2005 Ford Shelby GR-1 Concept vs. 2006 Infiniti M
To start off, 2006 Infiniti M is newer by 1 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 270 more horse power than 2006 Infiniti M. (335 HP @ 6400 RPM). In normal driving conditions, 2005 Ford Shelby GR-1 Concept should accelerate faster than 2006 Infiniti M.
Because 2006 Infiniti M 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, 2006 Infiniti M 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 218 more torque (in Nm) than 2006 Infiniti M. (461 Nm @ 4000 RPM). This means 2005 Ford Shelby GR-1 Concept will have an easier job in driving up hills or pulling heavy equipment than 2006 Infiniti M. 2006 Infiniti M 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. 2006 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Ford Shelby GR-1 Concept | 2006 Infiniti M | |
| Make | Ford | Infiniti |
| Model | Shelby GR-1 Concept | M |
| Year Released | 2005 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 6392 cc | 4494 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 605 HP | 335 HP |
| Engine RPM | 6750 RPM | 6400 RPM |
| Torque | 679 Nm | 461 Nm |
| Torque RPM | 5500 RPM | 4000 RPM |
| Engine Compression Ratio | 10.8:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Width | 1900 mm | 140 mm |
| Vehicle Height | 1170 mm | 140 mm |
| Fuel Tank Capacity | 132 L | 75 L |
