2006 BMW X5 vs. 1990 Buick Roadmaster
To start off, 2006 BMW X5 is newer by 16 year(s). Which means there will be less support and parts availability for 1990 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1990 Buick Roadmaster would be higher. At 5,731 cc (8 cylinders), 1990 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (225 HP @ 5900 RPM) has 48 more horse power than 1990 Buick Roadmaster. (177 HP @ 4200 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 1990 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1990 Buick Roadmaster weights approximately 5 kg more than 2006 BMW X5.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1990 Buick Roadmaster. In wet, icy, snow, or gravel driving conditions, 2006 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, 1990 Buick Roadmaster (393 Nm @ 2400 RPM) has 103 more torque (in Nm) than 2006 BMW X5. (290 Nm @ 3500 RPM). This means 1990 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X5.
Compare all specifications:
| 2006 BMW X5 | 1990 Buick Roadmaster | |
| Make | BMW | Buick |
| Model | X5 | Roadmaster |
| Year Released | 2006 | 1990 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2981 cc | 5731 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 225 HP | 177 HP |
| Engine RPM | 5900 RPM | 4200 RPM |
| Torque | 290 Nm | 393 Nm |
| Torque RPM | 3500 RPM | 2400 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1835 kg | 1840 kg |
| Vehicle Length | 4670 mm | 5490 mm |
| Vehicle Width | 1880 mm | 1990 mm |
| Vehicle Height | 1770 mm | 1450 mm |
| Wheelbase Size | 2830 mm | 2950 mm |
