2005 BMW X5 vs. 2009 Mercedes-Benz S
To start off, 2009 Mercedes-Benz S is newer by 4 year(s). Which means there will be less support and parts availability for 2005 BMW X5. In addition, the cost of maintenance, including insurance, on 2005 BMW X5 would be higher. At 5,513 cc (12 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (510 HP @ 5000 RPM) has 189 more horse power than 2005 BMW X5. (321 HP @ 6100 RPM) In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 1010 kg more than 2009 Mercedes-Benz S.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 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, 2009 Mercedes-Benz S (830 Nm @ 1800 RPM) has 380 more torque (in Nm) than 2005 BMW X5. (450 Nm @ 3700 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X5.
Compare all specifications:
| 2005 BMW X5 | 2009 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | S |
| Year Released | 2005 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4392 cc | 5513 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 321 HP | 510 HP |
| Engine RPM | 6100 RPM | 5000 RPM |
| Torque | 450 Nm | 830 Nm |
| Torque RPM | 3700 RPM | 1800 RPM |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2235 kg | 1225 kg |
| Vehicle Length | 4670 mm | 5210 mm |
| Vehicle Width | 1880 mm | 1880 mm |
| Vehicle Height | 1710 mm | 1480 mm |
| Wheelbase Size | 2890 mm | 3170 mm |
| Fuel Consumption | 10.7 L/100km | 13.8 L/100km |
| Fuel Consumption City | 14.7 L/100km | 21.4 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 92 L | 90 L |
