2009 BMW X5 vs. 1991 Ford Aerostar
To start off, 2009 BMW X5 is newer by 18 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 2,996 cc (6 cylinders), 2009 BMW X5 is equipped with a bigger engine. In terms of performance, 2009 BMW X5 (260 HP @ 6600 RPM) has 117 more horse power than 1991 Ford Aerostar. (143 HP @ 4800 RPM). In normal driving conditions, 2009 BMW X5 should accelerate faster than 1991 Ford Aerostar. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X5 weights approximately 140 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 2009 BMW X5 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, 2009 BMW X5 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, 2009 BMW X5 (305 Nm @ 2750 RPM) has 81 more torque (in Nm) than 1991 Ford Aerostar. (224 Nm @ 3600 RPM). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Aerostar.
Compare all specifications:
| 2009 BMW X5 | 1991 Ford Aerostar | |
| Make | BMW | Ford |
| Model | X5 | Aerostar |
| Year Released | 2009 | 1991 |
| Body Type | SUV | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 260 HP | 143 HP |
| Engine RPM | 6600 RPM | 4800 RPM |
| Torque | 305 Nm | 224 Nm |
| Torque RPM | 2750 RPM | 3600 RPM |
| Engine Bore Size | 85.1 mm | 88.9 mm |
| Engine Stroke Size | 88 mm | 78.7 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1410 kg |
| Vehicle Length | 4860 mm | 4450 mm |
| Vehicle Width | 1940 mm | 1830 mm |
| Vehicle Height | 1770 mm | 1860 mm |
| Wheelbase Size | 2940 mm | 3030 mm |
