1985 BMW M6 vs. 1990 Buick Roadmaster
To start off, 1990 Buick Roadmaster is newer by 5 year(s). Which means there will be less support and parts availability for 1985 BMW M6. In addition, the cost of maintenance, including insurance, on 1985 BMW M6 would be higher. At 5,002 cc (8 cylinders), 1990 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1985 BMW M6 (282 HP @ 6500 RPM) has 114 more horse power than 1990 Buick Roadmaster. (168 HP @ 4200 RPM). In normal driving conditions, 1985 BMW M6 should accelerate faster than 1990 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1990 Buick Roadmaster weights approximately 495 kg more than 1985 BMW M6.
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, 1990 Buick Roadmaster (346 Nm @ 2400 RPM) has 12 more torque (in Nm) than 1985 BMW M6. (334 Nm @ 4500 RPM). This means 1990 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1985 BMW M6. 1990 Buick Roadmaster has automatic transmission and 1985 BMW M6 has manual transmission. 1985 BMW M6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1990 Buick Roadmaster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1985 BMW M6 | 1990 Buick Roadmaster | |
| Make | BMW | Buick |
| Model | M6 | Roadmaster |
| Year Released | 1985 | 1990 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3451 cc | 5002 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 282 HP | 168 HP |
| Engine RPM | 6500 RPM | 4200 RPM |
| Torque | 334 Nm | 346 Nm |
| Torque RPM | 4500 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1505 kg | 2000 kg |
| Vehicle Length | 4760 mm | 5540 mm |
| Vehicle Width | 1730 mm | 2040 mm |
| Vehicle Height | 1360 mm | 1540 mm |
| Wheelbase Size | 2630 mm | 2950 mm |
