1988 BMW M5 vs. 1991 Ford Aerostar
To start off, 1991 Ford Aerostar is newer by 3 year(s). Which means there will be less support and parts availability for 1988 BMW M5. In addition, the cost of maintenance, including insurance, on 1988 BMW M5 would be higher. At 3,533 cc (6 cylinders), 1988 BMW M5 is equipped with a bigger engine. In terms of performance, 1988 BMW M5 (311 HP @ 6900 RPM) has 168 more horse power than 1991 Ford Aerostar. (143 HP @ 4800 RPM). In normal driving conditions, 1988 BMW M5 should accelerate faster than 1991 Ford Aerostar. With that said, vehicle weight also plays an important factor in acceleration. 1988 BMW M5 weights approximately 323 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1988 BMW M5 (360 Nm @ 4750 RPM) has 136 more torque (in Nm) than 1991 Ford Aerostar. (224 Nm @ 3600 RPM). This means 1988 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Aerostar.
Compare all specifications:
| 1988 BMW M5 | 1991 Ford Aerostar | |
| Make | BMW | Ford |
| Model | M5 | Aerostar |
| Year Released | 1988 | 1991 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3533 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 311 HP | 143 HP |
| Engine RPM | 6900 RPM | 4800 RPM |
| Torque | 360 Nm | 224 Nm |
| Torque RPM | 4750 RPM | 3600 RPM |
| Engine Bore Size | 93.4 mm | 88.9 mm |
| Engine Stroke Size | 86 mm | 78.7 mm |
| Drive Type | Rear | Rear |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1733 kg | 1410 kg |
| Vehicle Length | 4730 mm | 4450 mm |
| Vehicle Width | 1760 mm | 1830 mm |
| Vehicle Height | 1400 mm | 1860 mm |
| Wheelbase Size | 2770 mm | 3030 mm |
