Jaguar XK (2006)Spanish Coches, CC BY 2.0, via Wikimedia Commons

Jaguar XK X150 Coupe

2006 — UK

Grand TourerBritishV8 EngineLe Mans HeritageRally LegendsUnder $50k ClassicsNaturally Aspirated Legends
Engine5,000 cc V8 DOHC
Power385 hp
Torque380 lb-ft
Transmission6-speed automatic (ZF 6HP26)
DrivetrainRWD
Body StyleCoupe
Weight3,604 lbs
0–60 mph5.0 sec
Top Speed155 mph
Production54,000 units
Original MSRP$79,000
BrakesDisc (ventilated, 355mm) / Disc (ventilated, 330mm)
SuspensionIndependent, double wishbones, coil springs, adaptive dampers, anti-roll bar / Independent, double wishbones, coil springs, adaptive dampers, anti-roll bar

Jaguar XK X150 Coupe

The Jaguar XK, launched in 2006 as the X150 generation, represented a quantum leap forward in Jaguar's grand touring car lineage. Built on an all-aluminum monocoque body structure, it was lighter and stiffer than the outgoing XK8 while being larger and more spacious. The result was a car that finally matched the beauty of its styling with truly modern engineering underneath.

The naturally aspirated 5.0-litre V8, introduced in the 2010 facelift, produced 385 horsepower and delivered power with the smooth, linear character that befits a true grand tourer. Earlier models used a 4.2-litre version producing 300 horsepower, while the supercharged XKR variants offered significantly more power. The six-speed ZF automatic transmission shifted smoothly in normal driving and crisply when the paddle shifters were employed.

Styling was a masterful evolution of Jaguar's design language, with classic proportions including a long bonnet, set-back cabin, and short rear deck. Designer Ian Callum created a shape that was unmistakably Jaguar while being thoroughly contemporary. The all-aluminum body not only reduced weight but also provided excellent corrosion resistance, addressing a historical weakness of British cars.

The driving experience balanced comfort and involvement beautifully. The double-wishbone suspension at all four corners, combined with adaptive dampers on higher-specification models, provided a supple ride that could firm up when the driver demanded more control. Steering was precise and well-weighted, and the overall balance of the car invited confident driving.

Inside, the XK offered a cabin that blended traditional Jaguar luxury with modern technology. Leather and wood trim were supplemented by a touch-screen navigation system, Meridian audio, and comprehensive climate control. The two-plus-two seating configuration was honestly more suitable for luggage or children in the rear, but the front seats were excellent.

The XK served as the spiritual successor to the E-Type in Jaguar's lineup, offering beautiful styling, strong performance, and genuine touring ability. Over its eight-year production run, approximately 54,000 units were produced across coupe and convertible body styles. Today, the X150 XK represents remarkable value, offering all-aluminum construction, V8 power, and head-turning Jaguar styling at prices that seem almost absurdly low relative to the car's qualities.

$18,000 – $45,000

The aluminum body structure eliminates traditional Jaguar rust concerns, but check for corrosion at dissimilar metal joints. The 4.2 engine is reliable but the 5.0 is more desirable. ZF gearbox mechatronic unit failures can be expensive. Adaptive damper failures occur and replacement is costly. The convertible roof mechanism is complex; check operation thoroughly. Interior electronics can be troublesome on early cars. Service history is essential, particularly evidence of regular gearbox fluid changes.

The X150 XK was produced from 2006 to 2014. The 2010 facelift introduced the larger 5.0-litre V8 (both naturally aspirated and supercharged), revised styling, and updated interior. The aluminum body structure was a first for a Jaguar production car and contributed to significant weight savings over the steel-bodied XK8.