1999 Buick LeSabre vs. 1991 Ford Aerostar
To start off, 1999 Buick LeSabre is newer by 8 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 3,791 cc (6 cylinders), 1999 Buick LeSabre is equipped with a bigger engine. In terms of performance, 1999 Buick LeSabre (203 HP @ 5200 RPM) has 60 more horse power than 1991 Ford Aerostar. (143 HP @ 4800 RPM). In normal driving conditions, 1999 Buick LeSabre should accelerate faster than 1991 Ford Aerostar. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick LeSabre weights approximately 80 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 1991 Ford Aerostar is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1991 Ford Aerostar. However, in wet, icy, snow, or gravel driving conditions, 1999 Buick LeSabre, being front wheel drive (FWD), will offer much better control with better grip. 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, 1999 Buick LeSabre (312 Nm @ 4000 RPM) has 88 more torque (in Nm) than 1991 Ford Aerostar. (224 Nm @ 3600 RPM). This means 1999 Buick LeSabre will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Aerostar.
Compare all specifications:
| 1999 Buick LeSabre | 1991 Ford Aerostar | |
| Make | Buick | Ford |
| Model | LeSabre | Aerostar |
| Year Released | 1999 | 1991 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 203 HP | 143 HP |
| Engine RPM | 5200 RPM | 4800 RPM |
| Torque | 312 Nm | 224 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 96.5 mm | 88.9 mm |
| Engine Stroke Size | 86.4 mm | 78.7 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1410 kg |
| Vehicle Length | 5090 mm | 4450 mm |
| Vehicle Width | 1910 mm | 1830 mm |
| Vehicle Height | 1420 mm | 1860 mm |
| Wheelbase Size | 2820 mm | 3030 mm |
