1959 Sunbeam Alpine

This vehicle has a 2 door convertible/cabriolet body style with a front located engine powering the rear wheels. The 4 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a capacity of 1.5 litres. This unit produces power and torque figures of 78 bhp (79 PS/58 kW) at 5300 rpm and 122 Nm (90 lbft/12.4 kgm) at 3400 rpm respectively. A 4 speed manual gearbox supplies the power to the driven wheels. Quoted kerb weight is 966 kg.
Full specs

Body type
2 door convertible/cabriolet with 2+2 seats
Length
3943 mm
Weight
966 kg
Engine type
naturally aspirated petrol
Engine size
1.5 litre
Cylinders
4, Straight
Power
79 PS / 78 bhp / 58 kW @ 5300 rpm
Torque
122 Nm / 90 ft.lb / 12.4 kgm @ 3400 rpm

1959 Sunbeam Alpine specifications

1959 Sunbeam Alpine data
bodywork
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Body type	2+2 seater convertible/cabriolet
Number of doors	2
Designer
dimensions & weights
Wheelbase	2184 mm	86 inches
Track/tread (front)	1295 mm	51 inches
Track/tread (rear)	1232 mm	48.5 inches
Length	3943 mm	155.2 inches
Width	1537 mm	60.5 inches
Height	1308 mm	51.5 inches
Ground clearance	130 mm	5.1 inches
length:wheelbase ratio	1.81
Kerb weight	966 kg	2130 lb
Weight distribution
fuel tank capacity	40.9 litres	9 [10.8] UK [US] gal.
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	naturally aspirated petrol
Engine manufacturer	Hillman
Engine code
Cylinders	Straight 4
Capacity	1.5 litre 1494 cc (91.169 cu in)
Bore × Stroke	79 × 76.2 mm 3.11 × 3 in
Bore/stroke ratio	1.04
Valve gear	overhead valve (OHV) 2 valves per cylinder 8 valves in total
maximum power output (Net)	79 PS (78 bhp) (58 kW) at 5300 rpm
maximum torque (Net)	122 Nm (90 ft·lb) (12.4 kgm) at 3400 rpm
Specific output (Net)	38.9 kW/litre 52.9 ps/litre 52.2 bhp/litre 0.86 bhp/cu in
Specific torque (Net)	81.66 Nm/litre 0.99 ft·lb/cu³
Engine construction
Lubrication
compression ratio	9.2:1
Fuel system	2 Ze carbs
bmep (brake mean effective pressure)	1026.2 kPa (148.8 psi)
Maximum RPM
crankshaft bearings
Engine coolant	Water
Unitary capacity	373.5 cc
Aspiration	Normal
Compressor	N/A
Intercooler	None
Catalytic converter	N
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 81.87 PS/tonne (1000 kg) 0.08 PS/kg 60.21 kW/tonne (1000 kg) 0.06 kW/kg 80.75 bhp/tonne (1000 kg) 0.08 bhp/kg 0.04 bhp/lb
Weight-to-power ratio	Lower is better 16.61 kg/kW 27.74 lb/bhp
fuel consumption
Fuel consumption
universal fuel consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
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	3.000
Turning circle	10.40 m
Front suspension	I.CS.
Rear suspension	LA.SE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R	Di/Dr
Front brake diameter
Rear brake diameter
Braked area	1903 cm²
Gearbox	4 speed manual
Top gear ratio	1
Final drive ratio	3.89
general
Carfolio.com ID	44374
Production total
Model code
RAC rating	15.5
Insurance classification	No information available
Tax band	No information available
1959 Sunbeam Alpine added before December 1995. Last modified 2013-02-28.