Porsche 356

vs

Jaguar XKSS

Germany vs UK — 1948 vs 1957

Porsche 356 (1948)
Jaguar XKSS (1957)
Specifications
356 SpeedsterXKSS Production
Horsepower70 hp250 hp
Torque75 lb-ft240 lb-ft
Engine Size1,582 cc3,442 cc
0-60 mph13.5 sec5.2 sec
Top Speed100 mph140 mph
¼ Mile18.5 sec13.8 sec
Weight1,852 lbs2,050 lbs
Wheelbase2,100 mm2,286 mm
Length3,950 mm3,988 mm
Units Produced4,14516
Original MSRP$2,995$6,900
Value (Excellent)$700,000$18,000,000
Collectibility10/1010/10
Rarity7/1010/10
The Verdict

Numbers favor the 1957 Jaguar XKSS Production with more power, quicker acceleration, higher top speed. The 1948 Porsche 356 Speedster offers lighter weight, better value, and has its own devoted following. For those who let their heart decide, either car delivers a rewarding ownership experience.

Overview

The rivalry between Germany and UK automotive industries has produced legendary matchups, and the 1948 Porsche 356 Speedster versus 1957 Jaguar XKSS Production is among the most fascinating. These two cars represent the best of their national engineering schools. The 1957 Jaguar XKSS Production holds a clear advantage in raw power with 250 hp compared to 70 hp, a 180-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Porsche 356 uses a Flat-4 OHV air-cooled displacing 1,582 cc, while the Jaguar XKSS relies on a Inline-6 DOHC with 3,442 cc. In the sprint to 60 mph, the 1957 Jaguar XKSS Production edges ahead at 5.2 seconds versus 13.5 seconds. Rarity plays a significant role here — with only 16 units built, the 1957 Jaguar XKSS Production is considerably scarcer than the Porsche 356's 4,145 examples. On the collector market, the 1957 Jaguar XKSS Production commands a significant premium over the 1948 Porsche 356 Speedster, reflecting differences in prestige and rarity.