1986 Ford Sierra vs. 2004 Infiniti QX56
To start off, 2004 Infiniti QX56 is newer by 18 year(s). Which means there will be less support and parts availability for 1986 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1986 Ford Sierra would be higher. At 5,556 cc (8 cylinders), 2004 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2004 Infiniti QX56 (315 HP) has 113 more horse power than 1986 Ford Sierra. (202 HP) In normal driving conditions, 2004 Infiniti QX56 should accelerate faster than 1986 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Infiniti QX56 weights approximately 1251 kg more than 1986 Ford Sierra. 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, 2004 Infiniti QX56 (529 Nm) has 252 more torque (in Nm) than 1986 Ford Sierra. (277 Nm). This means 2004 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra.
Compare all specifications:
| 1986 Ford Sierra | 2004 Infiniti QX56 | |
| Make | Ford | Infiniti |
| Model | Sierra | QX56 |
| Year Released | 1986 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 5556 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 202 HP | 315 HP |
| Torque | 277 Nm | 529 Nm |
| Engine Bore Size | 90.8 mm | 98 mm |
| Engine Stroke Size | 77 mm | 92 mm |
| Engine Compression Ratio | 8.0:1 | 9.8:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1180 kg | 2431 kg |
| Vehicle Length | 4430 mm | 5260 mm |
| Vehicle Width | 1730 mm | 2010 mm |
| Vehicle Height | 1430 mm | 1980 mm |
| Wheelbase Size | 2610 mm | 3140 mm |
| Fuel Tank Capacity | 116 L | 106 L |
