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 5,204 cc (10 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (430 HP @ 6800 RPM) has 150 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. 2009 Audi A6 weights approximately 258 kg more than 1991 Audi V8. 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, 2009 Audi A6 (540 Nm @ 3000 RPM) has 140 more torque (in Nm) than 1991 Audi V8. (400 Nm @ 4000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi V8.
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 | 5204 cc | 4172 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 430 HP | 280 HP |
| Engine RPM | 6800 RPM | 5800 RPM |
| Torque | 540 Nm | 400 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Compression Ratio | 12.5:1 | 10.6:1 |
| Top Speed | 250 km/hour | 244 km/hour |
| Acceleration 0-100mph | 5.3 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 | 1970 kg | 1712 kg |
| Vehicle Length | 4940 mm | 4880 mm |
| Vehicle Width | 1870 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2710 mm |
