2004 Ford Mustang vs. 2005 Ford Shelby GR-1 Concept
To start off, 2005 Ford Shelby GR-1 Concept is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Ford Mustang. In addition, the cost of maintenance, including insurance, on 2004 Ford Mustang 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 405 more horse power than 2004 Ford Mustang. (200 HP @ 5250 RPM) In normal driving conditions, 2005 Ford Shelby GR-1 Concept should accelerate faster than 2004 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 2005 Ford Shelby GR-1 Concept weights approximately 382 kg more than 2004 Ford Mustang. 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, 2005 Ford Shelby GR-1 Concept (679 Nm @ 5500 RPM) has 369 more torque (in Nm) than 2004 Ford Mustang. (310 Nm @ 3500 RPM). This means 2005 Ford Shelby GR-1 Concept will have an easier job in driving up hills or pulling heavy equipment than 2004 Ford Mustang.
Compare all specifications:
| 2004 Ford Mustang | 2005 Ford Shelby GR-1 Concept | |
| Make | Ford | Ford |
| Model | Mustang | Shelby GR-1 Concept |
| Year Released | 2004 | 2005 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3931 cc | 6392 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 605 HP |
| Engine RPM | 5250 RPM | 6750 RPM |
| Torque | 310 Nm | 679 Nm |
| Torque RPM | 3500 RPM | 5500 RPM |
| Engine Bore Size | 100.4 mm | 93.1 mm |
| Engine Stroke Size | 84.4 mm | 94 mm |
| Engine Compression Ratio | 11.0:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1387 kg | 1769 kg |
| Vehicle Length | 4770 mm | 4420 mm |
| Vehicle Width | 1880 mm | 1900 mm |
| Vehicle Height | 1390 mm | 1170 mm |
| Wheelbase Size | 2720 mm | 2550 mm |
| Fuel Tank Capacity | 61 L | 132 L |
