Comparison Buick Regal II Coupe (facelift 1981) 4.3 V8 (121 Hp) Automatic & Vauxhall Astravan Mk III 1.7 TD (68 Hp) & Peugeot 307 CC 2.0 i 16V RC (177 Hp)
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| Brand: | Buick | Vauxhall | Peugeot |
| Model: | Regal | Astra | 307 |
| Generation: | Regal II Coupe (facelift 1981) | Astravan Mk III | 307 CC |
| Engine / modification: | 4.3 V8 (121 Hp) Automatic | 1.7 TD (68 Hp) | 2.0 i 16V RC (177 Hp) |
| Production start: | 1981 year | 1994 year | 2003 year |
| Production end: | 1987 year | 1998 year | 2005 year |
| Coupe type: | Coupe | Combi | Coupe - Cabriolet |
| Num. of Doors: | 2 | 3 | 2 |
| Num. of seats: | 5 | 2 | 2+2 |
| Fuel consumption / economy - urban: | 13.1 l/100 km | 12.4 l/100 km | |
| Fuel consumption / economy - extra urban: | 8.7 l/100 km | 6.8 l/100 km | |
| Fuel consumption / economy - combined: | 11.2 l/100 km | 8.8 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.45 | 0.31 | |
| Fuel tank volume: | 68 l | 60 l | |
| Emission standard: | EURO VI | Euro 3 | |
| CO2 emissions: | 107 g/km | 210 g/km | |
| Power: | 121 hp | 68 hp | 177 hp |
| Max power in: | 4000 rpm. | 7000 rpm. | |
| Maximum speed: | 170 km/h | 205 km/h | |
| Acceleration from 0 to 100 km/h: | 14.0 sec | 9.4 sec | |
| Torque: | 275 Nm @ 2000 rpm. | 202 Nm @ 4750 rpm. | |
| Model Engine: | LS5 | EW10J4S | |
| Engine position: | Front, longitudinal | Front, transverse | |
| Engine displacement: | 4344 cm3 | 1997 cm3 | |
| Engine oil capacity: | 4.7 l | 5.5 l | |
| Coolant: | 20.0 l | 6.6 l | |
| Fuel System: | Carburettor | Multi-point injection | |
| Position of cylinders: | V engine | Inline | |
| Valvetrain: | DOHC, Ti-VCT | DOHC | |
| Number of cylinders: | 8 | 4 | |
| Number of valves per cylinder: | 2 | 4 | |
| Compression ratio: | 8 | 11 | |
| Piston Stroke: | 76.2 mm | 88 mm | |
| Cylinder Bore: | 95.25 mm | 85 mm | |
| Wheel Drive: | Front wheel drive | Front wheel drive | |
| Number of Gears (automatic transmission): | 3 Hydramatic | - | |
| Number of Gears (manual transmission): | 5 | 5 | |
| Length: | 5095 mm | 4275 mm | 4349 mm |
| Width: | 1819 mm | 1696 mm | 1759 mm |
| Width with mirrors folded: | 1783 mm | ||
| Width including mirrors: | 1941 mm | ||
| Height: | 1374 mm | 1475 mm | 1417 mm |
| Wheelbase: | 2746 mm | 2517 mm | 2608 mm |
| Front track: | 1486 mm | 1497 mm | |
| Rear (Back) track: | 1468 mm | 1506 mm | |
| Ride height(clearance): | 120 mm | ||
| Minimum volume of Luggage (trunk): | 459 l | 205 l | |
| Maximum amount of Luggage (trunk): | 1093 l | 350 l | |
| Front suspension: | Independent, spring | The depreciated rack | |
| Rear suspension: | Suspension De-Dion | Torsion | |
| Max weight: | 1600 kg | 1870 kg | |
| Front brakes: | Ventilated discs | Ventilated discs | |
| Rear brakes: | Drum | Disc | |
| Kerb Weight: | 1550 kg | 1490 kg | |
| ABS: | yes | yes | |
| Steering type: | Cone worm with recirculation balls | Steering rack and pinion | |
| Power steering: | Electric Steering | ||
| Max. roof load: | 50 kg | ||
| Minimum turning circle (turning diameter): | 12.8 m | 11.1 m | |
| Permitted trailer load with brakes (12%): | 1300 kg | ||
| Permitted trailer load without brakes: | 730 kg | ||
| Tire size: | 195/75 R14 | 205/50 R17 | |
| Wheel rims size: | R14 | R17 |