1955 Triumph TR3

The TR3 is a rear wheel drive convertible/cabriolet road car with a front mounted engine, produced by Triumph. Power is supplied by an overhead valve, 2 litre naturally aspirated 4 cylinder motor, with 2 valves per cylinder that develops power and torque figures of 100 bhp (101 PS/75 kW) at 5000 rpm and 159 N·m (117 lb·ft/16.2 kgm) at 3000 rpm respectively. The power is delivered to the wheels by means of a 4 speed manual with overdrive gearbox. It weighs a stated 904 kg at the kerb. Its maximum speed claimed is 169 km/h or 105 mph.

Pictures

Triumph TR3 -
Triumph TR3
Image courtesy of Triumph

Key facts

1955 Triumph TR3 information summary

What body style?
2 door convertible/cabriolet with 2 seats
How long?
3835 mm
How heavy?
904 kg
What size engine?
2 litre, 1991 cm3
How many cylinders?
4, Straight
How much power?
101 PS / 100 bhp / 75 kW @ 5000 rpm
How much torque?
159 Nm / 117 ft.lb / 16.2 kgm @ 3000 rpm
How quick?
0-60 mph: 12.5 s
How fast?
169 km/h, 105 mph

Similar models

2 door convertible/​cabriolet FR 4M 1991 cm3 103 PS 102 bhp 76 kW 762 kg
AC Ace-Bristol -
2 door convertible/​cabriolet FR 4M 1971 cm3 106 PS 105 bhp 78 kW 762 kg
2 door convertible/​cabriolet FR 1971 cm3 106 PS 105 bhp 78 kW 838 kg
Mercedes-Benz 190 SL -
2 door convertible/​cabriolet FR 4M 1897 cm3 105 PS 104 bhp 78 kW 1140 kg
2 door convertible/​cabriolet FR 4M 1991 cm3 101 PS 100 bhp 75 kW 838 kg
1955 Triumph TR3 data
bodywork
Body type2 seater convertible/cabriolet
Number of doors2
Designer
dimensions & weights
Wheelbase 2238 88.1
Track/tread (front) 1143 45
Track/tread (rear) 1156 45.5
Length 3835 151
Width 1410 55.5
Height 1270 50
Ground clearance
length:wheelbase ratio 1.71
Kerb weight 904 kg 1993
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Triumph
Engine code
Cylinders Straight 4
Capacity 2 litre
1991 cc
(121.498 cu in)
Bore × Stroke 83 × 92 mm
3.27 × 3.62 in
Bore/stroke ratio 0.9
Valve gear overhead valve (OHV)
2 valves per cylinder
8 valves in total
maximum power output 101 PS (100 bhp) (75 kW)
at 5000 rpm
Specific output 50.2 bhp/litre
0.82 bhp/cu in
maximum torque 159 Nm (117 ft·lb) (16.2 kgm)
at 3000 rpm
Specific torque 79.86 Nm/litre
0.97 ft·lb/cu3
Engine construction
sump
compression ratio 8.5:1
Fuel system 2 SU carbs
bmep (brake mean effective pressure) 1003.5 kPa (145.6 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 497.75 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph) 7.5 s
Acceleration 0-60mph 12.5 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile 18.1 s
Standing kilometre
Maximum speed 169 km/h (105 mph)
Power-to-weight ratio 112.16 PS/tonne (1000 kg)
82.49 kW/tonne (1000 kg)
110.62 bhp/tonne (1000 kg)
0.05 bhp/lb
Weight-to-power ratio 12.12 kg/kW
20.25 lb/bhp
fuel consumption
Fuel consumption
universal 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 I.CS.W.
Rear suspension LA.SE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox 4
Top gear ratio
Final drive ratio
general
Carfolio.com ID17523
Production total
Model code
Model family
RAC rating 17.1
Insurance classification No information available
Tax band No information available
1955 Triumph TR3 added before December 1995.
Last modified 2013-02-28.