2006 Audi A4 vs. 1999 Buick Regal
To start off, 2006 Audi A4 is newer by 7 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 (245 HP @ 5200 RPM) has 77 more horse power than 2006 Audi A4. (168 HP @ 6000 RPM) In normal driving conditions, 1999 Buick Regal should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 40 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, 1999 Buick Regal (380 Nm @ 3600 RPM) has 150 more torque (in Nm) than 2006 Audi A4. (230 Nm @ 3200 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4. 1999 Buick Regal has automatic transmission and 2006 Audi A4 has manual transmission. 2006 Audi A4 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:
| 2006 Audi A4 | 1999 Buick Regal | |
| Make | Audi | Buick |
| Model | A4 | Regal |
| Year Released | 2006 | 1999 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 3789 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 168 HP | 245 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 230 Nm | 380 Nm |
| Torque RPM | 3200 RPM | 3600 RPM |
| Engine Bore Size | 81 mm | 97 mm |
| Engine Stroke Size | 77.4 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 8.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1600 kg | 1560 kg |
| Vehicle Length | 4580 mm | 4990 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2780 mm |
| Fuel Tank Capacity | 70 L | 64 L |
