1990 Buick Roadmaster vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 23 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, 2013 BMW 7 Series (439 HP @ 5500 RPM) has 262 more horse power than 1990 Buick Roadmaster. (177 HP @ 4200 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 1990 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 337 kg more than 1990 Buick Roadmaster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2013 BMW 7 Series (651 Nm @ 4500 RPM) has 258 more torque (in Nm) than 1990 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 1990 Buick Roadmaster.
Compare all specifications:
| 1990 Buick Roadmaster | 2013 BMW 7 Series | |
| Make | Buick | BMW |
| Model | Roadmaster | 7 Series |
| Year Released | 1990 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 439 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 393 Nm | 651 Nm |
| Torque RPM | 2400 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 2177 kg |
| Vehicle Length | 5490 mm | 5214 mm |
| Vehicle Width | 1990 mm | 2134 mm |
| Vehicle Height | 1450 mm | 1481 mm |
| Wheelbase Size | 2950 mm | 3210 mm |
