Comparison Chevrolet Corvette Coupe (C3, facelift 1978) 5.7 V8 (230 Hp) Automatic & Porsche 911 Targa (991 II) 4S 3.0 (420 Hp)
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| Brand: | Chevrolet | Porsche |
| Model: | Corvette | 911 |
| Generation: | Corvette Coupe (C3, facelift 1978) | 911 Targa (991 II) |
| Engine / modification: | 5.7 V8 (230 Hp) Automatic | 4S 3.0 (420 Hp) |
| Production start: | 1980 year | 2015 year |
| Production end: | 1982 year | |
| Coupe type: | Coupe | Targa |
| Num. of Doors: | 3 | 2 |
| Num. of seats: | 2 | 2+2 |
| Fuel consumption / economy - urban: | 12.6 l/100 km | |
| Fuel consumption / economy - extra urban: | 6.8 l/100 km | |
| Fuel consumption / economy - combined: | 9 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.3 | |
| Fuel tank volume: | 90 l | 68 l |
| Emission standard: | EURO VI | |
| CO2 emissions: | 208 g/km | |
| Power: | 230 hp | 420 hp |
| Max power in: | 5200 rpm. | 6500 rpm. |
| Maximum speed: | 303 km/h | |
| Acceleration from 0 to 100 km/h: | 4.4 sec | |
| Torque: | 373 Nm @ 3600 rpm. | 500 Nm/1700-5000 rpm. |
| Model Engine: | L82 | |
| Engine position: | Front, longitudinal | Rear, longitudinal |
| Engine displacement: | 5735 cm3 | 2981 cm3 |
| Engine oil capacity: | 4.7 l | 13.1 l |
| Coolant: | 20 l | |
| Fuel System: | Carburettor | Direct injection |
| Aspiration / Turbine: | BiTurbo | |
| Position of cylinders: | Boxer | |
| Valvetrain: | OHV | DOHC |
| Number of cylinders: | 8 | 6 |
| Number of valves per cylinder: | 2 | 4 |
| Compression ratio: | 9 | 10 |
| Piston Stroke: | 88.39 mm | 76.4 mm |
| Cylinder Bore: | 101.6 mm | 91 mm |
| Wheel Drive: | Rear wheel drive | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 3 | |
| Number of Gears (manual transmission): | 7 | |
| Length: | 4704 mm | 4499 mm |
| Width: | 1753 mm | 1852 mm |
| Width including mirrors: | 1978 mm | |
| Height: | 1219 mm | 1293 mm |
| Wheelbase: | 2489 mm | 2450 mm |
| Front track: | 1491 mm | 1543 mm |
| Rear (Back) track: | 1511 mm | 1558 mm |
| Ride height(clearance): | 109 mm | |
| Minimum volume of Luggage (trunk): | 125+160 l | |
| Front suspension: | Double wishbone | McPherson |
| Rear suspension: | Independent, spring multi-link with stabilizer | |
| Max weight: | 2025 kg | |
| Front brakes: | Ventilated discs | |
| Rear brakes: | Ventilated discs | |
| Kerb Weight: | 1596 kg | 1580 kg |
| ABS: | yes | |
| Steering type: | Cone worm with recirculation balls | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Electric Steering |
| Minimum turning circle (turning diameter): | 11.8 m | |
| Tire size: | Front wheel tires: 225/70 R15 | 245/35 ZR 20; 305/30 ZR 20 |
| Wheel rims size: | Front wheel rims: 8J x 15 | 8.5 J x 20; 11.5 J x 20 |