2003 Ford 427 vs. 2006 Ford Expedition
To start off, 2006 Ford Expedition is newer by 3 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 282 more horse power than 2006 Ford Expedition. (300 HP @ 5000 RPM). In normal driving conditions, 2003 Ford 427 should accelerate faster than 2006 Ford Expedition.
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, 2003 Ford 427 (704 Nm @ 5500 RPM) has 209 more torque (in Nm) than 2006 Ford Expedition. (495 Nm @ 3750 RPM). This means 2003 Ford 427 will have an easier job in driving up hills or pulling heavy equipment than 2006 Ford Expedition.
Compare all specifications:
| 2003 Ford 427 | 2006 Ford Expedition | |
| Make | Ford | Ford |
| Model | 427 | Expedition |
| Year Released | 2003 | 2006 |
| 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 | 300 HP |
| Engine RPM | 6500 RPM | 5000 RPM |
| Torque | 704 Nm | 495 Nm |
| Torque RPM | 5500 RPM | 3750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
