Porsche 356

vs

AC Ace

Germany vs United Kingdom — 1948 vs 1956

Porsche 356 (1948)
AC Ace (1956)
Specifications
356 SpeedsterAce Bristol
Horsepower70 hp125 hp
Torque75 lb-ft124 lb-ft
Engine Size1,582 cc1,971 cc
0-60 mph13.5 sec9.0 sec
Top Speed100 mph120 mph
¼ Mile18.5 sec16.5 sec
Weight1,852 lbs1,880 lbs
Wheelbase2,100 mm2,286 mm
Length3,950 mm3,835 mm
Units Produced4,145466
Original MSRP$2,995
Value (Excellent)$700,000$500,000
Collectibility10/109/10
Rarity7/109/10
The Verdict

The 1956 AC Ace Bristol emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1948 Porsche 356 Speedster counters with stronger collectibility, 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

When Germany engineering meets United Kingdom craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1948 Porsche 356 Speedster and 1956 AC Ace Bristol embody their respective national automotive traditions while competing in the same arena. The 1956 AC Ace Bristol holds a clear advantage in raw power with 125 hp compared to 70 hp, a 55-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 AC Ace relies on a Inline-6 OHV (Bristol BS1 Mk II) with 1,971 cc. In the sprint to 60 mph, the 1956 AC Ace Bristol edges ahead at 9.0 seconds versus 13.5 seconds. Rarity plays a significant role here — with only 466 units built, the 1956 AC Ace Bristol is considerably scarcer than the Porsche 356's 4,145 examples.