2003 Ford 427 vs. 2009 Ford Expedition
To start off, 2009 Ford Expedition is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Ford 427. In addition, the cost of maintenance, including insurance, on 2003 Ford 427 would be higher. At 6,997 cc (10 cylinders), 2003 Ford 427 is equipped with a bigger engine. In terms of performance, 2003 Ford 427 (582 HP @ 6500 RPM) has 272 more horse power than 2009 Ford Expedition. (310 HP @ 5100 RPM). In normal driving conditions, 2003 Ford 427 should accelerate faster than 2009 Ford Expedition.
Because 2009 Ford Expedition is four wheel drive (4WD), it will have significant more traction and grip than 2003 Ford 427. In wet, icy, snow, or gravel driving conditions, 2009 Ford Expedition 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, 2003 Ford 427 (704 Nm @ 5500 RPM) has 208 more torque (in Nm) than 2009 Ford Expedition. (496 Nm @ 3600 RPM). This means 2003 Ford 427 will have an easier job in driving up hills or pulling heavy equipment than 2009 Ford Expedition.
Compare all specifications:
| 2003 Ford 427 | 2009 Ford Expedition | |
| Make | Ford | Ford |
| Model | 427 | Expedition |
| Year Released | 2003 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 5408 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 582 HP | 310 HP |
| Engine RPM | 6500 RPM | 5100 RPM |
| Torque | 704 Nm | 496 Nm |
| Torque RPM | 5500 RPM | 3600 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
