2002 Buick Regal vs. 2007 Audi A4
To start off, 2007 Audi A4 is newer by 5 year(s). Which means there will be less support and parts availability for 2002 Buick Regal. In addition, the cost of maintenance, including insurance, on 2002 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2002 Buick Regal is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (222 HP @ 4000 RPM) has 17 more horse power than 2002 Buick Regal. (205 HP @ 5200 RPM) In normal driving conditions, 2007 Audi A4 should accelerate faster than 2002 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2002 Buick Regal weights approximately 285 kg more than 2007 Audi A4.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2002 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 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, 2007 Audi A4 (450 Nm @ 1400 RPM) has 139 more torque (in Nm) than 2002 Buick Regal. (311 Nm @ 4000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Buick Regal.
Compare all specifications:
| 2002 Buick Regal | 2007 Audi A4 | |
| Make | Buick | Audi |
| Model | Regal | A4 |
| Year Released | 2002 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2967 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 222 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 311 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 1400 RPM |
| Engine Bore Size | 97 mm | 83 mm |
| Engine Stroke Size | 86 mm | 91.4 mm |
| Engine Compression Ratio | 9.4:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1275 kg |
| Vehicle Length | 4990 mm | 4590 mm |
| Vehicle Width | 1850 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2780 mm | 2660 mm |
| Fuel Tank Capacity | 64 L | 70 L |
