Mazda Cosmo Sport Series II (110S)

vs

Mazda Familia Rotary

Japan vs Japan — 1970 vs 1968

Mazda Cosmo Sport Series II (110S) (1970)
Mazda Familia Rotary (1968)
Specifications
Cosmo Sport Series II (110S)Familia Rotary 10A Coupe
Horsepower128 hp100 hp
Engine Size982 cc
Top Speed115 mph103 mph
Weight2,072 lbs
Wheelbase2,200 mm
Length4,140 mm
Units Produced1,176
Value (Excellent)$55,000
Collectibility10/108/10
Rarity10/108/10
The Verdict

The 1970 Mazda Cosmo Sport Series II (110S) holds an edge across most measurable criteria, offering more power, higher top speed, stronger collectibility. That said, the 1968 Mazda Familia Rotary 10A Coupe brings its own distinct appeal and remains a compelling choice for enthusiasts who value Mazda heritage. The right pick depends on whether you prioritize specifications or the intangible qualities that make a car truly special.

Overview

The 1970 Mazda Cosmo Sport Series II (110S) and 1968 Mazda Familia Rotary 10A Coupe share a manufacturer in Mazda, but that's where the similarities get interesting. These two models reveal the versatility and ambition of the Mazda brand. The 1970 Mazda Cosmo Sport Series II (110S) holds a clear advantage in raw power with 128 hp compared to 100 hp, a 28-horsepower difference that shapes the driving experience. The engine configurations differ significantly — a Twin-Rotor Wankel in the Mazda Cosmo Sport Series II (110S) versus a Rotary 10A in the Mazda Familia Rotary. The 1970 Mazda Cosmo Sport Series II (110S) claims a higher top speed at 115 mph compared to 103 mph. From a collectibility standpoint, the 1970 Mazda Cosmo Sport Series II (110S) rates higher among enthusiasts and auction houses.