2005 Audi A6 vs. 1999 Buick Regal
To start off, 2005 Audi A6 is newer by 6 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, 1999 Buick Regal (197 HP @ 5200 RPM) has 17 more horse power than 2005 Audi A6. (180 HP @ 3300 RPM) In normal driving conditions, 1999 Buick Regal should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 320 kg more than 1999 Buick Regal.
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, 2005 Audi A6 (380 Nm @ 1400 RPM) has 69 more torque (in Nm) than 1999 Buick Regal. (311 Nm @ 4000 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Buick Regal. 1999 Buick Regal has automatic transmission and 2005 Audi A6 has manual transmission. 2005 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 1999 Buick Regal | |
| Make | Audi | Buick |
| Model | A6 | Regal |
| Year Released | 2005 | 1999 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2669 cc | 3789 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 180 HP | 197 HP |
| Engine RPM | 3300 RPM | 5200 RPM |
| Torque | 380 Nm | 311 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 97 mm |
| Engine Stroke Size | 83.1 mm | 86 mm |
| Engine Compression Ratio | 17.0:1 | 9.4:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1880 kg | 1560 kg |
| Vehicle Length | 4920 mm | 4990 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2580 mm | 2780 mm |
| Fuel Tank Capacity | 70 L | 64 L |
