2006 BMW 645 vs. 1981 Buick LeSabre
To start off, 2006 BMW 645 is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 1981 Buick LeSabre would be higher. At 5,736 cc (6 cylinders), 1981 Buick LeSabre is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 223 more horse power than 1981 Buick LeSabre. (105 HP @ 3200 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 1981 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 10 kg more than 1981 Buick LeSabre. 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 176 more torque (in Nm) than 1981 Buick LeSabre. (274 Nm @ 1600 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1981 Buick LeSabre.
Compare all specifications:
| 2006 BMW 645 | 1981 Buick LeSabre | |
| Make | BMW | Buick |
| Model | 645 | LeSabre |
| Year Released | 2006 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5736 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 328 HP | 105 HP |
| Engine RPM | 6100 RPM | 3200 RPM |
| Torque | 450 Nm | 274 Nm |
| Torque RPM | 3600 RPM | 1600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1810 kg | 1800 kg |
| Vehicle Length | 4830 mm | 5550 mm |
| Vehicle Width | 1860 mm | 1910 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2790 mm | 2950 mm |
