2003 Buick Rainier vs. 2005 Mazda RX-8
To start off, 2005 Mazda RX-8 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2003 Buick Rainier would be higher. At 5,300 cc (8 cylinders), 2003 Buick Rainier is equipped with a bigger engine. In terms of performance, 2003 Buick Rainier (286 HP @ 5200 RPM) has 89 more horse power than 2005 Mazda RX-8. (197 HP @ 4000 RPM). In normal driving conditions, 2003 Buick Rainier should accelerate faster than 2005 Mazda RX-8. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Rainier weights approximately 820 kg more than 2005 Mazda RX-8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mazda RX-8. In wet, icy, snow, or gravel driving conditions, 2003 Buick Rainier 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, 2003 Buick Rainier (441 Nm @ 4000 RPM) has 219 more torque (in Nm) than 2005 Mazda RX-8. (222 Nm @ 5500 RPM). This means 2003 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda RX-8.
Compare all specifications:
| 2003 Buick Rainier | 2005 Mazda RX-8 | |
| Make | Buick | Mazda |
| Model | Rainier | RX-8 |
| Year Released | 2003 | 2005 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 1311 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 286 HP | 197 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 441 Nm | 222 Nm |
| Torque RPM | 4000 RPM | 5500 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 2205 kg | 1385 kg |
| Vehicle Length | 4920 mm | 4430 mm |
| Vehicle Width | 1920 mm | 1780 mm |
| Vehicle Height | 1900 mm | 1350 mm |
| Wheelbase Size | 2880 mm | 2680 mm |
