2009 Audi A4 vs. 2003 Buick Regal
To start off, 2009 Audi A4 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Buick Regal. In addition, the cost of maintenance, including insurance, on 2003 Buick Regal would be higher. At 3,789 cc (6 cylinders), 2003 Buick Regal is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (252 HP @ 5100 RPM) has 55 more horse power than 2003 Buick Regal. (197 HP @ 5200 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 2003 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Regal weights approximately 630 kg more than 2009 Audi A4.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A4 (331 Nm @ 3250 RPM) has 19 more torque (in Nm) than 2003 Buick Regal. (312 Nm @ 4000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Regal.
Compare all specifications:
| 2009 Audi A4 | 2003 Buick Regal | |
| Make | Audi | Buick |
| Model | A4 | Regal |
| Year Released | 2009 | 2003 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 3789 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 252 HP | 197 HP |
| Engine RPM | 5100 RPM | 5200 RPM |
| Torque | 331 Nm | 312 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 | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 930 kg | 1560 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 Tank Capacity | 70 L | 64 L |
