Ferrari Testarossa

vs

Ferrari 166 MM

Italy vs Italy — 1984 vs 1947

Ferrari Testarossa (1984)
Ferrari 166 MM (1947)
Specifications
Testarossa Testarossa166 MM Barchetta
Horsepower390 hp140 hp
Torque361 lb-ft127 lb-ft
Engine Size4,942 cc1,995 cc
0-60 mph5.2 sec8.0 sec
Top Speed180 mph137 mph
¼ Mile13.3 sec16.0 sec
Weight3,320 lbs
Wheelbase2,550 mm2,200 mm
Length4,485 mm3,950 mm
Units Produced10,00025
Original MSRP$87,000
Value (Excellent)$300,000$8,000,000
Collectibility8/105/10
Rarity5/1010/10
The Verdict

The 1984 Ferrari Testarossa Testarossa holds an edge across most measurable criteria, offering more power, quicker acceleration, higher top speed. That said, the 1947 Ferrari 166 MM Barchetta brings greater rarity and remains a compelling choice for enthusiasts who value Ferrari heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.

Overview

The 1984 Ferrari Testarossa Testarossa and 1947 Ferrari 166 MM Barchetta share a manufacturer in Ferrari, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Ferrari brand. The 1984 Ferrari Testarossa Testarossa holds a clear advantage in raw power with 390 hp compared to 140 hp, a 250-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Ferrari Testarossa uses a Flat-12 DOHC 48V displacing 4,942 cc, while the Ferrari 166 MM relies on a V12 SOHC 12V with 1,995 cc. In the sprint to 60 mph, the 1984 Ferrari Testarossa Testarossa edges ahead at 5.2 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 Testarossa's 10,000 examples. On the collector market, the 1947 Ferrari 166 MM Barchetta commands a significant premium over the 1984 Ferrari Testarossa Testarossa, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1984 Ferrari Testarossa Testarossa rates higher among enthusiasts and auction houses.