2007 Audi A4 vs. 2004 Buick Regal
To start off, 2007 Audi A4 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Buick Regal. In addition, the cost of maintenance, including insurance, on 2004 Buick Regal would be higher. At 3,786 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 Buick Regal (251 HP @ 5200 RPM) has 54 more horse power than 2007 Audi A4. (197 HP @ 5100 RPM) In normal driving conditions, 2004 Buick Regal should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 32 kg more than 2004 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, 2004 Buick Regal (388 Nm) has 108 more torque (in Nm) than 2007 Audi A4. (280 Nm). This means 2004 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2004 Buick Regal | |
| Make | Audi | Buick |
| Model | A4 | Regal |
| Year Released | 2007 | 2004 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 3786 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 197 HP | 251 HP |
| Engine RPM | 5100 RPM | 5200 RPM |
| Torque | 280 Nm | 388 Nm |
| Engine Bore Size | 82.5 mm | 97 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Drive Type | Front | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1630 kg | 1598 kg |
| Vehicle Length | 4580 mm | 4990 mm |
| Vehicle Width | 1400 mm | 1850 mm |
| Vehicle Height | 1780 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2780 mm |
| Fuel Consumption Overall | 8.3 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
