1991 Infiniti Q45 vs. 2009 Mercedes-Benz SL
To start off, 2009 Mercedes-Benz SL is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1991 Infiniti Q45 would be higher. At 6,208 cc (8 cylinders), 2009 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SL (518 HP @ 6800 RPM) has 241 more horse power than 1991 Infiniti Q45. (277 HP @ 6000 RPM) In normal driving conditions, 2009 Mercedes-Benz SL should accelerate faster than 1991 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz SL weights approximately 1080 kg more than 1991 Infiniti Q45. 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, 2009 Mercedes-Benz SL (631 Nm @ 5200 RPM) has 234 more torque (in Nm) than 1991 Infiniti Q45. (397 Nm @ 4000 RPM). This means 2009 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1991 Infiniti Q45. 1991 Infiniti Q45 has automatic transmission and 2009 Mercedes-Benz SL has manual transmission. 2009 Mercedes-Benz SL will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Infiniti Q45 | 2009 Mercedes-Benz SL | |
| Make | Infiniti | Mercedes-Benz |
| Model | Q45 | SL |
| Year Released | 1991 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 6208 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 277 HP | 518 HP |
| Engine RPM | 6000 RPM | 6800 RPM |
| Torque | 397 Nm | 631 Nm |
| Torque RPM | 4000 RPM | 5200 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 2830 kg |
| Vehicle Length | 5080 mm | 4540 mm |
| Vehicle Width | 1830 mm | 1820 mm |
| Vehicle Height | 1440 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2570 mm |
| Fuel Tank Capacity | 72 L | 80 L |
