

Z4 Roadster sDrive23i
Z4 Roadster sDrive35i
149 mph
Maximum Speed
155 mph
7.3 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph 62
mph

331 ft
0.000 sec

Z4 Roadster sDrive23i

62 mph 62
mph

233 ft
0.000 sec

Z4 Roadster sDrive35i

▶ REPLAY
16.51 lb/hp
Weight-to-Power Ratio
11.68 lb/hp
Z4 Roadster sDrive23i
16.51 lb/hp
11.68 lb/hp
Z4 Roadster sDrive35i

Fuel Economy / Emissions

Z4 Roadster sDrive23i
Z4 Roadster sDrive35i
Fuel Economy
29 mpg
combined
26 mpg
Z4 Roadster sDrive23i
29 mpg
26 mpg
Z4 Roadster sDrive35i
20 mpg
city
19 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
417 mi
Range
380 mi
Z4 Roadster sDrive23i
417 mi
380 mi
Z4 Roadster sDrive35i
Environmental Impact
155.3 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).
170.4 kWh
Z4 Roadster sDrive23i
155.3 kWh
170.4 kWh
Z4 Roadster sDrive35i
Euro 5
Emission Standard
Euro 5
309 g/mi (NEFZ)
CO2 Emissions
338 g/mi (NEFZ)

Practical Convenience

Z4 Roadster sDrive23i
Z4 Roadster sDrive35i
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
562 lb
8.8 cu ft
Trunk Volume
8.8 cu ft
No data
Cargo Volume (Seats Down)
No data