2004 Audi A4 vs. 1991 Audi 100
To start off, 2004 Audi A4 is newer by 13 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, 2004 Audi A4 (197 HP @ 5100 RPM) has 25 more horse power than 1991 Audi 100. (172 HP @ 5500 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 100 kg more than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 1991 Audi 100 | |
| Make | Audi | Audi |
| Model | A4 | 100 |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2771 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 172 HP |
| Engine RPM | 5100 RPM | 5500 RPM |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1450 kg | 1550 kg |
| Vehicle Length | 4590 mm | 4800 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2430 mm | 2690 mm |
