1932 Alvis Firefly

The Alvis Firefly is a saloon with 4 doors and a front mounted engine which delivers its power to the rear wheels. The power is produced by a naturally aspirated engine of 1.5 litre capacity. This powerplant features overhead valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It produces 50 bhp (51 PS/37 kW) of power at 4250 rpm. The engine drives the wheels via a 4 speed manual transmission. The Alvis Firefly weighs a claimed 1320 kg at the kerb. Its maximum speed quoted is 116 km/h or 72 mph.
Full specs

Body type
4 door sedan/saloon with 4/5 seats
Length
4115 mm
Weight
1320 kg
Engine type
naturally aspirated petrol
Engine size
1.5 litre
Cylinders
4, Straight
Power
51 PS / 50 bhp / 37 kW @ 4250 rpm
Torque
Unknown
Top speed
116 km/h / 72 mph

1932 Alvis Firefly specifications

1932 Alvis Firefly data
bodywork
Français Deutsch Nederlands Italiano Español English
Body type	4/5 seater sedan/saloon
Number of doors	4
Designer
dimensions & weights
Wheelbase	3010 mm	118.5 inches
Track/tread (front)	1321 mm	52 inches
Track/tread (rear)	1321 mm	52 inches
Length	4115 mm	162 inches
Width	1600 mm	63 inches
Height
Ground clearance
length:wheelbase ratio	1.37
Kerb weight	1320 kg	2910 lb
Weight distribution
fuel tank capacity	65.9 litres	14.5 [17.4] UK [US] gal.
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	naturally aspirated petrol
Engine manufacturer	Alvis
Engine code
Cylinders	Straight 4
Capacity	1.5 litre 1496 cc (91.292 cu in)
Bore × Stroke	69 × 100 mm 2.72 × 3.94 in
Bore/stroke ratio	0.69
Valve gear	overhead valve (OHV) 2 valves per cylinder 8 valves in total
maximum power output	51 PS (50 bhp) (37 kW) at 4250 rpm
maximum torque
Specific output	24.9 kW/litre 33.9 ps/litre 33.4 bhp/litre 0.55 bhp/cu in
Engine construction
Lubrication
compression ratio	5.8:1
Fuel system	1 SU carb
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant	Water
Unitary capacity	374 cc
Aspiration	Normal
Compressor	N/A
Intercooler	None
Catalytic converter	N
performance
Acceleration 0-80km/h (50mph)	19 s
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile	25 s
Standing kilometre
Maximum speed	116 km/h (72 mph)
Power-to-weight ratio	Higher is better 38.41 PS/tonne (1000 kg) 0.04 PS/kg 28.25 kW/tonne (1000 kg) 0.03 kW/kg 37.88 bhp/tonne (1000 kg) 0.04 bhp/kg 0.02 bhp/lb
Weight-to-power ratio	Lower is better 35.4 kg/kW 59.14 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
Turning circle
Front suspension	LA.SE.
Rear suspension	LA.SE.
Wheel size front
Wheel size rear
Tyres front	30 x 5.0
Tyres rear	30 x 5.0
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox	4 speed manual
Top gear ratio
Final drive ratio
general
Carfolio.com ID	14080
Production total
Model code
RAC rating	11.8
Insurance classification	No information available
Tax band	No information available
1932 Alvis Firefly added before December 1995. Last modified 2013-02-28.