2005 BMW Z4 vs. 1981 Buick LeSabre
To start off, 2005 BMW Z4 is newer by 24 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 3,790 cc (6 cylinders), 1981 Buick LeSabre is equipped with a bigger engine. In terms of performance, 2005 BMW Z4 (168 HP @ 6250 RPM) has 64 more horse power than 1981 Buick LeSabre. (104 HP @ 3400 RPM). In normal driving conditions, 2005 BMW Z4 should accelerate faster than 1981 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 1981 Buick LeSabre weights approximately 265 kg more than 2005 BMW Z4.
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, 1981 Buick LeSabre (251 Nm @ 2000 RPM) has 41 more torque (in Nm) than 2005 BMW Z4. (210 Nm @ 3500 RPM). This means 1981 Buick LeSabre will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW Z4. 1981 Buick LeSabre has automatic transmission and 2005 BMW Z4 has manual transmission. 2005 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 Buick LeSabre will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW Z4 | 1981 Buick LeSabre | |
| Make | BMW | Buick |
| Model | Z4 | LeSabre |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 3790 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 168 HP | 104 HP |
| Engine RPM | 6250 RPM | 3400 RPM |
| Torque | 210 Nm | 251 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1325 kg | 1590 kg |
| Vehicle Length | 4100 mm | 5550 mm |
| Vehicle Width | 1790 mm | 1910 mm |
| Vehicle Height | 1310 mm | 1430 mm |
| Wheelbase Size | 2500 mm | 2950 mm |
