The Pontiac Firebird Trans Am is a coupé with 2 doors and a front mounted engine which delivers the power through the rear wheels.
The Pontiac Firebird Trans Am belongs to the 2F model family from Pontiac.
The Pontiac Firebird Trans Am's engine is a naturally aspirated petrol, 5 litre, overhead valve 90 degree V 8 cylinder with 2 valves per cylinder. It produces 230 bhp (233 PS/172 kW) of power at 4400 rpm, and maximum torque of 407 N·m (300 lb·ft/41.5 kgm) at 3200 rpm.
A 5 speed manual gearbox supplies the power to the wheels.
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 | LB9 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5 litre 5001 cc (305.18 cu in) |
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| Bore × Stroke | 94.89 × 88.39 mm
3.74 × 3.48 in |
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| Bore/stroke ratio | 1.07 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (SAE net) |
233 PS (230 bhp) (172 kW) at 4400 rpm |
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| maximum torque (SAE net) |
407 Nm (300 ft·lb) (41.5 kgm) at 3200 rpm |
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| Specific output (SAE net) |
34.3 kW/litre 46.6 ps/litre 46 bhp/litre 0.75 bhp/cu in |
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| Specific torque (SAE net) |
81.38 Nm/litre
0.98 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) | 1022.7 kPa (148.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 625.13 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 | 5 speed manual | ||
| Top gear ratio | 0.73 | ||
| Final drive ratio | 3.42 | ||
| general | |||
| Carfolio.com ID | 771617 | ||
| Production total | |||
| Model code | W87 | ||
| Model family | 2F | ||
| RAC rating | 44.7 | ||
| 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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