2006 Mazda RX-8 vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 2006 Mazda RX-8. In addition, the cost of maintenance, including insurance, on 2006 Mazda RX-8 would be higher. At 4,800 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (298 HP @ 5600 RPM) has 70 more horse power than 2006 Mazda RX-8. (228 HP @ 8200 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 2006 Mazda RX-8. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 843 kg more than 2006 Mazda RX-8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2006 Mazda RX-8. In wet, icy, snow, or gravel driving conditions, 2013 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, 2013 GMC Sierra (414 Nm @ 4600 RPM) has 203 more torque (in Nm) than 2006 Mazda RX-8. (211 Nm @ 5500 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 Mazda RX-8. 2013 GMC Sierra has automatic transmission and 2006 Mazda RX-8 has manual transmission. 2006 Mazda RX-8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Mazda RX-8 | 2013 GMC Sierra | |
| Make | Mazda | GMC |
| Model | RX-8 | Sierra |
| Year Released | 2006 | 2013 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1308 cc | 4800 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 228 HP | 298 HP |
| Engine RPM | 8200 RPM | 5600 RPM |
| Torque | 211 Nm | 414 Nm |
| Torque RPM | 5500 RPM | 4600 RPM |
| Engine Bore Size | 87.5 mm | 96 mm |
| Engine Stroke Size | 85 mm | 83 mm |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | 4-speed automatic |
| Number of Seats | 4 seats | 3 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1428 kg | 2271 kg |
| Vehicle Length | 4440 mm | 5702 mm |
| Vehicle Width | 1780 mm | 2031 mm |
| Vehicle Height | 1350 mm | 1875 mm |
| Wheelbase Size | 2710 mm | 3378 mm |
| Fuel Tank Capacity | 61 L | 129 L |
