The Comparative Analysis :

BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11) vs. BMW Z4 Roadster sDrive18i Automatic (13 - 16)

€ 45,800
BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11) Z4 Roadster sDrive30i
€ 36,600
 BMW Z4 Roadster sDrive18i Automatic (13 - 16) Z4 Roadster sDrive18i
€ 45,800
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 dimensions of the Z4 Roadster sDrive30i and the Z4 Roadster sDrive18i are absolutely identical. Both are 166.9 inches long, 70.5 inches wide and 50.8 inches tall.
Z4 Roadster sDrive30i
Z4 Roadster sDrive18i
50.8
Blueprint BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)
70.5
76.8
50.8
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
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 sDrive30i Sport-Automatic (09 - 11)
98.3
166.9
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
98.3
166.9
166.9 in
Length
166.9 in
98.3 in
Wheelbase
98.3 in

Vehicle Weight

Z4 Roadster sDrive30i
Z4 Roadster sDrive18i
3318 lb
Curb Weight
3296 lb
3880 lb
Gross Vehicle
Weight
3858 lb
BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)
Weight Difference:
22 lb
0.66 %
BMW Z4 Roadster sDrive18i Automatic (13 - 16)

General

Z4 Roadster sDrive30i
Z4 Roadster sDrive18i
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
8-speed automatic transmission

Engine

Z4 Roadster sDrive30i
Z4 Roadster sDrive18i
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW N52
Engine Series
BMW N20
N52-B30
Engine Code
N20-B20
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
254 hp
at 6600 rpm
Power
154 hp
at 5000 rpm
Z4 Roadster sDrive30i
254 hp
154 hp
Z4 Roadster sDrive18i
229 lb‑ft
at 2600 rpm
Max. Torque
177 lb‑ft
at 1250 rpm
Z4 Roadster sDrive30i
229 lb‑ft
177 lb‑ft
Z4 Roadster sDrive18i

Performance

Z4 Roadster sDrive30i
Z4 Roadster sDrive18i
155 mph
Maximum Speed
137 mph
6.1 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph 62
mph

279 ft
0.000 sec

Z4 Roadster sDrive30i

62 mph 62
mph

371 ft
0.000 sec

Z4 Roadster sDrive18i

▶ REPLAY
13.06 lb/hp
Weight-to-Power Ratio
21.4 lb/hp
Z4 Roadster sDrive30i
13.06 lb/hp
21.4 lb/hp
Z4 Roadster sDrive18i

Fuel Economy / Emissions

Z4 Roadster sDrive30i
Z4 Roadster sDrive18i
Fuel Economy
28 mpg
combined
35 mpg
Z4 Roadster sDrive30i
28 mpg
35 mpg
Z4 Roadster sDrive18i
20 mpg
city
25 mpg
No data
highway
No data
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
412 mi
Range
503 mi
Z4 Roadster sDrive30i
412 mi
503 mi
Z4 Roadster sDrive18i
Environmental Impact
157.2 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 sDrive30i
157.2 kWh
128.7 kWh
Z4 Roadster sDrive18i
Euro 5
Emission Standard
Euro 6b (NEFZ)
314 g/mi (NEFZ)
CO2 Emissions
256 g/mi (NEFZ)

Practical Convenience

Z4 Roadster sDrive30i
Z4 Roadster sDrive18i
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