Comparison BMW 3 Series (E21) 320i (125 Hp) Automatic & Renault Laguna 3.0 V6 RXE (170 Hp) & Opel Astra G (facelift 2002) 2.2 16 V (147 Hp) Automatic
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| Brand: | BMW | Renault | Opel |
| Model: | 3 Series | Laguna | Astra |
| Generation: | 3 Series (E21) | Laguna | Astra G (facelift 2002) |
| Engine / modification: | 320i (125 Hp) Automatic | 3.0 V6 RXE (170 Hp) | 2.2 16 V (147 Hp) Automatic |
| Production start: | 1975 year | 1993 year | 2002 year |
| Production end: | 1977 year | 2000 year | 2004 year |
| Coupe type: | Sedan | Hatchback | Hatchback |
| Num. of Doors: | 2 | 5 | 3/5 |
| Num. of seats: | 5 | 5 | 5 |
| Fuel consumption / economy - urban: | 11.7 l/100 km | ||
| Fuel consumption / economy - extra urban: | 6.6 l/100 km | ||
| Fuel consumption / economy - combined: | 11.1 l/100 km | 8.5 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.32 | ||
| Fuel tank volume: | 58 l | 66 l | 52 l |
| Power: | 125 hp | 170 hp | 147 hp |
| Max power in: | 5800 rpm. | 5500 rpm. | 5800 rpm. |
| Maximum speed: | 220 km/h | 208 km/h | |
| Acceleration from 0 to 100 km/h: | 8.6 sec | 10 sec | |
| Torque: | 170 Nm @ 4000 rpm. | 235 Nm @ 4500 rpm. | 203 Nm @ 4000 rpm. |
| Model Engine: | M10 | Z7X | Z22SE |
| Engine position: | Front, longitudinal | Front, transverse | Front, transverse |
| Engine displacement: | 1990 cm3 | 2963 cm3 | 2198 cm3 |
| Engine oil capacity: | 4.0 l | 7 l | 5 l |
| Coolant: | 10 l | 6.8 l | |
| Fuel System: | Multi-point injection | Multi-point injection | Multi-point injection |
| Position of cylinders: | Inline | V engine | Inline |
| Valvetrain: | OHC | DOHC | |
| Number of cylinders: | 6 | 6 | 4 |
| Number of valves per cylinder: | 2 | 2 | 4 |
| Compression ratio: | 9.7 | 9.6 | 10 |
| Piston Stroke: | 66 mm | 72.7 mm | 94.6 mm |
| Cylinder Bore: | 80 mm | 93 mm | 86 mm |
| Wheel Drive: | Rear wheel drive | Front wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 3 | 4 | 4 |
| Number of Gears (manual transmission): | 5 | ||
| Length: | 4355 mm | 4508 mm | 4110 mm |
| Width: | 1610 mm | 1752 mm | 1709 mm |
| Width including mirrors: | 1967 mm | ||
| Height: | 1380 mm | 1432 mm | 1425 mm |
| Wheelbase: | 2563 mm | 2670 mm | 2606 mm |
| Front track: | 1366 mm | 1480 mm | 1464 mm |
| Rear (Back) track: | 1373 mm | 1456 mm | 1452 mm |
| Ride height(clearance): | 145 mm | 160 mm | |
| Front overhang: | 791 mm | ||
| Rear overhang: | 713 mm | ||
| Minimum volume of Luggage (trunk): | 404 l | 452 l | 370 l |
| Maximum amount of Luggage (trunk): | 884 l | 1180 l | |
| Front suspension: | The depreciated rack | Wishbone | |
| Rear suspension: | Torsion | Suspension with traction connecting levers | |
| Max weight: | 1935 kg | 1765 kg | |
| Front brakes: | Disc | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Disc | Disc |
| Kerb Weight: | 1090 kg | 1370 kg | 1195 kg |
| ABS: | yes | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Hydraulic Steering | |
| Tire size: | 205/60 R15 | 195/60 R15 | |
| Wheel rims size: | R15 | R15 |