Comparison BMW Z4 (G29 LCI, facelift 2022) 20i (197 Hp) sDrive & Opel Commodore B Coupe 2.8 SC (130 Hp)
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| Brand: | BMW | Opel |
| Model: | Z4 | Commodore |
| Generation: | Z4 (G29 LCI, facelift 2022) | Commodore B Coupe |
| Engine / modification: | 20i (197 Hp) sDrive | 2.8 SC (130 Hp) |
| Production start: | 2022 year | 1973 year |
| Production end: | 1975 year | |
| Coupe type: | Roadster | Coupe |
| Powertrain Architecture: | Internal Combustion engine | |
| Num. of Doors: | 2 | 2 |
| Num. of seats: | 2 | 5 |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.31 | 0.45 |
| Fuel tank volume: | 52 l | 70 l |
| Combined fuel consumption (WLTP): | 7.1-7.4 l/100 km | |
| Emission standard: | Euro 6d | |
| Power: | 197 hp | 130 hp |
| Max power in: | 4500-6500 rpm. | 5000 rpm. |
| Maximum speed: | 241 km/h | 184 km/h |
| Acceleration from 0 to 100 km/h: | 6.8 sec | 11.5 sec |
| CO2 emissions (WLTP): | 159-166 g/km | |
| Torque: | 320 Nm @ 1450-4200 rpm. | 206 Nm/3800 rpm. |
| Model Engine: | B48 | |
| Engine position: | Front, longitudinal | |
| Engine displacement: | 1998 cm3 | 2784 cm3 |
| Engine oil capacity: | 5.25 l | |
| Fuel System: | Direct injection | Carburettor |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | VALVETRONIC, Double-VANOS | SOHC |
| Number of cylinders: | 4 | 6 |
| Number of valves per cylinder: | 4 | 2 |
| Compression ratio: | 10.2 | 9.5 |
| Piston Stroke: | 94.6 mm | 69.8 mm |
| Cylinder Bore: | 82 mm | 92 mm |
| Wheel Drive: | Rear wheel drive | |
| Number of Gears (manual transmission): | 4 | |
| Length: | 4324 mm | 4607 mm |
| Width: | 1864 mm | 1728 mm |
| Height: | 1304 mm | 1370 mm |
| Wheelbase: | 2470 mm | 2668 mm |
| Front track: | 1618 mm | 1434 mm |
| Rear (Back) track: | 1613 mm | 1400 mm |
| Ride height(clearance): | 117 mm | 140 mm |
| Minimum volume of Luggage (trunk): | 281 l | 434 l |
| Max weight: | 1725 kg | 1615 kg |
| Front brakes: | Ventilated discs | Disc |
| Rear brakes: | Ventilated discs | Drum |
| Kerb Weight: | 1435 kg | 1190 kg |
| Steering type: | Steering rack and pinion | |
| Power steering: | Electric Steering | |
| Minimum turning circle (turning diameter): | 11 m | 11.2 m |
| Tire size: | Front wheel tires: 225/45 R18 | |
| Wheel rims size: | Front wheel rims: 8J x 18 |