Mazda RX-3

vs

Mazda 787B

Japan vs Japan — 1971 vs 1991

Mazda RX-3 (1971)
Mazda 787B (1991)
Specifications
RX-3 Savanna GT787B
Horsepower110 hp700 hp
Torque101 lb-ft448 lb-ft
Engine Size1,146 cc2,616 cc
0-60 mph9.0 sec
Top Speed118 mph225 mph
¼ Mile16.5 sec
Weight2,061 lbs1,830 lbs
Wheelbase2,310 mm2,610 mm
Length4,065 mm4,782 mm
Units Produced286,0003
Original MSRP$3,200
Value (Excellent)$80,000$35,000,000
Collectibility8/1010/10
Rarity7/1010/10
The Verdict

The 1991 Mazda 787B emerges ahead in most objective measures, offering more power, higher top speed, lighter weight. The 1971 Mazda RX-3 Savanna GT counters with 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

The 1971 Mazda RX-3 Savanna GT and 1991 Mazda 787B 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 1991 Mazda 787B holds a clear advantage in raw power with 700 hp compared to 110 hp, a 590-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mazda RX-3 uses a Wankel Rotary Twin-Rotor displacing 1,146 cc, while the Mazda 787B relies on a Quad-Rotor Wankel (R26B) with 2,616 cc. The 1991 Mazda 787B claims a higher top speed at 225 mph compared to 118 mph. The Mazda 787B carries a weight advantage, tipping the scales 231 lbs lighter. Rarity plays a significant role here — with only 3 units built, the 1991 Mazda 787B is considerably scarcer than the Mazda RX-3's 286,000 examples. On the collector market, the 1991 Mazda 787B commands a significant premium over the 1971 Mazda RX-3 Savanna GT, reflecting differences in prestige and rarity. From a collectibility standpoint, the 1991 Mazda 787B rates higher among enthusiasts and auction houses.