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Jaguar XK 150


Having developed disc brakes in the best testing conditions possible - endurance racing - Jaguar were ready to fit them to production cars and the first models to benefit were the new XK150's in May, 1957.

Apart from the XK140 engine, which produced 190 bhp, the 150 could also be purchased in Special Equipment guise. Fitted with the 210 bhp B-type engine. Braking had never been the XK's strongest point and with performance and weight gradually increasing the new disc brakes adequately provided much needed improvement. The XK 150 and in particular, the 'S' series were a vast improvement on earlier models and are still a perfect every day thoroughbred car.

Wheelbase 2591 mm 102 in  
Track front 1314 mm 51.7 in  
rear 1314 mm 51.7 in  
Length 4496 mm 177 in  
Width 1638 mm 64.5 in  
Height 1397 mm 55 in  
Kerb weight 1473 kg 3247 lb  
Weight distribution
52.00 %
Frontal Area 1.69 m2
Manufacturer Jaguar
Type S-6
12 valves total
2 valves per cylinder
Bore stroke 83.00mm 106.00mm
3.27 in 4.17 in
Bore/Stroke ratio 0.78
Displacement 3442 cc
(210.044 cu in)
Unitary capacity 573.67 cc/cylinder
Compression ratio 8.00:1
Fuel system 2 SU carbs
Aspiration Normal
Max. output 192.6 PS (190.0 bhp) (141.7 kW)
@5500 rpm
Max. torque 285.0 Nm (210 lbft) (29.1 kgm)
@2500 rpm
Coolant Water
Specific output 55.2 bhp/litre
0.9 bhp/cu in
Specific torque 82.8 Nm/litre
0-60mph 9.00s
Top speed 196 km/h
Power-to-weight 128.99 bhp/ton
Engine location Front
Engine alignment Longitudinal
Suspension Front I.W.TB.ARB.
Rear LA.SE.
Brakes F/R Di/Di-S
Transmission 4M
Drive RWD
Top gear ratio 1.00
Final drive ratio 3.54