2006 BMW 525 vs. 1991 Buick Roadmaster
To start off, 2006 BMW 525 is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1991 Buick Roadmaster would be higher. At 5,002 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2006 BMW 525 (215 HP @ 6250 RPM) has 47 more horse power than 1991 Buick Roadmaster. (168 HP @ 4200 RPM). In normal driving conditions, 2006 BMW 525 should accelerate faster than 1991 Buick Roadmaster.
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, 1991 Buick Roadmaster (346 Nm @ 2400 RPM) has 95 more torque (in Nm) than 2006 BMW 525. (251 Nm @ 2750 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525.
Compare all specifications:
| 2006 BMW 525 | 1991 Buick Roadmaster | |
| Make | BMW | Buick |
| Model | 525 | Roadmaster |
| Year Released | 2006 | 1991 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 5002 cc |
| Horse Power | 215 HP | 168 HP |
| Engine RPM | 6250 RPM | 4200 RPM |
| Torque | 251 Nm | 346 Nm |
| Torque RPM | 2750 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4860 mm | 5540 mm |
| Vehicle Width | 1850 mm | 2040 mm |
| Vehicle Height | 1470 mm | 1540 mm |
| Wheelbase Size | 2890 mm | 2950 mm |
