2007 Ford F-250 vs. 2005 Ford Shelby GR-1 Concept
To start off, 2007 Ford F-250 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Ford Shelby GR-1 Concept. In addition, the cost of maintenance, including insurance, on 2005 Ford Shelby GR-1 Concept would be higher. At 6,392 cc (10 cylinders), 2005 Ford Shelby GR-1 Concept is equipped with a bigger engine. In terms of performance, 2005 Ford Shelby GR-1 Concept (605 HP @ 6750 RPM) has 428 more horse power than 2007 Ford F-250. (177 HP @ 3800 RPM) In normal driving conditions, 2005 Ford Shelby GR-1 Concept should accelerate faster than 2007 Ford F-250. With that said, vehicle weight also plays an important factor in acceleration. 2007 Ford F-250 weights approximately 895 kg more than 2005 Ford Shelby GR-1 Concept.
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, 2005 Ford Shelby GR-1 Concept (679 Nm @ 5500 RPM) has 179 more torque (in Nm) than 2007 Ford F-250. (500 Nm @ 2000 RPM). This means 2005 Ford Shelby GR-1 Concept will have an easier job in driving up hills or pulling heavy equipment than 2007 Ford F-250.
Compare all specifications:
| 2007 Ford F-250 | 2005 Ford Shelby GR-1 Concept | |
| Make | Ford | Ford |
| Model | F-250 | Shelby GR-1 Concept |
| Year Released | 2007 | 2005 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4200 cc | 6392 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 177 HP | 605 HP |
| Engine RPM | 3800 RPM | 6750 RPM |
| Torque | 500 Nm | 679 Nm |
| Torque RPM | 2000 RPM | 5500 RPM |
| Engine Bore Size | 93 mm | 93.1 mm |
| Engine Stroke Size | 103 mm | 94 mm |
| Engine Compression Ratio | 17.8:1 | 10.8:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 2664 kg | 1769 kg |
| Vehicle Length | 5760 mm | 4420 mm |
| Vehicle Width | 1870 mm | 1900 mm |
| Vehicle Height | 2040 mm | 1170 mm |
| Wheelbase Size | 3490 mm | 2550 mm |
| Fuel Tank Capacity | 144 L | 132 L |
