2003 Infiniti Q45 vs. 1998 Mercedes-Benz SL
To start off, 2003 Infiniti Q45 is newer by 5 year(s). Which means there will be less support and parts availability for 1998 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 1998 Mercedes-Benz SL would be higher. At 4,966 cc (8 cylinders), 1998 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2003 Infiniti Q45 (340 HP @ 6400 RPM) has 38 more horse power than 1998 Mercedes-Benz SL. (302 HP @ 5600 RPM). In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 1998 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 1998 Mercedes-Benz SL weights approximately 86 kg more than 2003 Infiniti Q45.
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, 1998 Mercedes-Benz SL (461 Nm @ 2700 RPM) has 10 more torque (in Nm) than 2003 Infiniti Q45. (451 Nm @ 4000 RPM). This means 1998 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2003 Infiniti Q45.
Compare all specifications:
| 2003 Infiniti Q45 | 1998 Mercedes-Benz SL | |
| Make | Infiniti | Mercedes-Benz |
| Model | Q45 | SL |
| Year Released | 2003 | 1998 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 4966 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 340 HP | 302 HP |
| Engine RPM | 6400 RPM | 5600 RPM |
| Torque | 451 Nm | 461 Nm |
| Torque RPM | 4000 RPM | 2700 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1804 kg | 1890 kg |
| Vehicle Length | 5080 mm | 4510 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1500 mm | 1300 mm |
| Wheelbase Size | 2880 mm | 2520 mm |
| Fuel Tank Capacity | 81 L | 80 L |
