2007 Audi A6 vs. 2005 Ford Shelby GR-1 Concept
To start off, 2007 Audi A6 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 426 more horse power than 2007 Audi A6. (179 HP @ 3300 RPM) In normal driving conditions, 2005 Ford Shelby GR-1 Concept should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Ford Shelby GR-1 Concept weights approximately 74 kg more than 2007 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Ford Shelby GR-1 Concept. In wet, icy, snow, or gravel driving conditions, 2007 Audi A6 will offer significantly more control. 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 299 more torque (in Nm) than 2007 Audi A6. (380 Nm @ 1400 RPM). This means 2005 Ford Shelby GR-1 Concept will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6.
Compare all specifications:
| 2007 Audi A6 | 2005 Ford Shelby GR-1 Concept | |
| Make | Audi | Ford |
| Model | A6 | Shelby GR-1 Concept |
| Year Released | 2007 | 2005 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 6392 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 179 HP | 605 HP |
| Engine RPM | 3300 RPM | 6750 RPM |
| Torque | 380 Nm | 679 Nm |
| Torque RPM | 1400 RPM | 5500 RPM |
| Engine Bore Size | 83 mm | 93.1 mm |
| Engine Stroke Size | 83.1 mm | 94 mm |
| Engine Compression Ratio | 17.0:1 | 10.8:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1695 kg | 1769 kg |
| Vehicle Length | 4590 mm | 4420 mm |
| Vehicle Width | 1860 mm | 1900 mm |
| Vehicle Height | 1470 mm | 1170 mm |
| Wheelbase Size | 2850 mm | 2550 mm |
| Fuel Tank Capacity | 80 L | 132 L |
