2008 Infiniti M vs. 2005 Mercedes-Benz SL
To start off, 2008 Infiniti M is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz SL would be higher. At 4,966 cc (8 cylinders), 2005 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2008 Infiniti M (325 HP @ 6400 RPM) has 23 more horse power than 2005 Mercedes-Benz SL. (302 HP @ 4200 RPM). In normal driving conditions, 2008 Infiniti M should accelerate faster than 2005 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SL weights approximately 7 kg more than 2008 Infiniti M.
Because 2008 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2008 Infiniti M 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, 2005 Mercedes-Benz SL (470 Nm) has 14 more torque (in Nm) than 2008 Infiniti M. (456 Nm). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2008 Infiniti M.
Compare all specifications:
| 2008 Infiniti M | 2005 Mercedes-Benz SL | |
| Make | Infiniti | Mercedes-Benz |
| Model | M | SL |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4493 cc | 4966 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 325 HP | 302 HP |
| Engine RPM | 6400 RPM | 4200 RPM |
| Torque | 456 Nm | 470 Nm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1837 kg | 1844 kg |
| Vehicle Length | 4900 mm | 4540 mm |
| Vehicle Width | 1800 mm | 1820 mm |
| Vehicle Height | 1520 mm | 1300 mm |
| Wheelbase Size | 2910 mm | 2570 mm |
| Fuel Consumption Highway | 11.2 L/100km | 10.2 L/100km |
| Fuel Consumption City | 14.7 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 13.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 76 L | 80 L |
