The Comparative Analysis :
BMW Z4 Roadster sDrive23i (09 - 11) vs. Opel GT 2.0 Turbo (07 - 09)
€ 36,400
€ 32,400
€ 36,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 32,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The BMW Z4 Roadster sDrive23i is 5.5 inches longer, 0.9 inches narrower and 0.7 inches taller than the Opel GT 2.0 Turbo.
BMW Z4 Roadster sDrive23i
Opel GT 2.0 Turbo
50.8
70.5
76.8
50.2
71.4
71.9
70.5 in
Width
71.4 in
76.8 in
Width Incl. Mirrors
71.9 in
50.8 in
Height
50.2 in
98.3
166.9
95.1
161.4
166.9 in
Length
161.4 in
98.3 in
Wheelbase
95.1 in
Vehicle Weight
BMW Z4 Roadster sDrive23i
Opel GT 2.0 Turbo
3263 lb
Curb Weight
3100 lb
3825 lb
Gross Vehicle
Weight
Weight
3583 lb
Weight Difference:
163 lb
5 %
General
BMW Z4 Roadster sDrive23i
Opel GT 2.0 Turbo
E89
Generation
K/R
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
5-speed manual transmission
Engine
BMW Z4 Roadster sDrive23i
Opel GT 2.0 Turbo
Straight-six gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
BMW N52
Engine Series
N52-B25
Engine Code
4
Valves
4
6
Cylinders
4
2.5 L / 122 cu in
Displacement
2 L / 98 cu in
201 hp
at 6300 rpm
Power
260 hp
at 5300 rpm
BMW Z4 Roadster sDrive23i
201 hp
260 hp
Opel GT 2.0 Turbo
184 lb‑ft
at 2750 rpm
Max. Torque
260 lb‑ft
at 2000 rpm
BMW Z4 Roadster sDrive23i
184 lb‑ft
260 lb‑ft
Opel GT 2.0 Turbo
Performance
BMW Z4 Roadster sDrive23i
Opel GT 2.0 Turbo
150 mph
Maximum Speed
142 mph
6.6 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
302 ft
0.000 sec
BMW Z4 Roadster sDrive23i
62 mph
62
mph
mph
259 ft
0.000 sec
Opel GT 2.0 Turbo
▶ REPLAY
16.23 lb/hp
Weight-to-Power Ratio
11.92 lb/hp
BMW Z4 Roadster sDrive23i
16.23 lb/hp
11.92 lb/hp
Opel GT 2.0 Turbo
Fuel Economy / Emissions
BMW Z4 Roadster sDrive23i
Opel GT 2.0 Turbo
Fuel Economy
28 mpg
combined
26 mpg
BMW Z4 Roadster sDrive23i
28 mpg
26 mpg
Opel GT 2.0 Turbo
19 mpg
city
18 mpg
No data
highway
34 mpg
14.5 gal
Fuel Tank Capacity
11.9 gal
402 mi
Range
304 mi
BMW Z4 Roadster sDrive23i
402 mi
304 mi
Opel GT 2.0 Turbo
Environmental Impact
161.1 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).
174.3 kWh
BMW Z4 Roadster sDrive23i
161.1 kWh
174.3 kWh
Opel GT 2.0 Turbo
Euro 5
Emission Standard
Euro 4
320 g/mi (NEFZ)
CO2 Emissions
351 g/mi (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive23i
Opel GT 2.0 Turbo
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
483 lb
8.8 cu ft
Trunk Volume
4 cu ft
No data
Cargo Volume (Seats Down)
No data
