2003 BMW 520 vs. 2004 GMC Sierra
To start off, 2004 GMC Sierra is newer by 1 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), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (340 HP @ 5200 RPM) has 173 more horse power than 2003 BMW 520. (167 HP @ 6100 RPM) In normal driving conditions, 2004 GMC Sierra should accelerate faster than 2003 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 645 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 2004 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, 2004 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, 2004 GMC Sierra (516 Nm @ 4000 RPM) has 306 more torque (in Nm) than 2003 BMW 520. (210 Nm @ 3500 RPM). This means 2004 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 | 2004 GMC Sierra | |
| Make | BMW | GMC |
| Model | 520 | Sierra |
| Year Released | 2003 | 2004 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2171 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 | 340 HP |
| Engine RPM | 6100 RPM | 5200 RPM |
| Torque | 210 Nm | 516 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 102 mm |
| Engine Stroke Size | 72 mm | 92 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1700 kg | 2345 kg |
| Vehicle Length | 4810 mm | 5740 mm |
| Vehicle Width | 1810 mm | 2000 mm |
| Vehicle Height | 1450 mm | 1910 mm |
| Wheelbase Size | 2730 mm | 3650 mm |
