2005 GMC Sierra vs. 2009 Mazda RX-8
To start off, 2009 Mazda RX-8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 89 more horse power than 2009 Mazda RX-8. (232 HP @ 8500 RPM). In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2009 Mazda RX-8. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1145 kg more than 2009 Mazda RX-8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mazda RX-8. In wet, icy, snow, or gravel driving conditions, 2005 GMC Sierra 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, 2005 GMC Sierra (370 Nm @ 4000 RPM) has 154 more torque (in Nm) than 2009 Mazda RX-8. (216 Nm @ 5500 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Mazda RX-8. 2005 GMC Sierra has automatic transmission and 2009 Mazda RX-8 has manual transmission. 2009 Mazda RX-8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 GMC Sierra | 2009 Mazda RX-8 | |
| Make | GMC | Mazda |
| Model | Sierra | RX-8 |
| Year Released | 2005 | 2009 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 1308 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 321 HP | 232 HP |
| Engine RPM | 5000 RPM | 8500 RPM |
| Torque | 370 Nm | 216 Nm |
| Torque RPM | 4000 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2270 kg | 1125 kg |
| Vehicle Length | 5790 mm | 4470 mm |
| Vehicle Width | 2000 mm | 1780 mm |
| Vehicle Height | 1850 mm | 1350 mm |
| Wheelbase Size | 3650 mm | 2710 mm |
| Fuel Consumption Overall | 13.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 117 L | 64 L |
