Japan vs Japan — 1974 vs 1980
| RX-4 Coupe | RX-7 FB Savanna GT | |
|---|---|---|
| Horsepower | 110 hp | 130 hp |
| Torque | 119 lb-ft | 123 lb-ft |
| Engine Size | 1,308 cc | 1,146 cc |
| 0-60 mph | 9.8 sec | 9.2 sec |
| Top Speed | 115 mph | 124 mph |
| ¼ Mile | 17.2 sec | 16.8 sec |
| Weight | 2,535 lbs | 2,326 lbs |
| Wheelbase | 2,510 mm | 2,420 mm |
| Length | 4,530 mm | 4,285 mm |
| Units Produced | 86,522 | — |
| Original MSRP | $4,795 | — |
| Value (Excellent) | $35,000 | $35,000 |
| Collectibility | 6/10 | 8/10 |
| Rarity | 7/10 | 6/10 |
The 1980 Mazda RX-7 FB Savanna GT emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1974 Mazda RX-4 Coupe counters with its unique character, 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.
Tracing the evolution of the Mazda RX-4 from 1974 to 1980 offers a compelling look at how automotive design and engineering progressed. These two variants showcase the changing face of Mazda. The 1980 Mazda RX-7 FB Savanna GT holds a clear advantage in raw power with 130 hp compared to 110 hp, a 20-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mazda RX-4 uses a Rotary (Wankel) 13B displacing 1,308 cc, while the Mazda RX-7 relies on a Rotary Wankel with 1,146 cc. In the sprint to 60 mph, the 1980 Mazda RX-7 FB Savanna GT edges ahead at 9.2 seconds versus 9.8 seconds. The Mazda RX-7 carries a weight advantage, tipping the scales 209 lbs lighter. Both trade at comparable values on the collector market, making the choice between them largely one of personal preference. From a collectibility standpoint, the 1980 Mazda RX-7 FB Savanna GT rates higher among enthusiasts and auction houses.