2004 Buick Regal vs. 2006 Audi A6
To start off, 2006 Audi A6 is newer by 2 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 3,791 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (252 HP @ 6500 RPM) has 55 more horse power than 2004 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2006 Audi A6 should accelerate faster than 2004 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Regal weights approximately 246 kg more than 2006 Audi A6.
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, 2006 Audi A6 (330 Nm @ 3250 RPM) has 18 more torque (in Nm) than 2004 Buick Regal. (312 Nm @ 4000 RPM). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Buick Regal.
Compare all specifications:
| 2004 Buick Regal | 2006 Audi A6 | |
| Make | Buick | Audi |
| Model | Regal | A6 |
| Year Released | 2004 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 3123 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 197 HP | 252 HP |
| Engine RPM | 5200 RPM | 6500 RPM |
| Torque | 312 Nm | 330 Nm |
| Torque RPM | 4000 RPM | 3250 RPM |
| Engine Bore Size | 97 mm | 84.5 mm |
| Engine Stroke Size | 86 mm | 92.8 mm |
| Engine Compression Ratio | 9.4:1 | 13.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1521 kg | 1275 kg |
| Vehicle Length | 4990 mm | 4800 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 3080 mm | 2770 mm |
| Fuel Consumption Overall | 10 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 66 L | 70 L |
