1991 Audi 100 vs. 2009 Audi A6
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 100. In addition, the cost of maintenance, including insurance, on 1991 Audi 100 would be higher. At 3,121 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (255 HP @ 6500 RPM) has 82 more horse power than 1991 Audi 100. (173 HP @ 5500 RPM) In normal driving conditions, 2009 Audi A6 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 140 kg more than 1991 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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 (330 Nm @ 3250 RPM) has 81 more torque (in Nm) than 1991 Audi 100. (249 Nm @ 3000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 1991 Audi 100 | 2009 Audi A6 | |
| Make | Audi | Audi |
| Model | 100 | A6 |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 3121 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 173 HP | 255 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 249 Nm | 330 Nm |
| Torque RPM | 3000 RPM | 3250 RPM |
| Engine Bore Size | 82.5 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 10.0:1 | 12.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 10 seconds | 6.9 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1400 kg | 1540 kg |
| Vehicle Length | 4800 mm | 4930 mm |
| Vehicle Width | 1790 mm | 2040 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2700 mm | 2850 mm |
