2007 Audi A4 vs. 1973 Porsche 911
To start off, 2007 Audi A4 is newer by 34 year(s). Which means there will be less support and parts availability for 1973 Porsche 911. In addition, the cost of maintenance, including insurance, on 1973 Porsche 911 would be higher. At 3,123 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 6500 RPM) has 44 more horse power than 1973 Porsche 911. (208 HP @ 6300 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1973 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 540 kg more than 1973 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 Audi A4 (330 Nm @ 3250 RPM) has 70 more torque (in Nm) than 1973 Porsche 911. (260 Nm @ 5100 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Porsche 911.
Compare all specifications:
| 2007 Audi A4 | 1973 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A4 | 911 |
| Year Released | 2007 | 1973 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3123 cc | 2687 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 252 HP | 208 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 330 Nm | 260 Nm |
| Torque RPM | 3250 RPM | 5100 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1490 kg | 950 kg |
| Vehicle Length | 4590 mm | 4110 mm |
| Vehicle Width | 1780 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2650 mm | 2280 mm |
