2009 Infiniti M vs. 1991 Mercedes-Benz 500
To start off, 2009 Infiniti M is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz 500. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz 500 would be higher. At 4,971 cc (8 cylinders), 1991 Mercedes-Benz 500 is equipped with a bigger engine. In terms of performance, 1991 Mercedes-Benz 500 (326 HP @ 5700 RPM) has 1 more horse power than 2009 Infiniti M. (325 HP @ 6400 RPM) In normal driving conditions, 1991 Mercedes-Benz 500 should accelerate faster than 2009 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz 500 weights approximately 293 kg more than 2009 Infiniti M. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mercedes-Benz 500. In wet, icy, snow, or gravel driving conditions, 2009 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, 1991 Mercedes-Benz 500 (480 Nm @ 3900 RPM) has 24 more torque (in Nm) than 2009 Infiniti M. (456 Nm @ 4000 RPM). This means 1991 Mercedes-Benz 500 will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti M.
Compare all specifications:
| 2009 Infiniti M | 1991 Mercedes-Benz 500 | |
| Make | Infiniti | Mercedes-Benz |
| Model | M | 500 |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4493 cc | 4971 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 325 HP | 326 HP |
| Engine RPM | 6400 RPM | 5700 RPM |
| Torque | 456 Nm | 480 Nm |
| Torque RPM | 4000 RPM | 3900 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1719 kg | 2012 kg |
| Vehicle Length | 4940 mm | 5220 mm |
| Vehicle Width | 1810 mm | 1890 mm |
| Vehicle Height | 1530 mm | 1500 mm |
| Wheelbase Size | 2910 mm | 3150 mm |
| Fuel Tank Capacity | 76 L | 70 L |
