2005 Mercedes-Benz S 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 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz S would be higher. At 5,460 cc (8 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (382 HP @ 6000 RPM) has 140 more horse power than 2005 Mercedes-Benz S. (242 HP @ 5700 RPM) In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2005 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 550 kg more than 2009 Mercedes-Benz S.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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 (530 Nm @ 2800 RPM) has 180 more torque (in Nm) than 2005 Mercedes-Benz S. (350 Nm @ 3000 RPM). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz S.
Compare all specifications:
| 2005 Mercedes-Benz S | 2009 Mercedes-Benz S | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | S | S |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3724 cc | 5460 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 242 HP | 382 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 350 Nm | 530 Nm |
| Torque RPM | 3000 RPM | 2800 RPM |
| Engine Compression Ratio | 10.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1915 kg | 1365 kg |
| Vehicle Length | 5050 mm | 5210 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1460 mm | 1480 mm |
| Wheelbase Size | 2860 mm | 3170 mm |
| Fuel Consumption Overall | 12.1 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 88 L | 90 L |
