2004 Mazda RX-8 vs. 1975 Mazda RX 4 Coupe
To start off, 2004 Mazda RX-8 is newer by 29 year(s). Which means there will be less support and parts availability for 1975 Mazda RX 4 Coupe. In addition, the cost of maintenance, including insurance, on 1975 Mazda RX 4 Coupe would be higher. Both 2004 Mazda RX-8 and 1975 Mazda RX 4 Coupe are equipped with a 2,616 cc engine. In terms of performance, 2004 Mazda RX-8 (189 HP @ 7000 RPM) has 75 more horse power than 1975 Mazda RX 4 Coupe. (114 HP @ 6000 RPM). In normal driving conditions, 2004 Mazda RX-8 should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mazda RX-8 weights approximately 282 kg more than 1975 Mazda RX 4 Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Mazda RX-8 (220 Nm @ 5000 RPM) has 55 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 2004 Mazda RX-8 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX 4 Coupe.
Compare all specifications:
| 2004 Mazda RX-8 | 1975 Mazda RX 4 Coupe | |
| Make | Mazda | Mazda |
| Model | RX-8 | RX 4 Coupe |
| Year Released | 2004 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 2616 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 189 HP | 114 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 220 Nm | 165 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1392 kg | 1110 kg |
| Vehicle Length | 4440 mm | 4400 mm |
| Vehicle Width | 1780 mm | 1670 mm |
| Vehicle Height | 1350 mm | 1390 mm |
| Wheelbase Size | 2710 mm | 2520 mm |
