2005 Audi S4 vs. 1991 Volkswagen Quantum
To start off, 2005 Audi S4 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Volkswagen Quantum. In addition, the cost of maintenance, including insurance, on 1991 Volkswagen Quantum would be higher. At 4,172 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 4000 RPM) has 231 more horse power than 1991 Volkswagen Quantum. (109 HP @ 5600 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1991 Volkswagen Quantum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 655 kg more than 1991 Volkswagen Quantum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 237 more torque (in Nm) than 1991 Volkswagen Quantum. (173 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Volkswagen Quantum.
Compare all specifications:
| 2005 Audi S4 | 1991 Volkswagen Quantum | |
| Make | Audi | Volkswagen |
| Model | S4 | Quantum |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1983 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 340 HP | 109 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 410 Nm | 173 Nm |
| Engine Bore Size | 85 mm | 82.5 mm |
| Engine Stroke Size | 93 mm | 92.8 mm |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1785 kg | 1130 kg |
| Vehicle Length | 4550 mm | 4620 mm |
| Vehicle Width | 1770 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1520 mm |
| Wheelbase Size | 2470 mm | 2560 mm |
