2005 Audi S4 vs. 1991 Audi V8
To start off, 2005 Audi S4 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Audi V8. In addition, the cost of maintenance, including insurance, on 1991 Audi V8 would be higher. At 4,172 cc (8 cylinders), 1991 Audi V8 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 64 more horse power than 1991 Audi V8. (276 HP @ 5800 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1991 Audi V8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 124 kg more than 1991 Audi V8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 2005 Audi S4 | 1991 Audi V8 | |
| Make | Audi | Audi |
| Model | S4 | V8 |
| Year Released | 2005 | 1991 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 4172 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 276 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1716 kg |
| Vehicle Length | 4580 mm | 4870 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Tank Capacity | 63 L | 90 L |
