2008 BMW 630 vs. 2007 GMC Sierra
To start off, 2008 BMW 630 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 91 more horse power than 2008 BMW 630. (254 HP @ 6600 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2008 BMW 630.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 630. 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 215 more torque (in Nm) than 2008 BMW 630. (300 Nm @ 2500 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 630. 2007 GMC Sierra has automatic transmission and 2008 BMW 630 has manual transmission. 2008 BMW 630 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:
| 2008 BMW 630 | 2007 GMC Sierra | |
| Make | BMW | GMC |
| Model | 630 | Sierra |
| Year Released | 2008 | 2007 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2994 cc | 5998 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 254 HP | 345 HP |
| Engine RPM | 6600 RPM | 5200 RPM |
| Torque | 300 Nm | 515 Nm |
| Torque RPM | 2500 RPM | 4000 RPM |
| Engine Bore Size | 85 mm | 102 mm |
| Engine Stroke Size | 88 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4830 mm | 5850 mm |
| Vehicle Width | 1860 mm | 2000 mm |
| Vehicle Height | 1380 mm | 1910 mm |
| Wheelbase Size | 2790 mm | 3650 mm |
| Fuel Consumption Overall | 9.1 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 70 L | 98 L |
