2005 Audi A6 vs. 1991 Audi 100
To start off, 2005 Audi A6 is newer by 14 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 2,461 cc (5 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (128 HP @ 4000 RPM) has 15 more horse power than 1991 Audi 100. (113 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 62 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, 2005 Audi A6 (285 Nm @ 1750 RPM) has 20 more torque (in Nm) than 1991 Audi 100. (265 Nm @ 2250 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 100.
Compare all specifications:
| 2005 Audi A6 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | A6 | 100 |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2461 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 128 HP | 113 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 285 Nm | 265 Nm |
| Torque RPM | 1750 RPM | 2250 RPM |
| Engine Bore Size | 79.6 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 95.5 mm |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 10.7 seconds | 11.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1535 kg | 1473 kg |
| Vehicle Length | 4800 mm | 4810 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2770 mm | 2700 mm |
| Fuel Tank Capacity | 70 L | 80 L |
