2008 Infiniti QX56 vs. 1985 Mercedes-Benz 420
To start off, 2008 Infiniti QX56 is newer by 23 year(s). Which means there will be less support and parts availability for 1985 Mercedes-Benz 420. In addition, the cost of maintenance, including insurance, on 1985 Mercedes-Benz 420 would be higher. At 5,550 cc (8 cylinders), 2008 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2008 Infiniti QX56 (320 HP @ 5200 RPM) has 101 more horse power than 1985 Mercedes-Benz 420. (219 HP @ 5200 RPM). In normal driving conditions, 2008 Infiniti QX56 should accelerate faster than 1985 Mercedes-Benz 420. With that said, vehicle weight also plays an important factor in acceleration. 1985 Mercedes-Benz 420 weights approximately 280 kg more than 2008 Infiniti QX56.
Because 2008 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 1985 Mercedes-Benz 420. In wet, icy, snow, or gravel driving conditions, 2008 Infiniti QX56 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 QX56 (533 Nm @ 3400 RPM) has 204 more torque (in Nm) than 1985 Mercedes-Benz 420. (329 Nm @ 3750 RPM). This means 2008 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1985 Mercedes-Benz 420.
Compare all specifications:
| 2008 Infiniti QX56 | 1985 Mercedes-Benz 420 | |
| Make | Infiniti | Mercedes-Benz |
| Model | QX56 | 420 |
| Year Released | 2008 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 5550 cc | 4196 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 320 HP | 219 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 533 Nm | 329 Nm |
| Torque RPM | 3400 RPM | 3750 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 7 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1600 kg |
| Vehicle Length | 5260 mm | 4400 mm |
| Vehicle Width | 2030 mm | 1800 mm |
| Vehicle Height | 1960 mm | 1300 mm |
| Wheelbase Size | 3140 mm | 2460 mm |
