2008 BMW 523 vs. 1991 Buick Roadmaster
To start off, 2008 BMW 523 is newer by 17 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 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 1991 Buick Roadmaster (177 HP @ 4200 RPM) has 2 more horse power than 2008 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 1991 Buick Roadmaster should accelerate faster than 2008 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 350 kg more than 2008 BMW 523. 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, 1991 Buick Roadmaster (393 Nm @ 2400 RPM) has 163 more torque (in Nm) than 2008 BMW 523. (230 Nm @ 3500 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 523. 1991 Buick Roadmaster has automatic transmission and 2008 BMW 523 has manual transmission. 2008 BMW 523 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Buick Roadmaster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 523 | 1991 Buick Roadmaster | |
| Make | BMW | Buick |
| Model | 523 | Roadmaster |
| Year Released | 2008 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 5731 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 175 HP | 177 HP |
| Engine RPM | 5800 RPM | 4200 RPM |
| Torque | 230 Nm | 393 Nm |
| Torque RPM | 3500 RPM | 2400 RPM |
| Engine Compression Ratio | 11.0:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1840 kg |
| Vehicle Length | 4850 mm | 5280 mm |
| Vehicle Width | 1850 mm | 2040 mm |
| Vehicle Height | 1470 mm | 1650 mm |
| Wheelbase Size | 2890 mm | 2950 mm |
| Fuel Tank Capacity | 70 L | 75 L |
