1958 Jaguar XK 150 S 3.4 OTS
- Engine
- 3.4L inline-six (bored out to 4.2L), triple SU carburetors, performance camshafts, ~250 bhp
- Colour
- Imperial Maroon

A left-hand drive 1958 Jaguar XK 150 S 3.4 OTS, completed on 5 May 1958 and originally delivered to Mexico in Cream over Red. The car was subsequently restored under prior ownership, winning Best of Show and Best European Car at the 2016 Mexico International Concours d'Elegance from a field exceeding 400 entries. Following acquisition by the consignor, a comprehensive mechanical rebuild and interior retrim were carried out, including a bored engine displacing 4.2 litres and a custom five-speed transmission.
Ownership
- —Auction saleSold US$176,000
- 1958-05-05 →Factory deliveryOriginal Mexican ownerpartial documentation
Car delivered new to Mexico in original Cream over Red livery; registered in Mexico for many years.
- → 2017Acquisition unknownPrevious Mexican owner who restored the carpartial documentation
Undertook a prior restoration including the current paintwork and convertible top; entered the car in concours competition in 2016.
- 2017 →Private saleConsignorfull documentation
Purchased from a Southern California dealer; commissioned full interior retrim and comprehensive engine rebuild by specialist Jon Pollock Restorations, plus a custom five-speed gearbox replacement.
Competition
- 20162016 Mexico International Concours d'EleganceBest of Show and Best European Car
Held in Dos Rios, Huixquilucan, Mexico; car prevailed over more than 400 competing entries.
- 2016-10-302016 Mexico Grand Prix paradeDriver: Jolyon Palmer
Car served as a ceremonial parade vehicle for Renault Sport F1 driver Jolyon Palmer at the 2016 Mexican Grand Prix.
Maintenance & restoration
- 2019MaintenanceClassic Car Interiors
Full interior retrim using Connolly beige leather, replacing the previous upholstery throughout the cabin.
Located in Van Nuys, California. A deposit of $9,000 USD is documented; total cost reportedly approached $20,000 USD.
- 2019Engine rebuildJon Pollock Restorations
Comprehensive engine rebuild including performance camshafts, manganese-bronze valve guides, custom-ground crankshaft, 3.8-spec Mahle pistons, cylinder boring to raise displacement to approximately 4.2 litres, plus replacement of numerous consumables and rebuilt components totalling over 46 line items and 150 individual parts.
Marque specialist based in Reseda, California. Work valued at over $20,000 USD.
- 2019ModificationWelsh Enterprises
The original numbers-matching four-speed manual gearbox with overdrive was replaced by a bespoke five-speed unit of recent manufacture, based on the Cosworth MT75 platform and paired with a lightweight flywheel. The original transmission is retained and included with the car.
Transmission builder located in Steubenville, Ohio.
- —Restoration
A comprehensive restoration was carried out under prior ownership, encompassing at minimum the exterior repaint in Imperial Maroon and fitting of a new convertible top.
Exact date unknown; believed to predate the 2016 concours appearance. Historical photographs document this work.
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