AC Ace

vs

Jaguar XKSS

UK vs UK — 1953 vs 1957

AC Ace (1953)
Jaguar XKSS (1957)
Specifications
AceXKSS Production
Horsepower102 hp250 hp
Torque105 lb-ft240 lb-ft
Engine Size1,991 cc3,442 cc
0-60 mph11.4 sec5.2 sec
Top Speed117 mph140 mph
¼ Mile17.5 sec13.8 sec
Weight1,850 lbs2,050 lbs
Wheelbase2,286 mm2,286 mm
Length3,835 mm3,988 mm
Units Produced72316
Original MSRP$3,854$6,900
Value (Excellent)$350,000$18,000,000
Collectibility9/1010/10
Rarity8/1010/10
The Verdict

The 1957 Jaguar XKSS Production emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1953 AC Ace counters with lighter weight, better value, but the numbers favor its rival. Still, both are remarkable machines, and the final choice often comes down to which driving experience speaks to you.

Overview

The 1953 AC Ace and 1957 Jaguar XKSS Production stand as two of the most notable Sports Car cars from Post-war. Both emerged during a period of intense competition, and choosing between them remains a passionate debate among collectors. The 1957 Jaguar XKSS Production holds a clear advantage in raw power with 250 hp compared to 102 hp, a 148-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the AC Ace uses a Inline-6 SOHC 12V displacing 1,991 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 11.4 seconds. Rarity plays a significant role here — with only 16 units built, the 1957 Jaguar XKSS Production is considerably scarcer than the AC Ace's 723 examples. On the collector market, the 1957 Jaguar XKSS Production commands a significant premium over the 1953 AC Ace, reflecting differences in prestige and rarity.