2009 Audi A6 vs. 1991 Audi V8
To start off, 2009 Audi A6 is newer by 18 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, 2009 Audi A6 (342 HP @ 6500 RPM) has 62 more horse power than 1991 Audi V8. (280 HP @ 5800 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 1991 Audi V8. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi V8 weights approximately 172 kg more than 2009 Audi A6.
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, 1991 Audi V8 (400 Nm @ 4000 RPM) has 157 more torque (in Nm) than 2009 Audi A6. (243 Nm @ 3250 RPM). This means 1991 Audi V8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 1991 Audi V8 | |
| Make | Audi | Audi |
| Model | A6 | V8 |
| Year Released | 2009 | 1991 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 342 HP | 280 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 243 Nm | 400 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Compression Ratio | 12.5:1 | 10.6:1 |
| Top Speed | 209 km/hour | 244 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 7.7 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1712 kg |
| Vehicle Length | 4920 mm | 4880 mm |
| Vehicle Width | 1470 mm | 1820 mm |
| Vehicle Height | 1860 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2710 mm |
