Key facts

1973 Austin Allegro 1100 information summary

What body style?
sedan/saloon with 4/5 seats
How long?
3855 mm
How heavy?
800 kg
What size engine?
1.1 litre, 1098 cm3
How many cylinders?
4, Straight
How much power?
49.7 PS / 49 bhp / 36.5 kW @ 5250 rpm
How much torque?
81 Nm / 60 ft.lb / 8.3 kgm @ 2450 rpm
How fast?
134 km/h, 83 mph

Austin

Austin logo -

Austin logo

British Leyland (Austin-Morris) Limited

1973 Austin Allegro 1100 technical specifications

Introduction

The Austin Allegro 1100 is a saloon (sedan) with a front mounted engine which supplies its power through the front wheels.
Its 4 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a capacity of 1.1 litres. In this application it provides power and torque figures of 49 bhp (49.7 PS/36.5 kW) at 5250 rpm and 81 Nm (60 lbft/8.3 kgm) at 2450 rpm respectively.
A 4 speed manual transmission transmits the power to the wheels.
Claimed weight at the kerb is 800 kg.
Its maximum speed claimed is 134 km/h or 83 mph.
1973 Austin Allegro 1100 data
1973 Austin Allegro 1100 data
bodywork
Body type4/5 seater sedan/saloon
Number of doors
Designer
dimensions & weights
mminches
Wheelbase 2432 95.7
Track/tread (front)
Track/tread (rear)
Length 3855 151.8
Width 1613 63.5
Height 1397 55
Ground clearance 159 6.3
length:wheelbase ratio 1.59
Kerb weight 800 kg 1764 lb
Weight distribution
fuel tank capacity 47.7 litres 10.5 UK Gal 12.6 US Gal
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Austin
Engine code
Cylinders Straight 4
Capacity 1.1 litre
1098 cc
(67.004 cu in)
Bore × Stroke 64.6 × 83.72 mm
2.54 × 3.3 in
Bore/stroke ratio 0.77
overhead valve (OHV)
2 valves per cylinder
8 valves in total
maximum power output
(DIN)
49.7 PS (49 bhp) (36.5 kW)
at 5250 rpm
Specific output
(DIN)
44.6 bhp/litre
0.73 bhp/cu in
maximum torque
(DIN)
81 Nm (60 ft·lb) (8.3 kgm)
at 2450 rpm
Specific torque
(DIN)
73.77 Nm/litre
0.89 ft·lb/cu3
Engine construction
sump
compression ratio 8.5:1
Fuel system 1 SU carb
bmep (brake mean effective pressure) 927 kPa (134.5 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 274.5 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph) 13.10 s
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph) -1.00 s
Standing quarter-mile 21.20 s
Standing kilometre
Maximum speed 134 km/h (83 mph)
Power-to-weight ratio 62.1 PS/g
45.67 kW/g
61.25 bhp/ton
0.03 bhp/lb
Weight-to-power ratio 21.89 kg/kW
36.57 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per litre
UK MPG
US MPG
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout transverse
Drive wheels front wheel drive  
Torque split N/A
Steering
turns lock-to-lock
Turning circle
Front suspension I.HPS.
Rear suspension I.HPS.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R Di/Dr
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio 1.00
Final drive ratio 4.13
general
Carfolio.com ID50567
Production total
Model code
Model family
RAC rating 10.3
Insurance classification No information available
Tax band No information available
1973 Austin Allegro 1100 added before December 1995.
Last modified 2013-02-28.

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