2005 Audi A4 vs. 1972 Porsche 917

To start off, 2005 Audi A4 is newer by 33 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 343 more horse power than 2005 Audi A4. (177 HP) In normal driving conditions, 1972 Porsche 917 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 792 kg more than 1972 Porsche 917.

Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1972 Porsche 917. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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, 1972 Porsche 917 (610 Nm) has 239 more torque (in Nm) than 2005 Audi A4. (371 Nm). This means 1972 Porsche 917 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.

Compare all specifications: