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 2,771 cc (6 cylinders), 1991 Audi 100 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (247 HP @ 6300 RPM) has 75 more horse power than 1991 Audi 100. (172 HP @ 5500 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 255 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.
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 | 2671 cc | 2771 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 247 HP | 172 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1805 kg | 1550 kg |
| Vehicle Length | 4800 mm | 4800 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1560 mm | 1450 mm |
| Wheelbase Size | 2770 mm | 2690 mm |
