Key facts

Packard Twin Six Touring, 1921 MY information summary

What body style?
tourer with 7 seats
How heavy?
2125 kg
What size engine?
7 litre, 6950 cm3
How many cylinders?
12, V
How much power?
96 PS / 95 bhp / 71 kW @ 2600 rpm
How much torque?


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1921 Packard Twin Six Touring technical specifications


The Twin Six Touring is a motor vehicle from Packard, with rear wheel drive, a front positioned engine and a 4 door tourer body style.
The Packard Twin Six Touring's engine is a naturally aspirated petrol, 7 litre, side valve 60 degree V 12 cylinder with 2 valves per cylinder. It has an output of 95 bhp (96 PS/71 kW) of power at 2600 rpm.
The engine supplies its power through to the wheels by means of a 3 speed manual gearbox.
Claimed kerb weight is 2125 kg.
1921 Packard Twin Six Touring data
Packard Twin Six Touring, 1921 MY data
Body type7 seater tourer
Number of doors4
dimensions & weights
Wheelbase 3454 136
Track/tread (front)
Track/tread (rear)
Ground clearance
length:wheelbase ratio
Kerb weight 2125 kg 4685 lb
Weight distribution
fuel tank capacity
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer Packard
Engine code
Cylinders V 12 in 60° vee
Capacity 7 litre
6950 cc
(424.115 cu in)
Bore × Stroke 76.2 × 127 mm
3 × 5 in
Bore/stroke ratio 0.6
side valve (SV)
2 valves per cylinder
24 valves in total
maximum power output 96 PS (95 bhp) (71 kW)
at 2600 rpm
Specific output 13.7 bhp/litre
0.22 bhp/cu in
maximum torque
Specific torque
Engine construction
compression ratio
Fuel system 1 Packard carburettor
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings 3
Engine coolant Water
Unitary capacity 579.17 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
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 45.33 PS/g
33.34 kW/g
44.71 bhp/ton
0.02 bhp/lb
Weight-to-power ratio 30 kg/kW
50.11 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 worm & nut
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front
Wheel size rear
Tyres front 35 x 5
Tyres rear 35 x 5
Brakes F/R
Front brake diameter
Rear brake diameter
Gearbox 3 speed manual
Top gear ratio 1
Final drive ratio 4.36
general ID214159
Production total
Model code
Model family
RAC rating 43.2
Insurance classification No information available
Tax band No information available
1921 Packard Twin Six Touring added 2010-05-21.
Last modified 2013-04-26.

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1921 Packard Twin Six Touring

World Car Specifications