Key facts

1979 Triumph TR8 information summary

What body style?
fixed-head coupé with 2 seats
How long?
4067 mm
What size engine?
3.5 litre, 3532 cm3
How many cylinders?
8, V
How much power?
157 PS / 155 bhp / 116 kW
How much torque?
How quick?
0-60 mph: 7.7 s
How fast?
217 km/h, 135 mph


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1979 Triumph TR8 technical specifications


The TR8 is a rear wheel drive Harris Mann designed coupé motor car with a front mounted engine, produced by Triumph.
It is powered by a naturally aspirated engine of 3.5 litre capacity. This unit features overhead valve valve gear, 8 cylinder layout, and 2 valves per cylinder. It has an output of 155 bhp (157 PS/116 kW) of power.
A 5 speed manual gearbox transmits the power to the driven wheels.
It is said to be able to attain a top speed of 217 km/h which is 135 mph.
1979 Triumph TR8 data
1979 Triumph TR8 data
Body type2 seater fixed-head coupé
Number of doors2
DesignerHarris Mann
dimensions & weights
Wheelbase 2160 85
Track/tread (front)
Track/tread (rear)
Length 4067 160.1
Width 1681 66.2
Height 1267 49.9
Ground clearance
length:wheelbase ratio 1.88
Kerb weight
Weight distribution
fuel tank capacity
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Rover/Buick
Engine code
Cylinders V 8
Capacity 3.5 litre
3532 cc
(215.536 cu in)
Bore × Stroke 88.9 × 71.12 mm
3.5 × 2.8 in
Bore/stroke ratio 1.25
overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output 157 PS (155 bhp) (116 kW)
Specific output 43.9 bhp/litre
0.72 bhp/cu in
maximum torque
Specific torque
Engine construction
sump wet sumped
compression ratio
Fuel system
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 441.5 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph 7.7 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed 217 km/h (135 mph)
Power-to-weight ratio
Weight-to-power ratio
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
turns lock-to-lock
Turning circle
Front suspension I.MS.LW.ARB.
Rear suspension LA.TA.STA.CS.ARB.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Gearbox 5 speed manual
Top gear ratio
Final drive ratio
general ID16863
Production total
Model code
Model family
RAC rating 39.2
Insurance classification No information available
Tax band No information available
1979 Triumph TR8 added before December 1995.
Last modified 2013-02-28.

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1979 Triumph TR8

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