Key facts

1974 Alfa Romeo Alfetta Coupé 1.8 information summary

What body style?
fixed-head coupé with 2+2 seats
How long?
4153 mm
How heavy?
1048 kg
What size engine?
1.8 litre, 1779 cm3
How many cylinders?
4, Straight
How much power?
124 PS / 122 bhp / 91 kW @ 5500 rpm
How much torque?
167 Nm / 123 / 17 kgm @ 4400 rpm
How quick?
0-60 mph: 9.7 s
How fast?
182 km/h, 113 mph

Alfa Romeo

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Alfa Romeo logo

Alfa Romeo Automobiles SpA

1974 Alfa Romeo Alfetta Coupé 1.8 technical specifications


The Alfa Romeo Alfetta Coupé 1.8 is a rear wheel drive vehicle, with the motor mounted in the front, and a 3 door coupé body designed by Giugiaro.
Its 1.8 litre engine is a naturally aspirated, double overhead camshaft, 4 cylinder unit that develops 122 bhp (124 PS/91 kW) of power at 5500 rpm, and maximum torque of 167 N·m (123 lb·ft/17 kgm) at 4400 rpm.
The engine delivers its power through to the wheels via a 5 speed manual 'box.
Stated weight at the kerb is 1048 kg.
Its maximum speed claimed is 182 km/h (113 mph).
1974 Alfa Romeo Alfetta Coupé 1.8 data
1974 Alfa Romeo Alfetta Coupé 1.8 data
Body type2+2 seater fixed-head coupé
Number of doors3
dimensions & weights
Wheelbase 2400 94.5
Track/tread (front) 1359 53.5
Track/tread (rear) 1359 53.5
Length 4153 163.5
Width 1664 65.5
Height 1334 52.5
Ground clearance
length:wheelbase ratio 1.73
Kerb weight 1048 kg 2310 lb
Weight distribution
fuel tank capacity 53.6 litres 11.8 UK Gal 14.2 US Gal
Drag coefficient 0.42
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Alfa Romeo
Engine code
Cylinders Straight 4
Capacity 1.8 litre
1779 cc
(108.561 cu in)
Bore × Stroke 80 × 88.5 mm
3.15 × 3.48 in
Bore/stroke ratio 0.9
double overhead camshaft (DOHC)
2 valves per cylinder
8 valves in total
maximum power output
124 PS (122 bhp) (91 kW)
at 5500 rpm
Specific output
68.6 bhp/litre
1.12 bhp/cu in
maximum torque
167 Nm (123 ft·lb) (17 kgm)
at 4400 rpm
Specific torque
93.87 Nm/litre
1.13 ft·lb/cu3
Engine construction
compression ratio 9.5:1
Fuel system 2 So carbs
bmep (brake mean effective pressure) 1179.6 kPa (171.1 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 444.75 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph 9.7 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed 182 km/h (113 mph)
Power-to-weight ratio 118.03 PS/g
86.81 kW/g
116.41 bhp/ton
0.05 bhp/lb
Weight-to-power ratio 11.52 kg/kW
19.24 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 rack & pinion
turns lock-to-lock
Turning circle
Front suspension I.W.TB.
Rear suspension dD.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R Di/Di-S
Front brake diameter
Rear brake diameter
Gearbox 5 speed manual
Top gear ratio
Final drive ratio 4.10
general ID19591
Production total
Model code
Model family
RAC rating 15.9
Insurance classification No information available
Tax band No information available
1974 Alfa Romeo Alfetta Coupé 1.8 added before December 1995.
Last modified 2013-02-28.

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1974 Alfa Romeo Alfetta Coupé 1.8

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