2005 Audi S4 vs. 1991 Ford Aerostar
To start off, 2005 Audi S4 is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Ford Aerostar. In addition, the cost of maintenance, including insurance, on 1991 Ford Aerostar would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 197 more horse power than 1991 Ford Aerostar. (143 HP @ 4800 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1991 Ford Aerostar. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 430 kg more than 1991 Ford Aerostar. 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 186 more torque (in Nm) than 1991 Ford Aerostar. (224 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Aerostar.
Compare all specifications:
| 2005 Audi S4 | 1991 Ford Aerostar | |
| Make | Audi | Ford |
| Model | S4 | Aerostar |
| Year Released | 2005 | 1991 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 2979 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 143 HP |
| Engine RPM | 6300 RPM | 4800 RPM |
| Torque | 410 Nm | 224 Nm |
| Engine Bore Size | 85 mm | 88.9 mm |
| Engine Stroke Size | 93 mm | 78.7 mm |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1410 kg |
| Vehicle Length | 4580 mm | 4450 mm |
| Vehicle Width | 1780 mm | 1830 mm |
| Vehicle Height | 1400 mm | 1860 mm |
| Wheelbase Size | 2660 mm | 3030 mm |
