2004 Mazda RX-8 vs. 1990 Renault 21
To start off, 2004 Mazda RX-8 is newer by 14 year(s). Which means there will be less support and parts availability for 1990 Renault 21. In addition, the cost of maintenance, including insurance, on 1990 Renault 21 would be higher. At 2,616 cc, 2004 Mazda RX-8 is equipped with a bigger engine. In terms of performance, 2004 Mazda RX-8 (189 HP @ 7000 RPM) has 14 more horse power than 1990 Renault 21. (175 HP @ 5200 RPM). In normal driving conditions, 2004 Mazda RX-8 should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mazda RX-8 weights approximately 47 kg more than 1990 Renault 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1990 Renault 21 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Mazda RX-8. In wet, icy, snow, or gravel driving conditions, 1990 Renault 21 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1990 Renault 21 (271 Nm @ 3000 RPM) has 51 more torque (in Nm) than 2004 Mazda RX-8. (220 Nm @ 5000 RPM). This means 1990 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 2004 Mazda RX-8.
Compare all specifications:
| 2004 Mazda RX-8 | 1990 Renault 21 | |
| Make | Mazda | Renault |
| Model | RX-8 | 21 |
| Year Released | 2004 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 2068 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 189 HP | 175 HP |
| Engine RPM | 7000 RPM | 5200 RPM |
| Torque | 220 Nm | 271 Nm |
| Torque RPM | 5000 RPM | 3000 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1392 kg | 1345 kg |
| Vehicle Length | 4440 mm | 4650 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1350 mm | 1450 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Tank Capacity | 61 L | 62 L |
