1991 Audi 100 vs. 2009 Audi S8
To start off, 2009 Audi S8 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 5,204 cc (10 cylinders), 2009 Audi S8 is equipped with a bigger engine. In terms of performance, 2009 Audi S8 (450 HP @ 7000 RPM) has 278 more horse power than 1991 Audi 100. (172 HP @ 5500 RPM) In normal driving conditions, 2009 Audi S8 should accelerate faster than 1991 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 100 weights approximately 375 kg more than 2009 Audi S8.
Compare all specifications:
| 1991 Audi 100 | 2009 Audi S8 | |
| Make | Audi | Audi |
| Model | 100 | S8 |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 5204 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Horse Power | 172 HP | 450 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1550 kg | 1175 kg |
| Vehicle Length | 4800 mm | 5070 mm |
| Vehicle Width | 1780 mm | 1900 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2690 mm | 2950 mm |
