2003 Infiniti Q45 vs. 2002 Mercedes-Benz SLK
To start off, 2003 Infiniti Q45 is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Mercedes-Benz SLK. In addition, the cost of maintenance, including insurance, on 2002 Mercedes-Benz SLK would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2003 Infiniti Q45 (340 HP @ 6400 RPM) has 179 more horse power than 2002 Mercedes-Benz SLK. (161 HP @ 5300 RPM). In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 2002 Mercedes-Benz SLK. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti Q45 weights approximately 514 kg more than 2002 Mercedes-Benz SLK. 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, 2003 Infiniti Q45 (451 Nm @ 4000 RPM) has 217 more torque (in Nm) than 2002 Mercedes-Benz SLK. (234 Nm @ 2500 RPM). This means 2003 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2002 Mercedes-Benz SLK. 2003 Infiniti Q45 has automatic transmission and 2002 Mercedes-Benz SLK has manual transmission. 2002 Mercedes-Benz SLK will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Infiniti Q45 | 2002 Mercedes-Benz SLK | |
| Make | Infiniti | Mercedes-Benz |
| Model | Q45 | SLK |
| Year Released | 2003 | 2002 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 161 HP |
| Engine RPM | 6400 RPM | 5300 RPM |
| Torque | 451 Nm | 234 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1804 kg | 1290 kg |
| Vehicle Length | 5080 mm | 4000 mm |
| Vehicle Width | 1850 mm | 1720 mm |
| Vehicle Height | 1500 mm | 1280 mm |
| Wheelbase Size | 2880 mm | 2410 mm |
| Fuel Tank Capacity | 81 L | 70 L |
