2007 Audi A6 vs. 2004 Buick Regal
To start off, 2007 Audi A6 is newer by 3 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 3,786 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 Buick Regal (251 HP @ 5200 RPM) has 76 more horse power than 2007 Audi A6. (175 HP @ 6000 RPM) In normal driving conditions, 2004 Buick Regal should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Regal weights approximately 116 kg more than 2007 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2004 Buick Regal (388 Nm) has 158 more torque (in Nm) than 2007 Audi A6. (230 Nm). This means 2004 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6.
Compare all specifications:
| 2007 Audi A6 | 2004 Buick Regal | |
| Make | Audi | Buick |
| Model | A6 | Regal |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 3786 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 175 HP | 251 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 230 Nm | 388 Nm |
| Engine Bore Size | 81 mm | 97 mm |
| Engine Stroke Size | 77.4 mm | 86 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1482 kg | 1598 kg |
| Vehicle Length | 4920 mm | 4990 mm |
| Vehicle Width | 2020 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2850 mm | 2780 mm |
| Fuel Consumption | 7.3 L/100km | 8.4 L/100km |
| Fuel Consumption Overall | 9.7 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
