2008 Daihatsu Sirion vs. 2005 Ford Shelby GR-1 Concept
To start off, 2008 Daihatsu Sirion is newer by 3 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 515 more horse power than 2008 Daihatsu Sirion. (90 HP @ 6000 RPM) In normal driving conditions, 2005 Ford Shelby GR-1 Concept should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2005 Ford Shelby GR-1 Concept weights approximately 789 kg more than 2008 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Daihatsu Sirion 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, 2008 Daihatsu Sirion 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 559 more torque (in Nm) than 2008 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2005 Ford Shelby GR-1 Concept will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 2008 Daihatsu Sirion | 2005 Ford Shelby GR-1 Concept | |
| Make | Daihatsu | Ford |
| Model | Sirion | Shelby GR-1 Concept |
| Year Released | 2008 | 2005 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 6392 cc |
| Engine Cylinders | 4 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 90 HP | 605 HP |
| Engine RPM | 6000 RPM | 6750 RPM |
| Torque | 120 Nm | 679 Nm |
| Torque RPM | 4400 RPM | 5500 RPM |
| Engine Bore Size | 72 mm | 93.1 mm |
| Engine Stroke Size | 79.7 mm | 94 mm |
| Engine Compression Ratio | 10.0:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 980 kg | 1769 kg |
| Vehicle Length | 3610 mm | 4420 mm |
| Vehicle Width | 1670 mm | 1900 mm |
| Vehicle Height | 1560 mm | 1170 mm |
| Wheelbase Size | 2440 mm | 2550 mm |
| Fuel Tank Capacity | 38 L | 132 L |
