1991 Audi V8 vs. 2004 Porsche 911
To start off, 2004 Porsche 911 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Audi V8. In addition, the cost of maintenance, including insurance, on 1991 Audi V8 would be higher. At 4,172 cc (8 cylinders), 1991 Audi V8 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (444 HP @ 5700 RPM) has 164 more horse power than 1991 Audi V8. (280 HP @ 5800 RPM) In normal driving conditions, 2004 Porsche 911 should accelerate faster than 1991 Audi V8. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi V8 weights approximately 52 kg more than 2004 Porsche 911.
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, 2004 Porsche 911 (620 Nm @ 3500 RPM) has 220 more torque (in Nm) than 1991 Audi V8. (400 Nm @ 4000 RPM). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi V8. 1991 Audi V8 has automatic transmission and 2004 Porsche 911 has manual transmission. 2004 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Audi V8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Audi V8 | 2004 Porsche 911 | |
| Make | Audi | Porsche |
| Model | V8 | 911 |
| Year Released | 1991 | 2004 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 4172 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 280 HP | 444 HP |
| Engine RPM | 5800 RPM | 5700 RPM |
| Torque | 400 Nm | 620 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Compression Ratio | 10.6:1 | 9.4:1 |
| Top Speed | 244 km/hour | 307 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 4.6 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1712 kg | 1660 kg |
| Vehicle Length | 4880 mm | 4440 mm |
| Vehicle Width | 1820 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2710 mm | 2360 mm |
