1979 Ford LTD vs. 2009 Infiniti QX56
To start off, 2009 Infiniti QX56 is newer by 30 year(s). Which means there will be less support and parts availability for 1979 Ford LTD. In addition, the cost of maintenance, including insurance, on 1979 Ford LTD would be higher. At 5,763 cc (8 cylinders), 1979 Ford LTD is equipped with a bigger engine. In terms of performance, 2009 Infiniti QX56 (320 HP @ 5200 RPM) has 23 more horse power than 1979 Ford LTD. (297 HP @ 5400 RPM) In normal driving conditions, 2009 Infiniti QX56 should accelerate faster than 1979 Ford LTD. With that said, vehicle weight also plays an important factor in acceleration. 1979 Ford LTD weights approximately 470 kg more than 2009 Infiniti QX56.
Because 2009 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 1979 Ford LTD. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Infiniti QX56 (533 Nm @ 3400 RPM) has 8 more torque (in Nm) than 1979 Ford LTD. (525 Nm @ 3400 RPM). This means 2009 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1979 Ford LTD.
Compare all specifications:
| 1979 Ford LTD | 2009 Infiniti QX56 | |
| Make | Ford | Infiniti |
| Model | LTD | QX56 |
| Year Released | 1979 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 5763 cc | 5552 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 297 HP | 320 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 525 Nm | 533 Nm |
| Torque RPM | 3400 RPM | 3400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1790 kg | 1320 kg |
| Vehicle Length | 5370 mm | 5260 mm |
| Vehicle Width | 1970 mm | 2010 mm |
| Vehicle Height | 1400 mm | 2010 mm |
| Wheelbase Size | 3080 mm | 3140 mm |
