Mazda R100

vs

Porsche 911

Japan vs Germany — 1968 vs 1972

Mazda R100 (1968)
Porsche 911 (1972)
Specifications
R100 Familia Rotary Coupe911 Carrera RS 2.7
Horsepower100 hp210 hp
Torque96 lb-ft188 lb-ft
Engine Size982 cc2,687 cc
0-60 mph10.2 sec5.5 sec
Top Speed115 mph152 mph
¼ Mile17.5 sec14.1 sec
Weight1,786 lbs2,150 lbs
Wheelbase2,270 mm2,271 mm
Length3,855 mm4,147 mm
Units Produced—1,580
Original MSRP$2,595—
Value (Excellent)$55,000$1,500,000
Collectibility7/1010/10
Rarity8/1010/10
The Verdict

The 1972 Porsche 911 Carrera RS 2.7 emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1968 Mazda R100 Familia Rotary Coupe counters with lighter weight, better value, 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

When Japan engineering meets Germany craftsmanship, the result is one of the most compelling matchups in the classic car world. The 1968 Mazda R100 Familia Rotary Coupe and 1972 Porsche 911 Carrera RS 2.7 embody their respective national automotive traditions while competing in the same arena. The 1972 Porsche 911 Carrera RS 2.7 holds a clear advantage in raw power with 210 hp compared to 100 hp, a 110-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mazda R100 uses a Wankel Rotary (10A) displacing 982 cc, while the Porsche 911 relies on a Flat-6 SOHC with 2,687 cc. In the sprint to 60 mph, the 1972 Porsche 911 Carrera RS 2.7 edges ahead at 5.5 seconds versus 10.2 seconds. The Mazda R100 carries a weight advantage, tipping the scales 364 lbs lighter. On the collector market, the 1972 Porsche 911 Carrera RS 2.7 commands a significant premium over the 1968 Mazda R100 Familia Rotary Coupe, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1972 Porsche 911 Carrera RS 2.7 rates higher among enthusiasts and auction houses.