1991 Mazda RX-7 vs. 1973 Mazda 929
To start off, 1991 Mazda RX-7 is newer by 18 year(s). Which means there will be less support and parts availability for 1973 Mazda 929. In addition, the cost of maintenance, including insurance, on 1973 Mazda 929 would be higher. At 2,616 cc, 1991 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1991 Mazda RX-7 (197 HP @ 6500 RPM) has 114 more horse power than 1973 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 1991 Mazda RX-7 should accelerate faster than 1973 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mazda RX-7 weights approximately 230 kg more than 1973 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Mazda RX-7 (271 Nm @ 3500 RPM) has 137 more torque (in Nm) than 1973 Mazda 929. (134 Nm @ 3000 RPM). This means 1991 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda 929.
Compare all specifications:
1991 Mazda RX-7 | 1973 Mazda 929 | |
Make | Mazda | Mazda |
Model | RX-7 | 929 |
Year Released | 1991 | 1973 |
Engine Position | Front | Front |
Engine Size | 2616 cc | 1769 cc |
Engine Type | dual-disk rotary | in-line |
Horse Power | 197 HP | 83 HP |
Engine RPM | 6500 RPM | 5000 RPM |
Torque | 271 Nm | 134 Nm |
Torque RPM | 3500 RPM | 3000 RPM |
Fuel Type | Gasoline | Gasoline |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1300 kg | 1070 kg |
Vehicle Length | 4320 mm | 4410 mm |
Vehicle Width | 1700 mm | 1670 mm |
Vehicle Height | 1270 mm | 1420 mm |
Wheelbase Size | 2440 mm | 2520 mm |
Fuel Tank Capacity | 75 L | 55 L |