2008 BMW 525 vs. 2009 Mercedes-Benz S
To start off, 2009 Mercedes-Benz S is newer by 1 year(s). Which means there will be less support and parts availability for 2008 BMW 525. In addition, the cost of maintenance, including insurance, on 2008 BMW 525 would be higher. At 5,461 cc (8 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (383 HP @ 6000 RPM) has 168 more horse power than 2008 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2008 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 525 weights approximately 225 kg more than 2009 Mercedes-Benz S.
Because 2008 BMW 525 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, 2008 BMW 525 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 (530 Nm @ 2800 RPM) has 280 more torque (in Nm) than 2008 BMW 525. (250 Nm @ 2750 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 525. 2009 Mercedes-Benz S has automatic transmission and 2008 BMW 525 has manual transmission. 2008 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 525 | 2009 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | 525 | S |
| Year Released | 2008 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 5461 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 383 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 250 Nm | 530 Nm |
| Torque RPM | 2750 RPM | 2800 RPM |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1325 kg |
| Vehicle Length | 4850 mm | 5210 mm |
| Vehicle Width | 1850 mm | 1880 mm |
| Vehicle Height | 1500 mm | 1480 mm |
| Wheelbase Size | 2840 mm | 3170 mm |
| Fuel Consumption Overall | 9.9 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
