In 1960 Jaguar upgraded their XK engine to have a displacement of 3781 cc. This was achieved by increasing the bore and offered 220 bhp over the standard 190 bhp 3.4.
Like the previous model, an optional Special Equipment Model was available which used the B-Type cylinder head and twin SU HD6 carburetors. Other refinements included wire wheels, dual exhuast, windscreen washers. Above and beyond the SE model was the S-Type which used a straight-port cylinder head and three HD8 SU carburetors for 265 bhp @ 5500 rpm.
1958 Jaguar XK150 3.8-Litre Roadster S830812DN – sold for €120,750 This XK150 Roadster was restored by one of its previous owners, American enthusiast and collector, the late Mike Amalfitano. In the course of the rebuild he also improved the car, incorporating upgraded suspension (shock absorbers, springs and radius arms) for better handling; larger brakes; a five-speed gearbox; alternator electrics; and electric power-assisted steering. Auction Source: 2015 Les Grandes Marques du Monde au Grand Palais
1960 Jaguar XK150 3.8 Roadster
1959 Jaguar XK-150S Roadster – did not sell for $85,0004-Speed manual with overdrive. This low mileage, factory XK-150S has received a full vehicle service detail by Classic Showcase. Included in the vehicle service, the gas tank was removed, hot tanked, epoxy sealed, painted and reinstalled with new hardware. Minimal mechanical service was needed as this vehicle has always been well maintained and serviced, running exceptionally well and documented with service records. Auction Source: 2011 Monterey Daytime Auction by Mecum
1959 Jaguar XK150 3.8S Roadster 820063DN – sold for €230,227 he ultimate evolution of the XK-Series Jaguars of the 1950s. One of 36 XK150 S 3.8 Roadsters and one of 24 special-order cars produced. Original, unrestored example with matching numbers and original factory colours. Heritage Certificate and Operating, Maintenance and Service Book signed by William Lyons. Auction Source: 2011 Salon Privé Auction by RM