2009 Alpina B7 vs. 1991 Buick Roadmaster
To start off, 2009 Alpina B7 is newer by 18 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, 2009 Alpina B7 (493 HP @ 5500 RPM) has 325 more horse power than 1991 Buick Roadmaster. (168 HP @ 4200 RPM). In normal driving conditions, 2009 Alpina B7 should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 10 kg more than 2009 Alpina B7.
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, 2009 Alpina B7 (700 Nm @ 4250 RPM) has 354 more torque (in Nm) than 1991 Buick Roadmaster. (346 Nm @ 2400 RPM). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 2009 Alpina B7 | 1991 Buick Roadmaster | |
| Make | Alpina | Buick |
| Model | B7 | Roadmaster |
| Year Released | 2009 | 1991 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 5002 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 493 HP | 168 HP |
| Engine RPM | 5500 RPM | 4200 RPM |
| Torque | 700 Nm | 346 Nm |
| Torque RPM | 4250 RPM | 2400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1990 kg | 2000 kg |
| Vehicle Length | 5180 mm | 5540 mm |
| Vehicle Width | 1910 mm | 2040 mm |
| Vehicle Height | 1450 mm | 1540 mm |
| Wheelbase Size | 3140 mm | 2950 mm |
