2007 BMW X5 vs. 1991 Buick LeSabre
To start off, 2007 BMW X5 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 1991 Buick LeSabre would be higher. At 3,791 cc (6 cylinders), 1991 Buick LeSabre is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (228 HP @ 5900 RPM) has 60 more horse power than 1991 Buick LeSabre. (168 HP @ 4800 RPM). In normal driving conditions, 2007 BMW X5 should accelerate faster than 1991 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 554 kg more than 1991 Buick LeSabre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick LeSabre. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 BMW X5 (300 Nm @ 3500 RPM) has 1 more torque (in Nm) than 1991 Buick LeSabre. (299 Nm @ 3200 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick LeSabre.
Compare all specifications:
| 2007 BMW X5 | 1991 Buick LeSabre | |
| Make | BMW | Buick |
| Model | X5 | LeSabre |
| Year Released | 2007 | 1991 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 228 HP | 168 HP |
| Engine RPM | 5900 RPM | 4800 RPM |
| Torque | 300 Nm | 299 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Engine Bore Size | 84.1 mm | 96.5 mm |
| Engine Stroke Size | 89.6 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2104 kg | 1550 kg |
| Vehicle Length | 4670 mm | 5090 mm |
| Vehicle Width | 1710 mm | 1910 mm |
| Vehicle Height | 1880 mm | 1420 mm |
| Wheelbase Size | 2830 mm | 2820 mm |
| Fuel Tank Capacity | 85 L | 62 L |
