2005 Ford Shelby GR-1 Concept vs. 1972 Mazda Familia
To start off, 2005 Ford Shelby GR-1 Concept is newer by 33 year(s). Which means there will be less support and parts availability for 1972 Mazda Familia. In addition, the cost of maintenance, including insurance, on 1972 Mazda Familia 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 556 more horse power than 1972 Mazda Familia. (49 HP @ 6000 RPM). In normal driving conditions, 2005 Ford Shelby GR-1 Concept should accelerate faster than 1972 Mazda Familia. With that said, vehicle weight also plays an important factor in acceleration. 2005 Ford Shelby GR-1 Concept weights approximately 1029 kg more than 1972 Mazda Familia. 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 600 more torque (in Nm) than 1972 Mazda Familia. (79 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 1972 Mazda Familia.
Compare all specifications:
| 2005 Ford Shelby GR-1 Concept | 1972 Mazda Familia | |
| Make | Ford | Mazda |
| Model | Shelby GR-1 Concept | Familia |
| Year Released | 2005 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 6392 cc | 987 cc |
| Horse Power | 605 HP | 49 HP |
| Engine RPM | 6750 RPM | 6000 RPM |
| Torque | 679 Nm | 79 Nm |
| Torque RPM | 5500 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1769 kg | 740 kg |
| Vehicle Length | 4420 mm | 3790 mm |
| Vehicle Width | 1900 mm | 1470 mm |
| Vehicle Height | 1170 mm | 1390 mm |
| Wheelbase Size | 2550 mm | 2200 mm |
