1984 Ford Sierra vs. 2007 Infiniti QX56
To start off, 2007 Infiniti QX56 is newer by 23 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 5,552 cc (8 cylinders), 2007 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2007 Infiniti QX56 (320 HP @ 4900 RPM) has 206 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM) In normal driving conditions, 2007 Infiniti QX56 should accelerate faster than 1984 Ford Sierra.
Because 2007 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 1984 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Infiniti QX56 (533 Nm @ 3600 RPM) has 357 more torque (in Nm) than 1984 Ford Sierra. (176 Nm @ 3000 RPM). This means 2007 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 2007 Infiniti QX56 | |
| Make | Ford | Infiniti |
| Model | Sierra | QX56 |
| Year Released | 1984 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 5552 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 114 HP | 320 HP |
| Engine RPM | 5300 RPM | 4900 RPM |
| Torque | 176 Nm | 533 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Length | 4420 mm | 5260 mm |
| Vehicle Width | 1730 mm | 2010 mm |
| Vehicle Height | 1420 mm | 1980 mm |
| Wheelbase Size | 2610 mm | 3140 mm |
| Fuel Tank Capacity | 60 L | 106 L |
