1991 Holden Commodore vs. 2004 Mazda RX-8
To start off, 2004 Mazda RX-8 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Holden Commodore. In addition, the cost of maintenance, including insurance, on 1991 Holden Commodore would be higher. At 3,791 cc (6 cylinders), 1991 Holden Commodore is equipped with a bigger engine. In terms of performance, 2004 Mazda RX-8 (189 HP @ 7000 RPM) has 17 more horse power than 1991 Holden Commodore. (172 HP @ 4800 RPM) In normal driving conditions, 2004 Mazda RX-8 should accelerate faster than 1991 Holden Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1991 Holden Commodore weights approximately 3 kg more than 2004 Mazda RX-8.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1991 Holden Commodore (288 Nm @ 3200 RPM) has 68 more torque (in Nm) than 2004 Mazda RX-8. (220 Nm @ 5000 RPM). This means 1991 Holden Commodore will have an easier job in driving up hills or pulling heavy equipment than 2004 Mazda RX-8.
Compare all specifications:
| 1991 Holden Commodore | 2004 Mazda RX-8 | |
| Make | Holden | Mazda |
| Model | Commodore | RX-8 |
| Year Released | 1991 | 2004 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2616 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 172 HP | 189 HP |
| Engine RPM | 4800 RPM | 7000 RPM |
| Torque | 288 Nm | 220 Nm |
| Torque RPM | 3200 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1392 kg |
| Vehicle Length | 4900 mm | 4440 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1410 mm | 1350 mm |
| Wheelbase Size | 2740 mm | 2710 mm |
