2005 Ford Shelby GR-1 Concept vs. 1970 Porsche 917

To start off, 2005 Ford Shelby GR-1 Concept is newer by 35 year(s). Which means there will be less support and parts availability for 1970 Porsche 917. In addition, the cost of maintenance, including insurance, on 1970 Porsche 917 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) has 85 more horse power than 1970 Porsche 917. (520 HP). In normal driving conditions, 2005 Ford Shelby GR-1 Concept should accelerate faster than 1970 Porsche 917. With that said, vehicle weight also plays an important factor in acceleration. 2005 Ford Shelby GR-1 Concept weights approximately 971 kg more than 1970 Porsche 917. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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) has 69 more torque (in Nm) than 1970 Porsche 917. (610 Nm). This means 2005 Ford Shelby GR-1 Concept will have an easier job in driving up hills or pulling heavy equipment than 1970 Porsche 917.

Compare all specifications: