1991 BMW 730 vs. 1992 Buick Roadmaster
To start off, 1992 Buick Roadmaster is newer by 1 year(s). Which means there will be less support and parts availability for 1991 BMW 730. In addition, the cost of maintenance, including insurance, on 1991 BMW 730 would be higher. At 5,000 cc (8 cylinders), 1992 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1991 BMW 730 (185 HP @ 5800 RPM) has 17 more horse power than 1992 Buick Roadmaster. (168 HP @ 4200 RPM). In normal driving conditions, 1991 BMW 730 should accelerate faster than 1992 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1992 Buick Roadmaster weights approximately 400 kg more than 1991 BMW 730.
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, 1992 Buick Roadmaster (346 Nm @ 2400 RPM) has 86 more torque (in Nm) than 1991 BMW 730. (260 Nm @ 4000 RPM). This means 1992 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 730. 1992 Buick Roadmaster has automatic transmission and 1991 BMW 730 has manual transmission. 1991 BMW 730 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1992 Buick Roadmaster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW 730 | 1992 Buick Roadmaster | |
| Make | BMW | Buick |
| Model | 730 | Roadmaster |
| Year Released | 1991 | 1992 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 5000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 185 HP | 168 HP |
| Engine RPM | 5800 RPM | 4200 RPM |
| Torque | 260 Nm | 346 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1600 kg | 2000 kg |
| Vehicle Length | 4920 mm | 5540 mm |
| Vehicle Width | 1850 mm | 2040 mm |
| Vehicle Height | 1420 mm | 1540 mm |
| Wheelbase Size | 2840 mm | 2950 mm |
