Iso Grifo

vs

Mercedes-Benz 350 SL / 450 SL

Italy vs West Germany — 1965 vs 1971

Iso Grifo (1965)
Mercedes-Benz 350 SL / 450 SL (1971)
Specifications
Grifo GL 365350 SL / 450 SL R107 450 SL
Horsepower365 hp225 hp
Torque278 lb-ft
Engine Size5,359 cc4,520 cc
0-60 mph8.8 sec
Top Speed130 mph
¼ Mile16.5 sec
Weight3,505 lbs
Wheelbase2,500 mm2,460 mm
Length4,480 mm4,390 mm
Units Produced412237,287
Original MSRP$17,660
Value (Excellent)$800,000$80,000
Collectibility5/107/10
Rarity10/103/10
The Verdict

It's a closely fought contest. The 1965 Iso Grifo GL 365 brings more power, greater rarity to the table, and the 1971 Mercedes-Benz 350 SL / 450 SL R107 450 SL answers with stronger collectibility, better value. Both are excellent machines that reward their owners in different ways — there's no wrong answer here.

Overview

The rivalry between Italy and West Germany automotive industries has produced legendary matchups, and the 1965 Iso Grifo GL 365 versus 1971 Mercedes-Benz 350 SL / 450 SL R107 450 SL is among the most fascinating. These two cars represent the best of their national engineering schools. The 1965 Iso Grifo GL 365 holds a clear advantage in raw power with 365 hp compared to 225 hp, a 140-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Iso Grifo uses a V8 displacing 5,359 cc, while the Mercedes-Benz 350 SL / 450 SL relies on a V8 SOHC with 4,520 cc. Rarity plays a significant role here — with only 412 units built, the 1965 Iso Grifo GL 365 is considerably scarcer than the Mercedes-Benz 350 SL / 450 SL's 237,287 examples. On the collector market, the 1965 Iso Grifo GL 365 commands a significant premium over the 1971 Mercedes-Benz 350 SL / 450 SL R107 450 SL, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1971 Mercedes-Benz 350 SL / 450 SL R107 450 SL rates higher among enthusiasts and auction houses.