2003 BMW 520 vs. 2003 Mercedes-Benz S
To start off, both 2003 BMW 520 and 2003 Mercedes-Benz S were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,266 cc (8 cylinders), 2003 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2003 Mercedes-Benz S (276 HP @ 5750 RPM) has 109 more horse power than 2003 BMW 520. (167 HP @ 6100 RPM) In normal driving conditions, 2003 Mercedes-Benz S should accelerate faster than 2003 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz S weights approximately 285 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 2003 Mercedes-Benz S 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, 2003 Mercedes-Benz S 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, 2003 Mercedes-Benz S (400 Nm @ 3000 RPM) has 190 more torque (in Nm) than 2003 BMW 520. (210 Nm @ 3500 RPM). This means 2003 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 520. 2003 Mercedes-Benz S has automatic transmission and 2003 BMW 520 has manual transmission. 2003 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 520 | 2003 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | 520 | S |
| Year Released | 2003 | 2003 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 4266 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 167 HP | 276 HP |
| Engine RPM | 6100 RPM | 5750 RPM |
| Torque | 210 Nm | 400 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 80 mm | 89.9 mm |
| Engine Stroke Size | 72 mm | 84 mm |
| Engine Compression Ratio | 10.7:1 | 10.0:1 |
| Top Speed | 223 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 7.4 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1670 kg | 1955 kg |
| Vehicle Length | 4810 mm | 5050 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1460 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
| Fuel Consumption Overall | 9.5 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 70 L | 88 L |
