2006 Audi RS4 vs. 1991 Buick Roadmaster
To start off, 2006 Audi RS4 is newer by 15 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, 2006 Audi RS4 (414 HP @ 7800 RPM) has 237 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 1991 Buick Roadmaster.
Because 2006 Audi RS4 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, 2006 Audi RS4 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, 2006 Audi RS4 (430 Nm @ 5500 RPM) has 37 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster. 1991 Buick Roadmaster has automatic transmission and 2006 Audi RS4 has manual transmission. 2006 Audi RS4 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:
| 2006 Audi RS4 | 1991 Buick Roadmaster | |
| Make | Audi | Buick |
| Model | RS4 | Roadmaster |
| Year Released | 2006 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5731 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 414 HP | 177 HP |
| Engine RPM | 7800 RPM | 4200 RPM |
| Torque | 430 Nm | 393 Nm |
| Torque RPM | 5500 RPM | 2400 RPM |
| Engine Compression Ratio | 12.5:1 | 8.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4600 mm | 5280 mm |
| Vehicle Width | 1820 mm | 2040 mm |
| Vehicle Height | 1420 mm | 1650 mm |
| Wheelbase Size | 2650 mm | 2950 mm |
| Fuel Tank Capacity | 63 L | 75 L |
