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 5,300 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (322 HP @ 5300 RPM) has 94 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 914 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.
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, 2013 GMC Sierra (472 Nm @ 4400 RPM) has 261 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 | 5300 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 228 HP | 322 HP |
| Engine RPM | 8200 RPM | 5300 RPM |
| Torque | 211 Nm | 472 Nm |
| Torque RPM | 5500 RPM | 4400 RPM |
| Engine Bore Size | 87.5 mm | 96 mm |
| Engine Stroke Size | 85 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Flex Fuel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 6-speed automatic |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1428 kg | 2342 kg |
| Vehicle Length | 4440 mm | 5847 mm |
| Vehicle Width | 1780 mm | 2032 mm |
| Vehicle Height | 1350 mm | 1875 mm |
| Wheelbase Size | 2710 mm | 3645 mm |
| Fuel Tank Capacity | 61 L | 98 L |
