Jaguar XK120

vs

Porsche 356A

UK vs Germany — 1948 vs 1957

Jaguar XK120 (1948)
Porsche 356A (1957)
Specifications
XK120356A Speedster
Horsepower180 hp60 hp
Torque195 lb-ft81 lb-ft
Engine Size3,442 cc1,582 cc
0-60 mph10.0 sec14.5 sec
Top Speed120 mph100 mph
¼ Mile17.5 sec19.5 sec
Weight1,852 lbs
Wheelbase2,591 mm2,100 mm
Length4,420 mm3,950 mm
Units Produced12,0551,171
Original MSRP$2,995
Value (Excellent)$250,000$700,000
Collectibility5/1010/10
Rarity5/108/10
The Verdict

On balance, the 1948 Jaguar XK120 makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1957 Porsche 356A Speedster counters with greater rarity, stronger collectibility, and its appeal extends beyond mere numbers. Choose the 1948 Jaguar XK120 for outright capability, or the 1957 Porsche 356A Speedster for a more distinctive ownership experience.

Overview

The rivalry between UK and Germany automotive industries has produced legendary matchups, and the 1948 Jaguar XK120 versus 1957 Porsche 356A Speedster is among the most fascinating. These two cars represent the best of their national engineering schools. The 1948 Jaguar XK120 holds a clear advantage in raw power with 180 hp compared to 60 hp, a 120-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Jaguar XK120 uses a Inline-6 DOHC 12V displacing 3,442 cc, while the Porsche 356A relies on a Flat-4 OHV 8V with 1,582 cc. In the sprint to 60 mph, the 1948 Jaguar XK120 edges ahead at 10.0 seconds versus 14.5 seconds. Rarity plays a significant role here — with only 1,171 units built, the 1957 Porsche 356A Speedster is considerably scarcer than the Jaguar XK120's 12,055 examples. On the collector market, the 1957 Porsche 356A Speedster commands a significant premium over the 1948 Jaguar XK120, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1957 Porsche 356A Speedster rates higher among enthusiasts and auction houses.