AC Ace

vs

Mercedes-Benz 300 SL

UK vs Germany — 1953 vs 1955

AC Ace (1953)
Mercedes-Benz 300 SL (1955)
Specifications
Ace300 SL Gullwing
Horsepower102 hp215 hp
Torque105 lb-ft203 lb-ft
Engine Size1,991 cc2,996 cc
0-60 mph11.4 sec8.8 sec
Top Speed117 mph161 mph
¼ Mile17.5 sec16.3 sec
Weight1,850 lbs2,855 lbs
Wheelbase2,286 mm2,400 mm
Length3,835 mm4,520 mm
Units Produced7231,400
Original MSRP$3,854$6,820
Value (Excellent)$350,000$3,000,000
Collectibility9/1010/10
Rarity8/109/10
The Verdict

The 1955 Mercedes-Benz 300 SL Gullwing 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

Putting the 1953 AC Ace against the 1955 Mercedes-Benz 300 SL Gullwing is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — UK versus Germany. The 1955 Mercedes-Benz 300 SL Gullwing holds a clear advantage in raw power with 215 hp compared to 102 hp, a 113-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 Mercedes-Benz 300 SL relies on a Inline-6 SOHC with 2,996 cc. In the sprint to 60 mph, the 1955 Mercedes-Benz 300 SL Gullwing edges ahead at 8.8 seconds versus 11.4 seconds. The AC Ace carries a weight advantage, tipping the scales 1005 lbs lighter. On the collector market, the 1955 Mercedes-Benz 300 SL Gullwing commands a significant premium over the 1953 AC Ace, reflecting differences in prestige and rarity.