2002 Audi A4 vs. 2005 Buick Regal
To start off, 2005 Buick Regal is newer by 3 year(s). Which means there will be less support and parts availability for 2002 Audi A4. In addition, the cost of maintenance, including insurance, on 2002 Audi A4 would be higher. At 3,791 cc (6 cylinders), 2005 Buick Regal is equipped with a bigger engine. In terms of performance, 2005 Buick Regal (197 HP @ 5200 RPM) has 29 more horse power than 2002 Audi A4. (168 HP @ 4000 RPM) In normal driving conditions, 2005 Buick Regal should accelerate faster than 2002 Audi A4.
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 Buick Regal (311 Nm @ 4000 RPM) has 1 more torque (in Nm) than 2002 Audi A4. (310 Nm @ 1400 RPM). This means 2005 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2002 Audi A4. 2005 Buick Regal has automatic transmission and 2002 Audi A4 has manual transmission. 2002 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2002 Audi A4 | 2005 Buick Regal | |
| Make | Audi | Buick |
| Model | A4 | Regal |
| Year Released | 2002 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2391 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 168 HP | 197 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 310 Nm | 311 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 78.3 mm | 97 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 18.5:1 | 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 | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1560 kg |
| Vehicle Length | 4550 mm | 4990 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2770 mm | 2780 mm |
| Fuel Tank Capacity | 70 L | 64 L |
