2003 Infiniti Q45 vs. 1990 Mercedes-Benz S
To start off, 2003 Infiniti Q45 is newer by 13 year(s). Which means there will be less support and parts availability for 1990 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1990 Mercedes-Benz S 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 176 more horse power than 1990 Mercedes-Benz S. (164 HP @ 4600 RPM). In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 1990 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti Q45 weights approximately 284 kg more than 1990 Mercedes-Benz S. 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 223 more torque (in Nm) than 1990 Mercedes-Benz S. (228 Nm @ 4600 RPM). This means 2003 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 1990 Mercedes-Benz S. 2003 Infiniti Q45 has automatic transmission and 1990 Mercedes-Benz S has manual transmission. 1990 Mercedes-Benz S 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 | 1990 Mercedes-Benz S | |
| Make | Infiniti | Mercedes-Benz |
| Model | Q45 | S |
| Year Released | 2003 | 1990 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 2599 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 340 HP | 164 HP |
| Engine RPM | 6400 RPM | 4600 RPM |
| Torque | 451 Nm | 228 Nm |
| Torque RPM | 4000 RPM | 4600 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1804 kg | 1520 kg |
| Vehicle Length | 5080 mm | 5030 mm |
| Vehicle Width | 1850 mm | 1830 mm |
| Vehicle Height | 1500 mm | 1440 mm |
| Wheelbase Size | 2880 mm | 2950 mm |
