2009 GMC Sierra vs. 2005 Mazda RX-8
To start off, 2009 GMC Sierra is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Mazda RX-8. In addition, the cost of maintenance, including insurance, on 2005 Mazda RX-8 would be higher. At 5,967 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (327 HP @ 5100 RPM) has 99 more horse power than 2005 Mazda RX-8. (228 HP @ 8200 RPM). In normal driving conditions, 2009 GMC Sierra should accelerate faster than 2005 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, 2009 GMC Sierra (367 Nm @ 4100 RPM) has 156 more torque (in Nm) than 2005 Mazda RX-8. (211 Nm @ 5500 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda RX-8. 2009 GMC Sierra has automatic transmission and 2005 Mazda RX-8 has manual transmission. 2005 Mazda RX-8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 GMC Sierra | 2005 Mazda RX-8 | |
| Make | GMC | Mazda |
| Model | Sierra | RX-8 |
| Year Released | 2009 | 2005 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5967 cc | 1308 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 327 HP | 228 HP |
| Engine RPM | 5100 RPM | 8200 RPM |
| Torque | 367 Nm | 211 Nm |
| Torque RPM | 4100 RPM | 5500 RPM |
| Engine Compression Ratio | 10.8:1 | 10.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Wheelbase Size | 2950 mm | 2840 mm |
| Fuel Tank Capacity | 98 L | 61 L |
