This car has a 2 door coupé body style with a front mounted engine driving through the rear wheels.
The Pontiac Firebird Trans Am belongs to the 2F model family from Pontiac.
Its 8 cylinder, overhead valve naturally aspirated powerplant has 2 valves per cylinder and a displacement of 5.7 litres. In this application it produces power and torque figures of 240 bhp (243 PS/179 kW) at 4400 rpm and 461 Nm (340 lbft/47 kgm) at 3200 rpm respectively.
The engine drives the wheels via a 4 speed automatic gearbox.
Full specs
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| bodywork | |||
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| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2565 mm | 101 inches | |
| Track/tread (front) | 1541 mm | 60.7 inches | |
| Track/tread (rear) | 1564 mm | 61.6 inches | |
| Length | 4958 mm | 195.2 inches | |
| Width | 1849 mm | 72.8 inches | |
| Height | 1262 mm | 49.7 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.93 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 58.7 litres | 12.9 [15.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | L98 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5.7 litre 5733 cc (349.849 cu in) |
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| Bore × Stroke | 101.6 × 88.4 mm
4 × 3.48 in |
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| Bore/stroke ratio | 1.15 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (SAE net) |
243 PS (240 bhp) (179 kW) at 4400 rpm |
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| maximum torque (SAE net) |
461 Nm (340 ft·lb) (47 kgm) at 3200 rpm |
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| Specific output (SAE net) |
31.2 kW/litre 42.4 ps/litre 41.9 bhp/litre 0.69 bhp/cu in |
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| Specific torque (SAE net) |
80.41 Nm/litre
0.97 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9.3:1 | ||
| Fuel system | EFI | ||
| bmep (brake mean effective pressure) | 1010.5 kPa (146.6 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 716.63 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | |||
| Weight-to-power ratio | |||
| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 8 x 16 | ||
| Wheel size rear | 8 x 16 | ||
| Tyres front | P215/60 R 16 | ||
| Tyres rear | P215/60 R 16 | ||
| Brakes F/R | VeDi/Di-S | ||
| Front brake diameter | 267 mm | ||
| Rear brake diameter | 297 mm | ||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | 0.7 | ||
| Final drive ratio | 3.23 | ||
| general | |||
| Carfolio.com ID | 771628 | ||
| Production total | |||
| Model code | W87 | ||
| Model family | 2F | ||
| RAC rating | 51.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1991 Pontiac Firebird Trans Am added 2022-09-16. Last modified 2022-09-18. |
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