2004 Buick Regal vs. 2003 Panoz AIV
To start off, 2004 Buick Regal is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Panoz AIV. In addition, the cost of maintenance, including insurance, on 2003 Panoz AIV would be higher. At 4,599 cc (8 cylinders), 2003 Panoz AIV is equipped with a bigger engine. In terms of performance, 2003 Panoz AIV (301 HP @ 5800 RPM) has 50 more horse power than 2004 Buick Regal. (251 HP @ 5200 RPM) In normal driving conditions, 2003 Panoz AIV should accelerate faster than 2004 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Regal weights approximately 418 kg more than 2003 Panoz AIV.
Because 2003 Panoz AIV is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Panoz AIV. However, in wet, icy, snow, or gravel driving conditions, 2004 Buick Regal, being front wheel drive (FWD), will offer much better control with better grip. 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, 2003 Panoz AIV (407 Nm) has 19 more torque (in Nm) than 2004 Buick Regal. (388 Nm). This means 2003 Panoz AIV will have an easier job in driving up hills or pulling heavy equipment than 2004 Buick Regal.
Compare all specifications:
| 2004 Buick Regal | 2003 Panoz AIV | |
| Make | Buick | Panoz |
| Model | Regal | AIV |
| Year Released | 2004 | 2003 |
| Body Type | Sedan | Roadster |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 4599 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 251 HP | 301 HP |
| Engine RPM | 5200 RPM | 5800 RPM |
| Torque | 388 Nm | 407 Nm |
| Engine Bore Size | 97 mm | 90.2 mm |
| Engine Stroke Size | 86 mm | 90.2 mm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1598 kg | 1180 kg |
| Vehicle Length | 4990 mm | 4050 mm |
| Vehicle Width | 1850 mm | 1950 mm |
| Vehicle Height | 1440 mm | 1200 mm |
| Wheelbase Size | 2780 mm | 2660 mm |
| Fuel Tank Capacity | 64 L | 59 L |
