2007 GMC Sierra vs. 2008 Mazda 6
To start off, 2008 Mazda 6 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2007 GMC Sierra would be higher. At 5,998 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (345 HP @ 5200 RPM) has 200 more horse power than 2008 Mazda 6. (145 HP @ 6500 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2008 Mazda 6.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mazda 6. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 GMC Sierra (515 Nm @ 4000 RPM) has 331 more torque (in Nm) than 2008 Mazda 6. (184 Nm @ 4000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Mazda 6. 2007 GMC Sierra has automatic transmission and 2008 Mazda 6 has manual transmission. 2008 Mazda 6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 GMC Sierra | 2008 Mazda 6 | |
| Make | GMC | Mazda |
| Model | Sierra | 6 |
| Year Released | 2007 | 2008 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 1999 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 345 HP | 145 HP |
| Engine RPM | 5200 RPM | 6500 RPM |
| Torque | 515 Nm | 184 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 102 mm | 87.5 mm |
| Engine Stroke Size | 92 mm | 83.1 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5850 mm | 4760 mm |
| Vehicle Width | 2000 mm | 1800 mm |
| Vehicle Height | 1910 mm | 1450 mm |
| Wheelbase Size | 3650 mm | 2730 mm |
| Fuel Consumption Overall | 15.8 L/100km | 7 L/100km |
| Fuel Tank Capacity | 98 L | 64 L |
