Ferrari 308 GTB

vs

Ferrari 166 MM

Italy vs Italy — 1975 vs 1947

Ferrari 308 GTB (1975)
Ferrari 166 MM (1947)
Specifications
308 GTB GTB Quattrovalvole166 MM Barchetta
Horsepower240 hp140 hp
Torque190 lb-ft127 lb-ft
Engine Size2,926 cc1,995 cc
0-60 mph6.5 sec8.0 sec
Top Speed158 mph137 mph
¼ Mile14.8 sec16.0 sec
Weight2,844 lbs
Wheelbase2,340 mm2,200 mm
Length4,230 mm3,950 mm
Units Produced12,00425
Original MSRP$48,000
Value (Excellent)$160,000$8,000,000
Collectibility8/105/10
Rarity5/1010/10
The Verdict

On balance, the 1975 Ferrari 308 GTB GTB Quattrovalvole makes a stronger case on paper with more power, quicker acceleration, higher top speed. However, the 1947 Ferrari 166 MM Barchetta counters with greater rarity, and its appeal extends beyond mere numbers. Choose the 1975 Ferrari 308 GTB GTB Quattrovalvole for outright capability, or the 1947 Ferrari 166 MM Barchetta for a more distinctive ownership experience.

Overview

Ferrari has long offered a diverse lineup, and comparing the 1975 Ferrari 308 GTB GTB Quattrovalvole with the 1947 Ferrari 166 MM Barchetta highlights the breadth of the marque's engineering philosophy. The 1975 Ferrari 308 GTB GTB Quattrovalvole holds a clear advantage in raw power with 240 hp compared to 140 hp, a 100-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Ferrari 308 GTB uses a V8 DOHC 32V displacing 2,926 cc, while the Ferrari 166 MM relies on a V12 SOHC 12V with 1,995 cc. In the sprint to 60 mph, the 1975 Ferrari 308 GTB GTB Quattrovalvole edges ahead at 6.5 seconds versus 8.0 seconds. Rarity plays a significant role here — with only 25 units built, the 1947 Ferrari 166 MM Barchetta is considerably scarcer than the Ferrari 308 GTB's 12,004 examples. On the collector market, the 1947 Ferrari 166 MM Barchetta commands a significant premium over the 1975 Ferrari 308 GTB GTB Quattrovalvole, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1975 Ferrari 308 GTB GTB Quattrovalvole rates higher among enthusiasts and auction houses.