2005 Ford Shelby GR-1 Concept vs. 1973 GMC Jimmy
To start off, 2005 Ford Shelby GR-1 Concept is newer by 32 year(s). Which means there will be less support and parts availability for 1973 GMC Jimmy. In addition, the cost of maintenance, including insurance, on 1973 GMC Jimmy 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 452 more horse power than 1973 GMC Jimmy. (153 HP @ 4000 RPM). In normal driving conditions, 2005 Ford Shelby GR-1 Concept should accelerate faster than 1973 GMC Jimmy. With that said, vehicle weight also plays an important factor in acceleration. 1973 GMC Jimmy weights approximately 81 kg more than 2005 Ford Shelby GR-1 Concept.
Because 1973 GMC Jimmy 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, 1973 GMC Jimmy 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 334 more torque (in Nm) than 1973 GMC Jimmy. (345 Nm @ 2400 RPM). This means 2005 Ford Shelby GR-1 Concept will have an easier job in driving up hills or pulling heavy equipment than 1973 GMC Jimmy. 1973 GMC Jimmy 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. 1973 GMC Jimmy will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Ford Shelby GR-1 Concept | 1973 GMC Jimmy | |
| Make | Ford | GMC |
| Model | Shelby GR-1 Concept | Jimmy |
| Year Released | 2005 | 1973 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 6392 cc | 5733 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 605 HP | 153 HP |
| Engine RPM | 6750 RPM | 4000 RPM |
| Torque | 679 Nm | 345 Nm |
| Torque RPM | 5500 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1769 kg | 1850 kg |
| Vehicle Length | 4420 mm | 4690 mm |
| Vehicle Width | 1900 mm | 2030 mm |
| Vehicle Height | 1170 mm | 1840 mm |
| Wheelbase Size | 2550 mm | 2720 mm |
