2009 BMW X5 vs. 1981 Buick Electra
To start off, 2009 BMW X5 is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Buick Electra. In addition, the cost of maintenance, including insurance, on 1981 Buick Electra would be higher. At 4,129 cc (6 cylinders), 1981 Buick Electra is equipped with a bigger engine. In terms of performance, 2009 BMW X5 (268 HP @ 6650 RPM) has 145 more horse power than 1981 Buick Electra. (123 HP @ 4000 RPM). In normal driving conditions, 2009 BMW X5 should accelerate faster than 1981 Buick Electra. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X5 weights approximately 438 kg more than 1981 Buick Electra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Buick Electra. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 BMW X5 (315 Nm @ 2750 RPM) has 37 more torque (in Nm) than 1981 Buick Electra. (278 Nm @ 2000 RPM). This means 2009 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1981 Buick Electra.
Compare all specifications:
| 2009 BMW X5 | 1981 Buick Electra | |
| Make | BMW | Buick |
| Model | X5 | Electra |
| Year Released | 2009 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4129 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 268 HP | 123 HP |
| Engine RPM | 6650 RPM | 4000 RPM |
| Torque | 315 Nm | 278 Nm |
| Torque RPM | 2750 RPM | 2000 RPM |
| Engine Bore Size | 85 mm | 100.7 mm |
| Engine Stroke Size | 88 mm | 86.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2130 kg | 1692 kg |
| Vehicle Length | 4860 mm | 5650 mm |
| Vehicle Width | 1940 mm | 1990 mm |
| Vehicle Height | 1750 mm | 1400 mm |
| Wheelbase Size | 2940 mm | 3030 mm |
| Fuel Tank Capacity | 85 L | 95 L |
