2005 Ford Shelby GR-1 Concept vs. 2003 Pontiac Vibe
To start off, 2005 Ford Shelby GR-1 Concept is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Pontiac Vibe. In addition, the cost of maintenance, including insurance, on 2003 Pontiac Vibe 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 482 more horse power than 2003 Pontiac Vibe. (123 HP @ 6000 RPM). In normal driving conditions, 2005 Ford Shelby GR-1 Concept should accelerate faster than 2003 Pontiac Vibe. With that said, vehicle weight also plays an important factor in acceleration. 2005 Ford Shelby GR-1 Concept weights approximately 544 kg more than 2003 Pontiac Vibe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Pontiac Vibe 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, 2003 Pontiac Vibe 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 519 more torque (in Nm) than 2003 Pontiac Vibe. (160 Nm @ 4200 RPM). This means 2005 Ford Shelby GR-1 Concept will have an easier job in driving up hills or pulling heavy equipment than 2003 Pontiac Vibe.
Compare all specifications:
| 2005 Ford Shelby GR-1 Concept | 2003 Pontiac Vibe | |
| Make | Ford | Pontiac |
| Model | Shelby GR-1 Concept | Vibe |
| Year Released | 2005 | 2003 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 6392 cc | 1796 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 605 HP | 123 HP |
| Engine RPM | 6750 RPM | 6000 RPM |
| Torque | 679 Nm | 160 Nm |
| Torque RPM | 5500 RPM | 4200 RPM |
| Engine Bore Size | 93.1 mm | 79 mm |
| Engine Stroke Size | 94 mm | 91 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1769 kg | 1225 kg |
| Vehicle Length | 4420 mm | 4370 mm |
| Vehicle Width | 1900 mm | 1780 mm |
| Vehicle Height | 1170 mm | 1610 mm |
| Wheelbase Size | 2550 mm | 2610 mm |
| Fuel Tank Capacity | 132 L | 45 L |
