1998 Mazda RX-7 vs. 1986 Mazda 929
To start off, 1998 Mazda RX-7 is newer by 12 year(s). Which means there will be less support and parts availability for 1986 Mazda 929. In addition, the cost of maintenance, including insurance, on 1986 Mazda 929 would be higher. At 2,616 cc, 1998 Mazda RX-7 is equipped with a bigger engine. In terms of performance, 1998 Mazda RX-7 (280 HP @ 6500 RPM) has 191 more horse power than 1986 Mazda 929. (89 HP @ 4800 RPM). In normal driving conditions, 1998 Mazda RX-7 should accelerate faster than 1986 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1998 Mazda RX-7 weights approximately 120 kg more than 1986 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, 1998 Mazda RX-7 (315 Nm @ 5000 RPM) has 155 more torque (in Nm) than 1986 Mazda 929. (160 Nm @ 2600 RPM). This means 1998 Mazda RX-7 will have an easier job in driving up hills or pulling heavy equipment than 1986 Mazda 929.
Compare all specifications:
| 1998 Mazda RX-7 | 1986 Mazda 929 | |
| Make | Mazda | Mazda |
| Model | RX-7 | 929 |
| Year Released | 1998 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 1970 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 280 HP | 89 HP |
| Engine RPM | 6500 RPM | 4800 RPM |
| Torque | 315 Nm | 160 Nm |
| Torque RPM | 5000 RPM | 2600 RPM |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1270 kg | 1150 kg |
| Vehicle Length | 4290 mm | 4710 mm |
| Vehicle Width | 1770 mm | 1700 mm |
| Vehicle Height | 1240 mm | 1430 mm |
| Wheelbase Size | 2430 mm | 2620 mm |
