The Comparative Analysis :
Opel GT 2.0 Turbo (07 - 09) vs. BMW Z4 Roadster sDrive28i Sport-Automatic (11 - 13)
€ 32,400
€ 46,000
€ 32,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,000
ⓘ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 Opel GT 2.0 Turbo is 5.5 inches shorter, 0.9 inches wider and 0.7 inches lower than the BMW Z4 Roadster sDrive28i.
Opel GT 2.0 Turbo
BMW Z4 Roadster sDrive28i
50.2
71.4
71.9
50.8
70.5
76.8
71.4 in
Width
70.5 in
71.9 in
Width Incl. Mirrors
76.8 in
50.2 in
Height
50.8 in
95.1
161.4
98.3
166.9
161.4 in
Length
166.9 in
95.1 in
Wheelbase
98.3 in
Vehicle Weight
Opel GT 2.0 Turbo
BMW Z4 Roadster sDrive28i
3100 lb
Curb Weight
3296 lb
3583 lb
Gross Vehicle
Weight
Weight
3858 lb
Weight Difference:
196 lb
5.95 %
General
Opel GT 2.0 Turbo
BMW Z4 Roadster sDrive28i
K/R
Generation
E89
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
5-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Opel GT 2.0 Turbo
BMW Z4 Roadster sDrive28i
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
Engine Series
BMW N20
Engine Code
N20-B20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
260 hp
at 5300 rpm
Power
242 hp
at 5000 rpm
Opel GT 2.0 Turbo
260 hp
242 hp
BMW Z4 Roadster sDrive28i
260 lb‑ft
at 2000 rpm
Max. Torque
258 lb‑ft
at 1250 rpm
Opel GT 2.0 Turbo
260 lb‑ft
258 lb‑ft
BMW Z4 Roadster sDrive28i
Performance
Opel GT 2.0 Turbo
BMW Z4 Roadster sDrive28i
142 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
259 ft
0.000 sec
Opel GT 2.0 Turbo
62 mph
62
mph
mph
259 ft
0.000 sec
BMW Z4 Roadster sDrive28i
▶ REPLAY
11.92 lb/hp
Weight-to-Power Ratio
13.62 lb/hp
Opel GT 2.0 Turbo
11.92 lb/hp
13.62 lb/hp
BMW Z4 Roadster sDrive28i
Fuel Economy / Emissions
Opel GT 2.0 Turbo
BMW Z4 Roadster sDrive28i
Fuel Economy
26 mpg
combined
35 mpg
Opel GT 2.0 Turbo
26 mpg
35 mpg
BMW Z4 Roadster sDrive28i
18 mpg
city
26 mpg
34 mpg
highway
No data
11.9 gal
Fuel Tank Capacity
14.5 gal
304 mi
Range
503 mi
Opel GT 2.0 Turbo
304 mi
503 mi
BMW Z4 Roadster sDrive28i
Environmental Impact
174.3 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).
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
Opel GT 2.0 Turbo
174.3 kWh
128.7 kWh
BMW Z4 Roadster sDrive28i
Euro 4
Emission Standard
Euro 5
351 g/mi (NEFZ)
CO2 Emissions
256 g/mi (NEFZ)
Practical Convenience
Opel GT 2.0 Turbo
BMW Z4 Roadster sDrive28i
2
Doors
2
2
No. of Seats
2
483 lb
Maximum Payload
562 lb
4 cu ft
Trunk Volume
8.8 cu ft
No data
Cargo Volume (Seats Down)
No data
