Jaguar XK150

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Jaguar XK150

1958 Jaguar XK150
Manufacturer	Jaguar Cars
Production	1957–1961
Assembly	Coventry, England
Predecessor	Jaguar XK140
Successor	Jaguar E-type
Class	Sports car
Body style(s)	2-3 seater coupé 2-3 seater convertible 2 seater roadster
Layout	FR layout
Engine(s)	3442 cc I6 3781 cc I6
Wheelbase	2591 mm (102 in)
Length	4496 mm (177 in)
Width	1580 mm (62.2 in)
Curb weight	2,968 lb (1,346 kg)

The Jaguar XK150 was a sports car produced by Jaguar between 1957 and 1961. It replaced the previous XK140.

Initially it was available in Fixed Head Coupé (FHC) and Drop Head Coupé (DHC) versions. The Open Two Seater (OTS) Roadster model was not launched until 1958. Token rear seats were fitted in the coupés.

Although having a family resemblance to the XK120 and XK140, the XK150 was radically modernized. For the first time a one piece windscreen was used and the wing line no longer dropped as much over the doors. The bonnet was widened and opened down to the wings and on the OTS the bulkhead was moved back to make it about 4 inches (102 mm) longer. The car was available at various times in Red, Pearl Grey, White, Indigo Blue, Claret, Cotswold Blue, Black, Mist Grey, Sherwood Green, Carmen Red, British racing Green, Cornish grey and Imperial Maroon.

Inside the car the walnut dashboard went, to be replaced by one trimmed in leather. On the early Drop Head Coupés, an aluminium centre dash panel with an X pattern engraving was fitted which looked similar to the early 3.8 E-type. It was discontinued after June 1958. The doors were thinner giving more interior space.

The standard engine, the same as fitted to the XK140, was the 3.4 litre DOHC Jaguar straight-6 rated at 180 SAE bhp at 5750 rpm but most cars were fitted with the SE engine that had a modified cylinder head with larger exhaust valves rated at 210 SAE bhp at 5500 rpm. Twin 1.75-inch (44 mm) SU HD6 carburettors were fitted.

Inevitably, the first XK150 were slower than their predecessors, but the deficit was corrected in the spring of 1958 with a 3.4-litre "S" engine with three 2-inch (51 mm) SU HD8 carburettors and a straight ported cylinder head giving a claimed 250 SAE bhp.

For 1960, Jaguar bored its 3.4 to 3.8 litres, rating this option at 220 hp (164 kW; 223 PS) in standard tune or 265 hp (198 kW; 269 PS) "S" form. A 3.8 litre 150S could top 135 mph (217 km/h) and sprint from 0-60 mph in around 7.0 seconds, thus restoring whatever verve the XK had been missing.

Four-wheel Dunlop 12 in (305 mm) disc brakes appeared for the first time although it was theoretically possible to order a car with drums. Either wire wheels or disc wheels could be specified. Suspension and chassis were very similar to that on the XK140. Steering was by rack and pinion; power steering was not offered.

Production ended in October 1960,^[1] and totaled 2265 Roadsters, 4445 Fixed Head Coupés and 2672 Drop Head Coupés.

A 250 bhp 3.4 litre XK150S Fixed-head coupé with limited slip differential was tested by the British magazine The Motor in 1959. It had a top speed of 132 mph (212 km/h) and could accelerate from 0–60 mph (97 km/h) in 7.8 seconds. A fuel consumption of Template:Convert/foutmig (Template:Convert/L/100 km mpgus) was recorded. The test car cost £2110 including taxes of £623. It was at the time the fastest closed car the magazine had ever subjected to a full road test.^[2]

Contents 1 Technical specifications 2 Photographs 3 References 4 External links

Technical specifications

XK 150 ENGINES
Ref: ^{[3] [4]}

Model	Years	Displacement	Configuration	Bore/Stroke	Carburettor	Power
XK 150 3.4	1957-1959	3442cc	DOHC Straight-6	83mm x 106mm	Double SU H6	190 bhp (142 kW; 193 PS) @ 5500 rpm
XK 150 3.4 S	1957-1959	3442 cc	DOHC Straight-6	83 mm x 106 mm	Triple SU H8	250 bhp (186 kW; 253 PS) @ 5500 rpm
XK 150 3.8	1959-1960	3781 cc	DOHC Straight-6	87 mm x 106 mm	Double SU H6	220 bhp (164 kW; 223 PS) @ 5500 rpm
XK 150 3.8 S	1959-1960	3781 cc	DOHC Straight-6	87 mm x 106 mm	Triple SU H8	265 bhp (198 kW; 269 PS) @ 5500 rpm

Photographs

1

2

3

4

5

• 1] XK150 Hardtop (Fixed Head Coupe-FHC)
• 2] XK150 S engine compartment, note triple SU H8  carburettors
• 3] XK150 Roadster (Open Two Seater-OTS)
• 4] XK150 Convertible (Drop Head Coupe-DHC)
• 5] XK150 Convertible (Drop Head Coupe-DHC)

References

• Porter, Philip (1998). Original Jaguar XK. Bay View Books.. ISBN 1-901432-02-5. 

External links

• XKData.com volunteer maintained online registry with thousands of cars
• www.jag-lovers.org/xk-lovers/ International network of Jaguar XK model automotive owners and enthusiasts
• David's XK restoration. Watch the progress on a current restoration. (Start at the bottom and work up)

v • d • e Jaguar Cars road and race car timeline, 1940s–1970s — next »
Type	1940s					1950s										1960s										1970s
	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9	0	1	2	3	4	5	6	7	8	9
Sports				XK120							XK140			XK150			E-type S1							E S2			E-type S3				XJ-S
Saloon											Mark 1					Mark 2, 240, 340
																				S-Type											XJ-C
																						420		XJ6 S1						XJ6 S2
	Mk IV				Mk V			Mk VII				Mk VIII			Mk IX			Mk X				420G						XJ12 S1		XJ12 S2
Supercar														XKSS
Racing							C-Type			D-Type								E-Type				XJ13										XJ-C		XJ41 / XJ42
Corporate ownership	Independent																					BMH		British Leyland