Aston Martin DB4 GT Zagato

vs

Mercedes-Benz 300 SL Roadster

UK vs Germany — 1958 vs 1957

Aston Martin DB4 GT Zagato (1958)
Mercedes-Benz 300 SL Roadster (1957)
Specifications
DB4 GT Zagato GT Zagato300 SL Roadster
Horsepower314 hp215 hp
Torque278 lb-ft203 lb-ft
Engine Size3,670 cc2,996 cc
0-60 mph6.1 sec7.5 sec
Top Speed153 mph155 mph
¼ Mile14.0 sec15.5 sec
Weight3,131 lbs
Wheelbase2,362 mm2,400 mm
Length4,380 mm4,520 mm
Units Produced191,858
Original MSRP$11,000
Value (Excellent)$16,000,000$2,000,000
Collectibility5/1010/10
Rarity10/109/10
The Verdict

Two outstanding machines, each with compelling strengths. The 1958 Aston Martin DB4 GT Zagato GT Zagato excels in more power, quicker acceleration, greater rarity, while the 1957 Mercedes-Benz 300 SL Roadster stands out for higher top speed, stronger collectibility, better value. The best advice? Drive both if you can, then follow your instincts.

Overview

Putting the 1958 Aston Martin DB4 GT Zagato GT Zagato against the 1957 Mercedes-Benz 300 SL Roadster is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — UK versus Germany. The 1958 Aston Martin DB4 GT Zagato GT Zagato holds a clear advantage in raw power with 314 hp compared to 215 hp, a 99-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Aston Martin DB4 GT Zagato uses a Inline-6 DOHC 12V displacing 3,670 cc, while the Mercedes-Benz 300 SL Roadster relies on a Inline-6 SOHC with 2,996 cc. In the sprint to 60 mph, the 1958 Aston Martin DB4 GT Zagato GT Zagato edges ahead at 6.1 seconds versus 7.5 seconds. Rarity plays a significant role here — with only 19 units built, the 1958 Aston Martin DB4 GT Zagato GT Zagato is considerably scarcer than the Mercedes-Benz 300 SL Roadster's 1,858 examples. On the collector market, the 1958 Aston Martin DB4 GT Zagato GT Zagato commands a significant premium over the 1957 Mercedes-Benz 300 SL Roadster, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1957 Mercedes-Benz 300 SL Roadster rates higher among enthusiasts and auction houses.