2007 GMC Sierra vs. 2008 Scion xB
To start off, 2008 Scion xB 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 6,172 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (403 HP @ 5700 RPM) has 245 more horse power than 2008 Scion xB. (158 HP @ 6000 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2008 Scion xB. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1148 kg more than 2008 Scion xB. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2008 Scion xB. 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 (565 Nm @ 4300 RPM) has 345 more torque (in Nm) than 2008 Scion xB. (220 Nm @ 4000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Scion xB. 2007 GMC Sierra has automatic transmission and 2008 Scion xB has manual transmission. 2008 Scion xB 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 Scion xB | |
| Make | GMC | Scion |
| Model | Sierra | xB |
| Year Released | 2007 | 2008 |
| Body Type | Pickup | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 6172 cc | 2362 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 403 HP | 158 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 565 Nm | 220 Nm |
| Torque RPM | 4300 RPM | 4000 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2478 kg | 1330 kg |
| Vehicle Length | 5850 mm | 4260 mm |
| Vehicle Width | 2040 mm | 1770 mm |
| Vehicle Height | 1880 mm | 1650 mm |
| Wheelbase Size | 3650 mm | 2610 mm |
| Fuel Consumption Highway | 14.7 L/100km | 8.4 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 98 L | 53 L |
