2009 Infiniti EX vs. 2003 Mercedes-Benz SL
To start off, 2009 Infiniti EX is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2003 Mercedes-Benz SL would be higher. At 4,966 cc (8 cylinders), 2003 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Infiniti EX (317 HP @ 7000 RPM) has 15 more horse power than 2003 Mercedes-Benz SL. (302 HP @ 5600 RPM). In normal driving conditions, 2009 Infiniti EX should accelerate faster than 2003 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mercedes-Benz SL weights approximately 186 kg more than 2009 Infiniti EX.
Because 2009 Infiniti EX is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2009 Infiniti EX 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, 2003 Mercedes-Benz SL (460 Nm @ 2700 RPM) has 100 more torque (in Nm) than 2009 Infiniti EX. (360 Nm @ 5200 RPM). This means 2003 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti EX.
Compare all specifications:
| 2009 Infiniti EX | 2003 Mercedes-Benz SL | |
| Make | Infiniti | Mercedes-Benz |
| Model | EX | SL |
| Year Released | 2009 | 2003 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3696 cc | 4966 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 317 HP | 302 HP |
| Engine RPM | 7000 RPM | 5600 RPM |
| Torque | 360 Nm | 460 Nm |
| Torque RPM | 5200 RPM | 2700 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Top Speed | 240 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.4 seconds | 6.3 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1719 kg | 1905 kg |
| Vehicle Length | 4640 mm | 4540 mm |
| Vehicle Width | 1810 mm | 1830 mm |
| Vehicle Height | 1600 mm | 1300 mm |
| Wheelbase Size | 2810 mm | 2520 mm |
| Fuel Tank Capacity | 82 L | 80 L |
