Comparison Opel Astra G (facelift 2002) 2.0 16V Turbo OPC (200 Hp) & BMW Z4 (E85, facelift 2006) 2.5 si (218 Hp) Automatic
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| Brand: | Opel | BMW |
| Model: | Astra | Z4 |
| Generation: | Astra G (facelift 2002) | Z4 (E85, facelift 2006) |
| Engine / modification: | 2.0 16V Turbo OPC (200 Hp) | 2.5 si (218 Hp) Automatic |
| Production start: | 2002 year | 2006 year |
| Production end: | 2004 year | 2008 year |
| Coupe type: | Hatchback | Cabriolet |
| Num. of Doors: | 3 | 2 |
| Num. of seats: | 5 | 2 |
| Fuel consumption / economy - urban: | 12.5 l/100 km | 12.8 l/100 km |
| Fuel consumption / economy - extra urban: | 6.8 l/100 km | 6.8 l/100 km |
| Fuel consumption / economy - combined: | 8.9 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.32 | |
| Fuel tank volume: | 52 l | 55 l |
| CO2 emissions: | 214 g/km | |
| Power: | 200 hp | 218 hp |
| Max power in: | 5600 rpm. | 6500 rpm. |
| Maximum speed: | 229 km/h | 238 km/h |
| Acceleration from 0 to 100 km/h: | 7.5 sec | 6.9 sec |
| Torque: | 250 Nm @ 1950-5600 rpm. | 250 Nm @ 2750 rpm. |
| Model Engine: | Z20LET | |
| Engine position: | Front, transverse | Front, longitudinal |
| Engine displacement: | 1998 cm3 | 2497 cm3 |
| Engine oil capacity: | 4.25 l | |
| Coolant: | 7.4 l | |
| Fuel System: | Multi-point injection | Multi-point injection |
| Aspiration / Turbine: | Turbocharging | |
| Position of cylinders: | Inline | Inline |
| Valvetrain: | DOHC | DOHC |
| Number of cylinders: | 4 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 8.8 | 11 |
| Piston Stroke: | 86 mm | 78.8 mm |
| Cylinder Bore: | 86 mm | 82 mm |
| Wheel Drive: | Front wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | - | 6 |
| Number of Gears (manual transmission): | 5 | |
| Length: | 4110 mm | 4091 mm |
| Width: | 1709 mm | 1781 mm |
| Width including mirrors: | 1967 mm | |
| Height: | 1425 mm | 1299 mm |
| Wheelbase: | 2606 mm | 2495 mm |
| Front track: | 1464 mm | 1473 mm |
| Rear (Back) track: | 1452 mm | 1523 mm |
| Ride height(clearance): | 130 mm | |
| Front overhang: | 791 mm | |
| Rear overhang: | 713 mm | |
| Minimum volume of Luggage (trunk): | 370 l | |
| Maximum amount of Luggage (trunk): | 1180 l | 260 l |
| Front suspension: | Wishbone | Independent, Spring McPherson, with stabilizer |
| Rear suspension: | Suspension with traction connecting levers | Helical spring |
| Max weight: | 1770 kg | 1585 kg |
| Front brakes: | Ventilated discs | Disc |
| Rear brakes: | Disc | Disc |
| Kerb Weight: | 1250 kg | 1290 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | |
| Power steering: | Hydraulic Steering | |
| Tire size: | 215/40 R17 | 225/50 R16 |
| Wheel rims size: | 7.5J x 17 | R16 |