2005 Ford Shelby GR-1 Concept vs. 2009 Mercedes-Benz R
To start off, 2009 Mercedes-Benz R is newer by 4 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 337 more horse power than 2009 Mercedes-Benz R. (268 HP @ 6000 RPM). In normal driving conditions, 2005 Ford Shelby GR-1 Concept should accelerate faster than 2009 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2005 Ford Shelby GR-1 Concept weights approximately 624 kg more than 2009 Mercedes-Benz R. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mercedes-Benz R 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, 2009 Mercedes-Benz R 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 329 more torque (in Nm) than 2009 Mercedes-Benz R. (350 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 2009 Mercedes-Benz R. 2009 Mercedes-Benz R 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. 2009 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Ford Shelby GR-1 Concept | 2009 Mercedes-Benz R | |
| Make | Ford | Mercedes-Benz |
| Model | Shelby GR-1 Concept | R |
| Year Released | 2005 | 2009 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 6392 cc | 3498 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 605 HP | 268 HP |
| Engine RPM | 6750 RPM | 6000 RPM |
| Torque | 679 Nm | 350 Nm |
| Torque RPM | 5500 RPM | 2400 RPM |
| Engine Compression Ratio | 10.8:1 | 9.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1769 kg | 1145 kg |
| Vehicle Length | 4420 mm | 5160 mm |
| Vehicle Width | 1900 mm | 1960 mm |
| Vehicle Height | 1170 mm | 1670 mm |
| Wheelbase Size | 2550 mm | 3220 mm |
| Fuel Tank Capacity | 132 L | 80 L |
