Jaguar XKSS

vs

Jaguar Mk IX

UK vs United Kingdom — 1957 vs 1959

Jaguar XKSS (1957)
Jaguar Mk IX (1959)
Specifications
XKSSMk IX Standard
Horsepower262 hp220 hp
Torque240 lb-ft240 lb-ft
Engine Size3,442 cc3,781 cc
0-60 mph5.2 sec11.3 sec
Top Speed149 mph118 mph
¼ Mile13.2 sec17.8 sec
Weight2,249 lbs4,032 lbs
Wheelbase2,286 mm3,048 mm
Length3,912 mm5,004 mm
Units Produced1610,005
Original MSRP$6,900$6,250
Value (Excellent)$18,000,000$95,000
Collectibility10/106/10
Rarity10/105/10
The Verdict

The 1957 Jaguar XKSS holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1959 Jaguar Mk IX Standard brings better value and remains a compelling choice for enthusiasts who value Jaguar heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.

Overview

Within the Jaguar stable, the 1957 Jaguar XKSS and 1959 Jaguar Mk IX Standard represent different approaches to performance and purpose. Both carry the Jaguar badge, yet each carves out its own distinct identity. The 1957 Jaguar XKSS holds a clear advantage in raw power with 262 hp compared to 220 hp, a 42-horsepower difference that shapes the driving experience. In the sprint to 60 mph, the 1957 Jaguar XKSS edges ahead at 5.2 seconds versus 11.3 seconds. The Jaguar XKSS carries a weight advantage, tipping the scales 1783 lbs lighter. Rarity plays a significant role here — with only 16 units built, the 1957 Jaguar XKSS is considerably scarcer than the Jaguar Mk IX's 10,005 examples. On the collector market, the 1957 Jaguar XKSS commands a significant premium over the 1959 Jaguar Mk IX Standard, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1957 Jaguar XKSS rates higher among enthusiasts and auction houses.