2009 Audi A6 vs. 2004 Buick Regal
To start off, 2009 Audi A6 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Buick Regal. In addition, the cost of maintenance, including insurance, on 2004 Buick Regal would be higher. At 4,163 cc (8 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (329 HP @ 6600 RPM) has 78 more horse power than 2004 Buick Regal. (251 HP @ 5200 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2004 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 147 kg more than 2004 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A6 (421 Nm) has 33 more torque (in Nm) than 2004 Buick Regal. (388 Nm). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Buick Regal.
Compare all specifications:
| 2009 Audi A6 | 2004 Buick Regal | |
| Make | Audi | Buick |
| Model | A6 | Regal |
| Year Released | 2009 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3786 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 329 HP | 251 HP |
| Engine RPM | 6600 RPM | 5200 RPM |
| Torque | 421 Nm | 388 Nm |
| Engine Bore Size | 84.5 mm | 97 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1745 kg | 1598 kg |
| Vehicle Length | 4920 mm | 4990 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2780 mm |
| Fuel Consumption Highway | 9.5 L/100km | 8.4 L/100km |
| Fuel Consumption City | 19 L/100km | 13.1 L/100km |
| Fuel Consumption Overall | 11.6 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 80 L | 64 L |
