2007 BMW 545 vs. 2009 Mercedes-Benz S
To start off, 2009 Mercedes-Benz S is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 545. In addition, the cost of maintenance, including insurance, on 2007 BMW 545 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 182 more horse power than 2007 BMW 545. (328 HP @ 6100 RPM) In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2007 BMW 545. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 545 weights approximately 750 kg more than 2009 Mercedes-Benz S.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 2007 BMW 545. (450 Nm @ 3600 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 545. 2009 Mercedes-Benz S has automatic transmission and 2007 BMW 545 has manual transmission. 2007 BMW 545 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:
| 2007 BMW 545 | 2009 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | 545 | S |
| Year Released | 2007 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 5513 cc |
| Engine Cylinders | 8 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 328 HP | 510 HP |
| Engine RPM | 6100 RPM | 5000 RPM |
| Torque | 450 Nm | 830 Nm |
| Torque RPM | 3600 RPM | 1800 RPM |
| Engine Compression Ratio | 10.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1975 kg | 1225 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 | 11.3 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
