Volvo 1800S

vs

Mercedes-Benz 350 SL / 450 SL

Sweden vs West Germany — 1963 vs 1971

Volvo 1800S (1963)
Mercedes-Benz 350 SL / 450 SL (1971)
Specifications
1800S350 SL / 450 SL R107 450 SL
Horsepower108 hp225 hp
Torque113 lb-ft278 lb-ft
Engine Size1,780 cc4,520 cc
0-60 mph12.5 sec8.8 sec
Top Speed106 mph130 mph
¼ Mile18.5 sec16.5 sec
Weight3,505 lbs
Wheelbase2,450 mm2,460 mm
Length4,365 mm4,390 mm
Units Produced237,287
Original MSRP$17,660
Value (Excellent)$50,000$80,000
Collectibility5/107/10
Rarity5/103/10
The Verdict

The 1971 Mercedes-Benz 350 SL / 450 SL R107 450 SL emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1963 Volvo 1800S counters with its unique character, 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 1963 Volvo 1800S against the 1971 Mercedes-Benz 350 SL / 450 SL R107 450 SL is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Sweden versus West Germany. The 1971 Mercedes-Benz 350 SL / 450 SL R107 450 SL holds a clear advantage in raw power with 225 hp compared to 108 hp, a 117-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Volvo 1800S uses a Inline-4 OHV 8V displacing 1,780 cc, while the Mercedes-Benz 350 SL / 450 SL relies on a V8 SOHC with 4,520 cc. In the sprint to 60 mph, the 1971 Mercedes-Benz 350 SL / 450 SL R107 450 SL edges ahead at 8.8 seconds versus 12.5 seconds. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference. From a collectibility standpoint, the 1971 Mercedes-Benz 350 SL / 450 SL R107 450 SL rates higher among enthusiasts and auction houses.