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, 2005 Audi A6 (252 HP @ 6500 RPM) has 55 more horse power than 1999 Buick Regal. (197 HP @ 5200 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1999 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 120 kg more than 1999 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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, 2005 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, 2005 Audi A6 (331 Nm @ 3250 RPM) has 20 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 | 3123 cc | 3789 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 252 HP | 197 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 331 Nm | 311 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 97 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1680 kg | 1560 kg |
| Vehicle Length | 4920 mm | 4990 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1440 mm |
| Wheelbase Size | 2770 mm | 2780 mm |
| Fuel Tank Capacity | 80 L | 64 L |
