Mazda RX-7

vs

Dodge Viper ACR

Japan vs USA — 1992 vs 2016

Mazda RX-7 (1992)
Dodge Viper ACR (2016)
Specifications
RX-7 FD3S Twin TurboViper ACR Gen V
Horsepower255 hp645 hp
Torque217 lb-ft600 lb-ft
Engine Size1,308 cc8,382 cc
0-60 mph5.0 sec3.0 sec
Top Speed155 mph210 mph
¼ Mile13.7 sec11.1 sec
Weight2,888 lbs3,354 lbs
Wheelbase2,425 mm2,510 mm
Length4,285 mm4,463 mm
Units Produced68,589862
Original MSRP$31,300$117,895
Value (Excellent)$90,000$350,000
Collectibility9/109/10
Rarity7/108/10
The Verdict

The 2016 Dodge Viper ACR Gen V emerges ahead in most objective measures, offering more power, quicker acceleration, higher top speed. The 1992 Mazda RX-7 FD3S Twin Turbo 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

Putting the 1992 Mazda RX-7 FD3S Twin Turbo against the 2016 Dodge Viper ACR Gen V is a comparison that enthusiasts have debated for decades. Each car reflects distinct design philosophies shaped by different automotive cultures — Japan versus USA. The 2016 Dodge Viper ACR Gen V holds a clear advantage in raw power with 645 hp compared to 255 hp, a 390-horsepower difference that shapes the driving experience. Under the hood, the contrast is notable: the Mazda RX-7 uses a Twin-Rotor Wankel 13B-REW Twin Turbo displacing 1,308 cc, while the Dodge Viper ACR relies on a V10 OHV 20V with 8,382 cc. In the sprint to 60 mph, the 2016 Dodge Viper ACR Gen V edges ahead at 3.0 seconds versus 5.0 seconds. The Mazda RX-7 carries a weight advantage, tipping the scales 466 lbs lighter. Rarity plays a significant role here — with only 862 units built, the 2016 Dodge Viper ACR Gen V is considerably scarcer than the Mazda RX-7's 68,589 examples. On the collector market, the 2016 Dodge Viper ACR Gen V commands a significant premium over the 1992 Mazda RX-7 FD3S Twin Turbo, reflecting differences in prestige and rarity.