2008 Infiniti FX vs. 1991 Mercedes-Benz 400
To start off, 2008 Infiniti FX is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz 400. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz 400 would be higher. At 4,494 cc (8 cylinders), 2008 Infiniti FX is equipped with a bigger engine. In terms of performance, 2008 Infiniti FX (320 HP @ 6000 RPM) has 34 more horse power than 1991 Mercedes-Benz 400. (286 HP @ 5700 RPM). In normal driving conditions, 2008 Infiniti FX should accelerate faster than 1991 Mercedes-Benz 400.
Because 2008 Infiniti FX is four wheel drive (4WD), it will have significant more traction and grip than 1991 Mercedes-Benz 400. In wet, icy, snow, or gravel driving conditions, 2008 Infiniti FX 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, 2008 Infiniti FX (454 Nm @ 4000 RPM) has 44 more torque (in Nm) than 1991 Mercedes-Benz 400. (410 Nm @ 3900 RPM). This means 2008 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz 400.
Compare all specifications:
| 2008 Infiniti FX | 1991 Mercedes-Benz 400 | |
| Make | Infiniti | Mercedes-Benz |
| Model | FX | 400 |
| Year Released | 2008 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 4196 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 320 HP | 286 HP |
| Engine RPM | 6000 RPM | 5700 RPM |
| Torque | 454 Nm | 410 Nm |
| Torque RPM | 4000 RPM | 3900 RPM |
| Engine Bore Size | 93 mm | 92 mm |
| Engine Stroke Size | 83 mm | 78.9 mm |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4810 mm | 5220 mm |
| Vehicle Width | 1930 mm | 1890 mm |
| Vehicle Height | 1680 mm | 1500 mm |
| Wheelbase Size | 2860 mm | 3150 mm |
