2008 GMC Sierra vs. 2007 Mazda RX-8
To start off, 2008 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Mazda RX-8. In addition, the cost of maintenance, including insurance, on 2007 Mazda RX-8 would be higher. At 4,298 cc (6 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 Mazda RX-8 (232 HP @ 8500 RPM) has 37 more horse power than 2008 GMC Sierra. (195 HP @ 4600 RPM) In normal driving conditions, 2007 Mazda RX-8 should accelerate faster than 2008 GMC Sierra.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mazda RX-8. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 GMC Sierra (353 Nm @ 2800 RPM) has 137 more torque (in Nm) than 2007 Mazda RX-8. (216 Nm @ 5500 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Mazda RX-8. 2008 GMC Sierra has automatic transmission and 2007 Mazda RX-8 has manual transmission. 2007 Mazda RX-8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 GMC Sierra | 2007 Mazda RX-8 | |
| Make | GMC | Mazda |
| Model | Sierra | RX-8 |
| Year Released | 2008 | 2007 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4298 cc | 1308 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 195 HP | 232 HP |
| Engine RPM | 4600 RPM | 8500 RPM |
| Torque | 353 Nm | 216 Nm |
| Torque RPM | 2800 RPM | 5500 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 3 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5710 mm | 4430 mm |
| Vehicle Width | 2040 mm | 1780 mm |
| Vehicle Height | 1880 mm | 1350 mm |
| Wheelbase Size | 3030 mm | 2710 mm |
| Fuel Consumption Overall | 13.1 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 98 L | 60 L |
