2007 Audi A6 vs. 1991 Buick Roadmaster
To start off, 2007 Audi A6 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 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (329 HP @ 6600 RPM) has 152 more horse power than 1991 Buick Roadmaster. (177 HP @ 4200 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 95 kg more than 2007 Audi A6.
Because 2007 Audi A6 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, 2007 Audi A6 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, 2007 Audi A6 (420 Nm @ 3500 RPM) has 27 more torque (in Nm) than 1991 Buick Roadmaster. (393 Nm @ 2400 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Roadmaster.
Compare all specifications:
| 2007 Audi A6 | 1991 Buick Roadmaster | |
| Make | Audi | Buick |
| Model | A6 | Roadmaster |
| Year Released | 2007 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4162 cc | 5731 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 329 HP | 177 HP |
| Engine RPM | 6600 RPM | 4200 RPM |
| Torque | 420 Nm | 393 Nm |
| Torque RPM | 3500 RPM | 2400 RPM |
| Engine Compression Ratio | 11.0:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1745 kg | 1840 kg |
| Vehicle Length | 4920 mm | 5280 mm |
| Vehicle Width | 1860 mm | 2040 mm |
| Vehicle Height | 1470 mm | 1650 mm |
| Wheelbase Size | 2850 mm | 2950 mm |
| Fuel Tank Capacity | 80 L | 75 L |
