Key facts

1948 Alvis TB 14 information summary

What body style?
convertible/cabriolet with 2 seats
How long?
4432 mm
How heavy?
1245 kg
What size engine?
1.9 litre, 1892 cm3
How many cylinders?
4, Straight
How much power?
69 PS / 68 bhp / 51 kW @ 4000 rpm
How much torque?
How fast?
129 km/h, 80 mph


Alvis logo -

Alvis logo

Alvis Ltd.

1948 Alvis TB 14 technical specifications


The Alvis TB 14 is a 2 door convertible/cabriolet style motor vehicle with a front positioned engine supplying power to the rear wheels.
It is powered by a naturally aspirated engine of 1.9 litre capacity. This unit features overhead valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It produces 68 bhp (69 PS/51 kW) of power at 4000 rpm.
This power is transferred to the wheels via a 4 speed manual gearbox.
The Alvis TB 14 weighs a claimed 1245 kg at the kerb.
The Alvis TB 14 is said to be able to attain a maxiumum speed of 129 km/h which is 80 mph.
1948 Alvis TB 14 data
1948 Alvis TB 14 data
Body type2 seater convertible/cabriolet
Number of doors2
dimensions & weights
Wheelbase 2743 108
Track/tread (front) 1372 54
Track/tread (rear) 1372 54
Length 4432 174.5
Width 1689 66.5
Ground clearance
length:wheelbase ratio 1.62
Kerb weight 1245 kg 2745 lb
Weight distribution
fuel tank capacity
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Alvis
Engine code
Cylinders Straight 4
Capacity 1.9 litre
1892 cc
(115.457 cu in)
Bore × Stroke 74 × 110 mm
2.91 × 4.33 in
Bore/stroke ratio 0.67
overhead valve (OHV)
2 valves per cylinder
8 valves in total
maximum power output 69 PS (68 bhp) (51 kW)
at 4000 rpm
Specific output 35.9 bhp/litre
0.59 bhp/cu in
maximum torque
Specific torque
Engine construction
compression ratio 6.73:1
Fuel system 2 SU carbs
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 473 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
Acceleration 0-80km/h (50mph) 13.9 s
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph) -1.00 s
Standing quarter-mile
Standing kilometre
Maximum speed 129 km/h (80 mph)
Power-to-weight ratio 55.38 PS/g
40.73 kW/g
54.62 bhp/ton
0.02 bhp/lb
Weight-to-power ratio 24.55 kg/kW
41.01 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
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio
Final drive ratio
general ID17006
Production total
Model code
Model family
RAC rating 13.6
Insurance classification No information available
Tax band No information available
1948 Alvis TB 14 added before December 1995.
Last modified 2013-02-28.

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1948 Alvis TB 14

World Car Specifications