1981 Subaru Rex AI 550 SEEC-T specifications

1981 Subaru Rex AI 550 SEEC-T data
Applicable to the Japanese (JDM) domestic market(s).
bodywork
Body type4 seater hatchback
Number of doors4
Designer
dimensions & weights
Wheelbase 1920 mm 75.6 inches
Track/tread (front) 1230 mm 48.4 inches
Track/tread (rear) 1210 mm 47.6 inches
Length 3185 mm 125.4 inches
Width 1390 mm 54.7 inches
Height 1320 mm 52 inches
Ground clearance 175 mm 6.9 inches
length:wheelbase ratio 1.66
Kerb weight 545 kg 1202 lb
Weight distribution
fuel tank capacity 25 litres 5.5 [6.6] UK [US] gal.
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type naturally aspirated petrol
Engine manufacturer Subaru
Engine code
Cylinders Straight 2
Capacity 0.5 litre
544 cc
(33.197 cu in)
Bore × Stroke 76 × 60 mm
2.99 × 2.36 in
Bore/stroke ratio 1.27
Valve gear single overhead camshaft (SOHC)
2 valves per cylinder
4 valves in total
maximum power output
(JIS net)
31.4 PS (31 bhp) (23.1 kW)
at 6200 rpm
maximum torque
(JIS net)
41 Nm (30.2 ft·lb) (4.2 kgm)
at 3500 rpm
Specific output
(JIS net)
42.5 kW/litre
57.8 ps/litre
57 bhp/litre
0.93 bhp/cu in
Specific torque
(JIS net)
75.37 Nm/litre
0.91 ft·lb/cu3
Engine construction cast iron block; light alloy head
Lubrication wet sumped
compression ratio 8.5:1
Fuel system 1 Hitachi carburettor
bmep (brake mean effective pressure) 947.1 kPa (137.4 psi)
Maximum RPM 7000 rpm
crankshaft bearings 3
Engine coolant Water
Unitary capacity 272 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter
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 Higher is better
57.67 PS/tonne (1000 kg)
0.06 PS/kg
42.42 kW/tonne (1000 kg)
0.04 kW/kg
56.88 bhp/tonne (1000 kg)
0.06 bhp/kg
0.03 bhp/lb
Weight-to-power ratio Lower is better
23.58 kg/kW
39.38 lb/bhp
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 rear
Engine layout transverse
Drive wheels rear wheel drive  
Torque split N/A
Steering rack & pinion
turns lock-to-lock 3.200
Turning circle
Front suspension
Rear suspension
Wheel size front 3½ x 10
Wheel size rear 3½ x 10
Tyres front 5.20 x 10
Tyres rear 5.20 x 10
Brakes F/R Dr/Dr
Front brake diameter
Rear brake diameter
Braked area
Gearbox 4 speed manual
Top gear ratio 1.27
Final drive ratio 4.32
general
Carfolio.com ID695090
Production total
Model code
Model family E-K24
RAC rating 7.2
Insurance classification No information available
Tax band No information available
1981 Subaru Rex AI 550 SEEC-T added 2020-07-23.
Last modified 2025-11-08.

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