Key facts

1979 Pontiac Firebird Trans Am information summary

What body style?
fixed-head coupé with 2+2 seats
How long?
5032 mm
How heavy?
1583 kg
What size engine?
6.6 litre, 6586 cm3
How many cylinders?
8, V
How much power?
188 PS / 185 bhp / 138 kW @ 3600 rpm
How much torque?
427 Nm / 315 / 43.5 kgm @ 2000 rpm
How fast?
180 km/h, 112 mph


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1979 Pontiac Firebird Trans Am technical specifications


The Pontiac Firebird Trans Am is a rear wheel drive motor vehicle, with its engine placed in the front, and a 2 door coupé body.
Power is supplied by an overhead valve, 6.6 litre naturally aspirated 8 cylinder engine, with 2 valves per cylinder that provides power and torque figures of 185 bhp (188 PS/138 kW) at 3600 rpm and 427 N·m (315 lb·ft/43.5 kgm) at 2000 rpm respectively.
The power is delivered to the wheels via a 3 speed automatic gearbox.
The Pontiac Firebird Trans Am weighs a quoted 1583 kg at the kerb.
Top stated speed is 180 km/h (112 mph).
1979 Pontiac Firebird Trans Am data
1979 Pontiac Firebird Trans Am data
Body type2+2 seater fixed-head coupé
Number of doors2
dimensions & weights
Wheelbase 2748 108.2
Track/tread (front) 1557 61.3
Track/tread (rear) 1524 60
Length 5032 198.1
Width 1854 73
Height 1252 49.3
Ground clearance 117 4.6
length:wheelbase ratio 1.83
Kerb weight 1583 kg 3490 lb
Weight distribution
fuel tank capacity 79.6 litres 17.5 UK Gal 21 US Gal
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer GM
Engine code
Cylinders V 8 in 90° vee
Capacity 6.6 litre
6586 cc
(401.902 cu in)
Bore × Stroke 110.5 × 85.85 mm
4.35 × 3.38 in
Bore/stroke ratio 1.29
overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output
188 PS (185 bhp) (138 kW)
at 3600 rpm
Specific output
28.1 bhp/litre
0.46 bhp/cu in
maximum torque
427 Nm (315 ft·lb) (43.5 kgm)
at 2000 rpm
Specific torque
64.83 Nm/litre
0.78 ft·lb/cu3
Engine construction cast iron block & head
sump wet sumped
compression ratio 7.9:1
Fuel system 1 Ro M4MC carb
bmep (brake mean effective pressure) 814.7 kPa (118.2 psi)
Maximum RPM 4400 rpm
crankshaft bearings 5
Engine coolant Water
Unitary capacity 823.25 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter Y
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed 180 km/h (112 mph)
Power-to-weight ratio 118.49 PS/g
87.15 kW/g
116.87 bhp/ton
0.05 bhp/lb
Weight-to-power ratio 11.47 kg/kW
19.17 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per litre
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering recirculating ball VPAS
turns lock-to-lock 2.410
Turning circle 12.60 m
Front suspension I.W.CS.ARB.
Rear suspension LA.SE.ARB.
Wheel size front
Wheel size rear
Tyres front P225/70 R 15
Tyres rear P225/70 R 15
Brakes F/R VeDi/Dr-S
Front brake diameter 279 mm
Rear brake diameter
Gearbox 3 speed automatic
Top gear ratio 1
Final drive ratio 2.41
general ID99594
Production total
Model code
Model family
RAC rating 60.6
Insurance classification No information available
Tax band No information available
1979 Pontiac Firebird Trans Am added 2002-09-05.
Last modified 2013-02-28.

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1979 Pontiac Firebird Trans Am

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