1991 Audi Coupe vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Audi Coupe. In addition, the cost of maintenance, including insurance, on 1991 Audi Coupe would be higher. At 3,596 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (321 HP @ 6800 RPM) has 146 more horse power than 1991 Audi Coupe. (175 HP @ 5500 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 1991 Audi Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche 911 weights approximately 165 kg more than 1991 Audi Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2007 Porsche 911 (370 Nm @ 4250 RPM) has 121 more torque (in Nm) than 1991 Audi Coupe. (249 Nm @ 3000 RPM). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi Coupe.
Compare all specifications:
| 1991 Audi Coupe | 2007 Porsche 911 | |
| Make | Audi | Porsche |
| Model | Coupe | 911 |
| Year Released | 1991 | 2007 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2771 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 175 HP | 321 HP |
| Engine RPM | 5500 RPM | 6800 RPM |
| Torque | 249 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 4250 RPM |
| Engine Bore Size | 82.5 mm | 96.1 mm |
| Engine Stroke Size | 86.4 mm | 82.8 mm |
| Engine Compression Ratio | 10.0:1 | 11.3:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1485 kg |
| Vehicle Length | 4370 mm | 4440 mm |
| Vehicle Width | 1720 mm | 1780 mm |
| Vehicle Height | 1370 mm | 1310 mm |
| Wheelbase Size | 2560 mm | 2360 mm |
