2005 Audi RS6 vs. 1991 Buick Roadmaster
To start off, 2005 Audi RS6 is newer by 14 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, 2005 Audi RS6 (444 HP @ 5700 RPM) has 267 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 25 kg more than 2005 Audi RS6.
Because 2005 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick Roadmaster. In wet, icy, snow, or gravel driving conditions, 2005 Audi RS6 will offer significantly more control. 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, 2005 Audi RS6 (560 Nm @ 1950 RPM) has 167 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 2005 Audi RS6 | 1991 Buick Roadmaster | |
| Make | Audi | Buick |
| Model | RS6 | Roadmaster |
| Year Released | 2005 | 1991 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5731 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 444 HP | 177 HP |
| Engine RPM | 5700 RPM | 4200 RPM |
| Torque | 560 Nm | 393 Nm |
| Torque RPM | 1950 RPM | 2400 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1840 kg |
| Vehicle Length | 4860 mm | 5280 mm |
| Vehicle Width | 1860 mm | 2040 mm |
| Vehicle Height | 1460 mm | 1650 mm |
| Wheelbase Size | 2850 mm | 2950 mm |
| Fuel Tank Capacity | 82 L | 75 L |
