2003 BMW 520 vs. 2005 GMC Sierra
To start off, 2005 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 BMW 520. In addition, the cost of maintenance, including insurance, on 2003 BMW 520 would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (300 HP) has 133 more horse power than 2003 BMW 520. (167 HP) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2003 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1204 kg more than 2003 BMW 520. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 520. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (488 Nm) has 278 more torque (in Nm) than 2003 BMW 520. (210 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 520.
Compare all specifications:
| 2003 BMW 520 | 2005 GMC Sierra | |
| Make | BMW | GMC |
| Model | 520 | Sierra |
| Year Released | 2003 | 2005 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 167 HP | 300 HP |
| Torque | 210 Nm | 488 Nm |
| Engine Bore Size | 80 mm | 102 mm |
| Engine Stroke Size | 72 mm | 92 mm |
| Engine Compression Ratio | 10.7:1 | 9.4:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1670 kg | 2874 kg |
| Vehicle Length | 4810 mm | 6510 mm |
| Vehicle Width | 1810 mm | 2030 mm |
| Vehicle Height | 1450 mm | 1960 mm |
| Wheelbase Size | 2890 mm | 4250 mm |
| Fuel Tank Capacity | 70 L | 129 L |
