2007 BMW 760 vs. 1991 Buick Roadmaster
To start off, 2007 BMW 760 is newer by 16 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 5,971 cc (12 cylinders), 2007 BMW 760 is equipped with a bigger engine. In terms of performance, 2007 BMW 760 (439 HP @ 6000 RPM) has 262 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM). In normal driving conditions, 2007 BMW 760 should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 760 weights approximately 385 kg more than 1991 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, 2007 BMW 760 (600 Nm @ 3950 RPM) has 207 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 2007 BMW 760 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 2007 BMW 760 | 1991 Buick Roadmaster | |
| Make | BMW | Buick |
| Model | 760 | Roadmaster |
| Year Released | 2007 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5971 cc | 5731 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 439 HP | 177 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 600 Nm | 393 Nm |
| Torque RPM | 3950 RPM | 2400 RPM |
| Engine Compression Ratio | 11.0:1 | 8.0:1 |
| 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 | 4 doors |
| Vehicle Weight | 2225 kg | 1840 kg |
| Vehicle Length | 5180 mm | 5280 mm |
| Vehicle Width | 1910 mm | 2040 mm |
| Vehicle Height | 1500 mm | 1650 mm |
| Wheelbase Size | 3140 mm | 2950 mm |
| Fuel Tank Capacity | 88 L | 75 L |
