Jaguar XKSS

vs

Porsche 550 Spyder

UK vs West Germany — 1957 vs 1953

Jaguar XKSS (1957)
Porsche 550 Spyder (1953)
Specifications
XKSS550 Spyder 1500 RS
Horsepower262 hp110 hp
Torque240 lb-ft88 lb-ft
Engine Size3,442 cc1,498 cc
0-60 mph5.2 sec7.0 sec
Top Speed149 mph137 mph
¼ Mile13.2 sec15.0 sec
Weight2,249 lbs1,213 lbs
Wheelbase2,286 mm2,100 mm
Length3,912 mm3,700 mm
Units Produced1690
Original MSRP$6,900$5,995
Value (Excellent)$18,000,000$7,000,000
Collectibility10/1010/10
Rarity10/1010/10
The Verdict

On balance, the 1957 Jaguar XKSS makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1953 Porsche 550 Spyder 1500 RS counters with lighter weight, better value, and its appeal extends beyond mere numbers. Choose the 1957 Jaguar XKSS for outright capability, or the 1953 Porsche 550 Spyder 1500 RS for a more distinctive ownership experience.

Overview

The rivalry between UK and West Germany automotive industries has produced legendary matchups, and the 1957 Jaguar XKSS versus 1953 Porsche 550 Spyder 1500 RS is among the most fascinating. These two cars represent the best of their national engineering schools. The 1957 Jaguar XKSS holds a clear advantage in raw power with 262 hp compared to 110 hp, a 152-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Jaguar XKSS uses a Inline-6 DOHC (XK) displacing 3,442 cc, while the Porsche 550 Spyder relies on a Flat-4 DOHC with 1,498 cc. In the sprint to 60 mph, the 1957 Jaguar XKSS edges ahead at 5.2 seconds versus 7.0 seconds. The Porsche 550 Spyder carries a weight advantage, tipping the scales 1036 lbs lighter. Rarity plays a significant role here — with only 16 units built, the 1957 Jaguar XKSS is considerably scarcer than the Porsche 550 Spyder's 90 examples. On the collector market, the 1957 Jaguar XKSS commands a significant premium over the 1953 Porsche 550 Spyder 1500 RS, reflecting differences in prestige and rarity.