1979 Mazda 929 vs. 2009 Mazda RX-8
To start off, 2009 Mazda RX-8 is newer by 30 year(s). Which means there will be less support and parts availability for 1979 Mazda 929. In addition, the cost of maintenance, including insurance, on 1979 Mazda 929 would be higher. At 1,767 cc (4 cylinders), 1979 Mazda 929 is equipped with a bigger engine. In terms of performance, 2009 Mazda RX-8 (228 HP @ 8200 RPM) has 145 more horse power than 1979 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2009 Mazda RX-8 should accelerate faster than 1979 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mazda RX-8 weights approximately 355 kg more than 1979 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, 2009 Mazda RX-8 (211 Nm @ 5500 RPM) has 77 more torque (in Nm) than 1979 Mazda 929. (134 Nm @ 3000 RPM). This means 2009 Mazda RX-8 will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 929.
Compare all specifications:
| 1979 Mazda 929 | 2009 Mazda RX-8 | |
| Make | Mazda | Mazda |
| Model | 929 | RX-8 |
| Year Released | 1979 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1767 cc | 1306 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 83 HP | 228 HP |
| Engine RPM | 5000 RPM | 8200 RPM |
| Torque | 134 Nm | 211 Nm |
| Torque RPM | 3000 RPM | 5500 RPM |
| Engine Bore Size | 80 mm | 78 mm |
| Engine Stroke Size | 88 mm | 83.6 mm |
| Engine Compression Ratio | 8.6:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1070 kg | 1425 kg |
| Vehicle Length | 4410 mm | 4440 mm |
| Vehicle Width | 1670 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1350 mm |
| Wheelbase Size | 2520 mm | 2710 mm |
| Fuel Tank Capacity | 55 L | 61 L |
