1999 Buick Regal vs. 2009 Audi A6
To start off, 2009 Audi A6 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Buick Regal. In addition, the cost of maintenance, including insurance, on 1999 Buick Regal would be higher. At 3,789 cc (6 cylinders), 1999 Buick Regal is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (252 HP @ 6500 RPM) has 55 more horse power than 1999 Buick Regal. (197 HP @ 5200 RPM) In normal driving conditions, 2009 Audi A6 should accelerate faster than 1999 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Regal weights approximately 260 kg more than 2009 Audi A6.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1999 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 (330 Nm @ 3250 RPM) has 19 more torque (in Nm) than 1999 Buick Regal. (311 Nm @ 4000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Buick Regal.
Compare all specifications:
| 1999 Buick Regal | 2009 Audi A6 | |
| Make | Buick | Audi |
| Model | Regal | A6 |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3789 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 | 311 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 | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1300 kg |
| Vehicle Length | 4990 mm | 4840 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2780 mm | 2770 mm |
| Fuel Tank Capacity | 64 L | 70 L |
