Aston Martin DB1

vs

AC Ace

UK vs United Kingdom — 1949 vs 1956

Aston Martin DB1 (1949)
AC Ace (1956)
Specifications
DB1 2-Litre SportsAce Bristol
Horsepower90 hp125 hp
Torque110 lb-ft124 lb-ft
Engine Size1,970 cc1,971 cc
0-60 mph14.2 sec9.0 sec
Top Speed93 mph120 mph
¼ Mile16.5 sec
Weight2,359 lbs1,880 lbs
Wheelbase2,743 mm2,286 mm
Length4,140 mm3,835 mm
Units Produced15466
Value (Excellent)$900,000$500,000
Collectibility10/109/10
Rarity10/109/10
The Verdict

The 1956 AC Ace Bristol emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1949 Aston Martin DB1 2-Litre Sports counters with greater rarity, 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 UK engineering meets United Kingdom craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1949 Aston Martin DB1 2-Litre Sports 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 90 hp, a 35-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Aston Martin DB1 uses a Inline-4 DOHC displacing 1,970 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 14.2 seconds. The AC Ace carries a weight advantage, tipping the scales 479 lbs lighter. Rarity plays a significant role here — with only 15 units built, the 1949 Aston Martin DB1 2-Litre Sports is considerably scarcer than the AC Ace's 466 examples. On the collector market, the 1949 Aston Martin DB1 2-Litre Sports commands a significant premium over the 1956 AC Ace Bristol, reflecting differences in prestige and rarity.