2005 Ford Shelby GR-1 Concept vs. 2007 Mazda 6
To start off, 2007 Mazda 6 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 486 more horse power than 2007 Mazda 6. (119 HP @ 3500 RPM). In normal driving conditions, 2005 Ford Shelby GR-1 Concept should accelerate faster than 2007 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Ford Shelby GR-1 Concept weights approximately 259 kg more than 2007 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Ford Shelby GR-1 Concept is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Ford Shelby GR-1 Concept. However, in wet, icy, snow, or gravel driving conditions, 2007 Mazda 6, being front wheel drive (FWD), will offer much better control with better grip. 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 2007 Mazda 6. (310 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 Mazda 6.
Compare all specifications:
| 2005 Ford Shelby GR-1 Concept | 2007 Mazda 6 | |
| Make | Ford | Mazda |
| Model | Shelby GR-1 Concept | 6 |
| Year Released | 2005 | 2007 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 6392 cc | 1996 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 605 HP | 119 HP |
| Engine RPM | 6750 RPM | 3500 RPM |
| Torque | 679 Nm | 310 Nm |
| Torque RPM | 5500 RPM | 2000 RPM |
| Engine Bore Size | 93.1 mm | 86 mm |
| Engine Stroke Size | 94 mm | 86 mm |
| Engine Compression Ratio | 10.8:1 | 18.3:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1769 kg | 1510 kg |
| Vehicle Length | 4420 mm | 4690 mm |
| Vehicle Width | 1900 mm | 1790 mm |
| Vehicle Height | 1170 mm | 1440 mm |
| Wheelbase Size | 2550 mm | 2680 mm |
| Fuel Tank Capacity | 132 L | 64 L |
