2007 BMW 550 vs. 2005 Ford Shelby GR-1 Concept
To start off, 2007 BMW 550 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, 2007 BMW 550 (657 HP @ 3400 RPM) has 52 more horse power than 2005 Ford Shelby GR-1 Concept. (605 HP @ 6750 RPM). In normal driving conditions, 2007 BMW 550 should accelerate faster than 2005 Ford Shelby GR-1 Concept. With that said, vehicle weight also plays an important factor in acceleration. 2005 Ford Shelby GR-1 Concept weights approximately 109 kg more than 2007 BMW 550.
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 189 more torque (in Nm) than 2007 BMW 550. (490 Nm @ 3400 RPM). This means 2005 Ford Shelby GR-1 Concept will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 550. 2007 BMW 550 has automatic transmission and 2005 Ford Shelby GR-1 Concept has manual transmission. 2005 Ford Shelby GR-1 Concept will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 550 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 550 | 2005 Ford Shelby GR-1 Concept | |
| Make | BMW | Ford |
| Model | 550 | Shelby GR-1 Concept |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4797 cc | 6392 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 657 HP | 605 HP |
| Engine RPM | 3400 RPM | 6750 RPM |
| Torque | 490 Nm | 679 Nm |
| Torque RPM | 3400 RPM | 5500 RPM |
| Engine Compression Ratio | 10.5:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1660 kg | 1769 kg |
| Vehicle Length | 4850 mm | 4420 mm |
| Vehicle Width | 1470 mm | 1900 mm |
| Vehicle Height | 1850 mm | 1170 mm |
| Wheelbase Size | 2890 mm | 2550 mm |
| Fuel Tank Capacity | 70 L | 132 L |
