Mazda RX-3

vs

Mazda RX-4

Japan vs Japan — 1971 vs 1972

Mazda RX-3 (1971)
Mazda RX-4 (1972)
Specifications
RX-3 Savanna GTRX-4
Horsepower110 hp110 hp
Torque101 lb-ft102 lb-ft
Engine Size1,146 cc1,146 cc
0-60 mph9.0 sec10.5 sec
Top Speed118 mph112 mph
¼ Mile16.5 sec17.5 sec
Weight2,061 lbs2,535 lbs
Wheelbase2,310 mm2,510 mm
Length4,065 mm4,410 mm
Units Produced286,00071,690
Original MSRP$3,200
Value (Excellent)$80,000
Collectibility8/105/10
Rarity7/105/10
The Verdict

The 1971 Mazda RX-3 Savanna GT holds an edge across most measurable criteria, offering quicker acceleration, higher top speed, lighter weight. That said, the 1972 Mazda RX-4 brings greater rarity 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 Mazda RX-3 lineage tells a fascinating story of automotive evolution. Comparing the 1971 Mazda RX-3 Savanna GT with the 1972 Mazda RX-4 reveals how Mazda refined and reimagined one of its most important nameplates over the years. On paper, the two are remarkably close in power output, with the 1971 Mazda RX-3 Savanna GT producing 110 hp and the 1972 Mazda RX-4 delivering 110 hp. Under the hood, the contrast is notable: the Mazda RX-3 uses a Wankel Rotary Twin-Rotor displacing 1,146 cc, while the Mazda RX-4 relies on a Twin-rotor Wankel with 1,146 cc. In the sprint to 60 mph, the 1971 Mazda RX-3 Savanna GT edges ahead at 9.0 seconds versus 10.5 seconds. The Mazda RX-3 carries a weight advantage, tipping the scales 474 lbs lighter. Rarity plays a significant role here — with only 71,690 units built, the 1972 Mazda RX-4 is considerably scarcer than the Mazda RX-3's 286,000 examples. From a collectibility standpoint, the 1971 Mazda RX-3 Savanna GT rates higher among enthusiasts and auction houses.