2004 Audi A4 vs. 1991 Ford Aerostar
To start off, 2004 Audi A4 is newer by 13 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 2,979 cc (6 cylinders), 1991 Ford Aerostar is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (187 HP @ 5100 RPM) has 44 more horse power than 1991 Ford Aerostar. (143 HP @ 4800 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1991 Ford Aerostar. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 130 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.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Ford Aerostar. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 Audi A4 (280 Nm @ 1800 RPM) has 56 more torque (in Nm) than 1991 Ford Aerostar. (224 Nm @ 3600 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Aerostar.
Compare all specifications:
| 2004 Audi A4 | 1991 Ford Aerostar | |
| Make | Audi | Ford |
| Model | A4 | Aerostar |
| Year Released | 2004 | 1991 |
| Body Type | Station Wagon | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 187 HP | 143 HP |
| Engine RPM | 5100 RPM | 4800 RPM |
| Torque | 280 Nm | 224 Nm |
| Torque RPM | 1800 RPM | 3600 RPM |
| Engine Bore Size | 82.5 mm | 88.9 mm |
| Engine Stroke Size | 92.8 mm | 78.7 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1410 kg |
| Vehicle Length | 4590 mm | 4450 mm |
| Vehicle Width | 1780 mm | 1830 mm |
| Vehicle Height | 1430 mm | 1860 mm |
| Wheelbase Size | 2470 mm | 3030 mm |
