Triumph Spitfire Mark IV

Triumph Spitfire Mark IV - key facts

Following it’s introduction in 1970, the Triumph Spitfire Mark IV continued in production until 1974.
The 4 cylinder engine acheived a maximum power of 63 bhp.
60mph was reached in 16.2 seconds.
Maximum speed of the Triumph Spitfire Mark IV was 90 mph.
70,021 of the Triumph Spitfire Mark IV were produced.

Triumph Spitfire Mark IV Specifications
Production	70,021
From	1970
Until	1974
Bodywork
Body Style	Sports
Dimensions
Length	12ft 4in	3.78m
Width	4ft 9in	1.47m
Wheelbase	6ft 10in	2m
Front Track	4ft 0in	1.24m
Rear Track	4ft 0in	1.24m
Kerb Weight	1717lb/0.767ton	779kg
Engine
Engine displacement	1296cc	79cu in
Bore	2.9in	73.7mm
Stroke	2.99in	76mm
Cylinders	4
Cylinder Layout	Inline
Valve operation	Overhead valve
Compression ratio	9:1
Power Output	63bhp @ 6000rpm	62PS @ 6000rpm
Specific Output	49bhp/litre	0.8bhp/cu in
Torque Output	69lbft @ 3500rpm	94Nm @ 3500rpm
Specific Torque	72Nm/litre
Fuel Type	Petrol
Fuel system	Twin Carburettor
Carburettor make	SU
Performance
Power to weight	82bhp/ton
Acceleration 0-50mph	11 seconds
Acceleration 0-60mph	16.2 seconds
Standing Qtr mile	20.6 seconds
Top speed	90mph	145km/h
Fuel consumption	32mpg	14km/l
Chassis
Engine location	Front
Engine alignment	Longitudinal
Driven wheels	Rear
Front Suspension	Independent Coil Spring
Rear Suspension	Independent Transverse Leaf
Brakes	Disc front, Drum rear
Gearbox type	4 speed Manual with Overdrive option
Number of gears	4