Mercedes-Benz 300 SL

vs

AC Ace

Germany vs United Kingdom — 1955 vs 1956

Mercedes-Benz 300 SL (1955)
AC Ace (1956)
Specifications
300 SL GullwingAce Bristol
Horsepower215 hp125 hp
Torque203 lb-ft124 lb-ft
Engine Size2,996 cc1,971 cc
0-60 mph8.8 sec9.0 sec
Top Speed161 mph120 mph
¼ Mile16.3 sec16.5 sec
Weight2,855 lbs1,880 lbs
Wheelbase2,400 mm2,286 mm
Length4,520 mm3,835 mm
Units Produced1,400466
Original MSRP$6,820
Value (Excellent)$3,000,000$500,000
Collectibility10/109/10
Rarity9/109/10
The Verdict

This matchup is remarkably close. The 1955 Mercedes-Benz 300 SL Gullwing offers more power, quicker acceleration, higher top speed, while the 1956 AC Ace Bristol counters with lighter weight, greater rarity, better value. Neither holds a decisive advantage, making this a true enthusiast's dilemma. Your choice ultimately depends on which driving philosophy resonates more with you.

Overview

When Germany engineering meets United Kingdom craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1955 Mercedes-Benz 300 SL Gullwing and 1956 AC Ace Bristol embody their respective national automotive traditions while competing in the same arena. The 1955 Mercedes-Benz 300 SL Gullwing holds a clear advantage in raw power with 215 hp compared to 125 hp, a 90-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mercedes-Benz 300 SL uses a Inline-6 SOHC displacing 2,996 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 1955 Mercedes-Benz 300 SL Gullwing edges ahead at 8.8 seconds versus 9.0 seconds. The AC Ace carries a weight advantage, tipping the scales 975 lbs lighter. On the collector market, the 1955 Mercedes-Benz 300 SL Gullwing commands a significant premium over the 1956 AC Ace Bristol, reflecting differences in prestige and rarity.