1991 Opel Astra vs. 1972 Porsche 917

To start off, 1991 Opel Astra is newer by 19 year(s). Which means there will be less support and parts availability for 1972 Porsche 917. In addition, the cost of maintenance, including insurance, on 1972 Porsche 917 would be higher. At 4,994 cc, 1972 Porsche 917 is equipped with a bigger engine. In terms of performance, 1972 Porsche 917 (520 HP) has 420 more horse power than 1991 Opel Astra. (100 HP) In normal driving conditions, 1972 Porsche 917 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Astra weights approximately 262 kg more than 1972 Porsche 917.

Because 1972 Porsche 917 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1972 Porsche 917. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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, 1972 Porsche 917 (610 Nm) has 475 more torque (in Nm) than 1991 Opel Astra. (135 Nm). This means 1972 Porsche 917 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.

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