2005 Ford Shelby GR-1 Concept vs. 1979 Mazda 616
To start off, 2005 Ford Shelby GR-1 Concept is newer by 26 year(s). Which means there will be less support and parts availability for 1979 Mazda 616. In addition, the cost of maintenance, including insurance, on 1979 Mazda 616 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 526 more horse power than 1979 Mazda 616. (79 HP @ 5500 RPM). In normal driving conditions, 2005 Ford Shelby GR-1 Concept should accelerate faster than 1979 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 2005 Ford Shelby GR-1 Concept weights approximately 859 kg more than 1979 Mazda 616. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Ford Shelby GR-1 Concept (679 Nm @ 5500 RPM) has 555 more torque (in Nm) than 1979 Mazda 616. (124 Nm @ 3500 RPM). This means 2005 Ford Shelby GR-1 Concept will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 616.
Compare all specifications:
| 2005 Ford Shelby GR-1 Concept | 1979 Mazda 616 | |
| Make | Ford | Mazda |
| Model | Shelby GR-1 Concept | 616 |
| Year Released | 2005 | 1979 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 6392 cc | 1585 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 605 HP | 79 HP |
| Engine RPM | 6750 RPM | 5500 RPM |
| Torque | 679 Nm | 124 Nm |
| Torque RPM | 5500 RPM | 3500 RPM |
| Engine Bore Size | 93.1 mm | 78 mm |
| Engine Stroke Size | 94 mm | 83 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1769 kg | 910 kg |
| Vehicle Length | 4420 mm | 4160 mm |
| Vehicle Width | 1900 mm | 1590 mm |
| Vehicle Height | 1170 mm | 1400 mm |
| Wheelbase Size | 2550 mm | 2480 mm |
