2007 BMW 523 vs. 2012 Mercedes-Benz S
To start off, 2012 Mercedes-Benz S is newer by 5 year(s). Which means there will be less support and parts availability for 2007 BMW 523. In addition, the cost of maintenance, including insurance, on 2007 BMW 523 would be higher. At 4,700 cc (8 cylinders), 2012 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz S (429 HP @ 5250 RPM) has 254 more horse power than 2007 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2012 Mercedes-Benz S should accelerate faster than 2007 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz S weights approximately 650 kg more than 2007 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2012 Mercedes-Benz S (699 Nm @ 1800 RPM) has 469 more torque (in Nm) than 2007 BMW 523. (230 Nm @ 3500 RPM). This means 2012 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 523.
Compare all specifications:
| 2007 BMW 523 | 2012 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | 523 | S |
| Year Released | 2007 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 4700 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 429 HP |
| Engine RPM | 5800 RPM | 5250 RPM |
| Torque | 230 Nm | 699 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1500 kg | 2150 kg |
| Vehicle Length | 4850 mm | 5245 mm |
| Vehicle Width | 1470 mm | 1872 mm |
| Vehicle Height | 1850 mm | 1473 mm |
| Wheelbase Size | 2890 mm | 3165 mm |
| Fuel Tank Capacity | 70 L | 90 L |
