2004 AC Aceca vs. 2005 Buick Regal
To start off, 2005 Buick Regal is newer by 1 year(s). Which means there will be less support and parts availability for 2004 AC Aceca. In addition, the cost of maintenance, including insurance, on 2004 AC Aceca would be higher. At 3,791 cc (6 cylinders), 2005 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 AC Aceca (346 HP @ 6500 RPM) has 149 more horse power than 2005 Buick Regal. (197 HP @ 5200 RPM). In normal driving conditions, 2004 AC Aceca should accelerate faster than 2005 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 2004 AC Aceca weights approximately 50 kg more than 2005 Buick Regal. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 AC Aceca 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 2004 AC Aceca. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2004 AC Aceca (400 Nm @ 4000 RPM) has 89 more torque (in Nm) than 2005 Buick Regal. (311 Nm @ 4000 RPM). This means 2004 AC Aceca will have an easier job in driving up hills or pulling heavy equipment than 2005 Buick Regal.
Compare all specifications:
| 2004 AC Aceca | 2005 Buick Regal | |
| Make | AC | Buick |
| Model | Aceca | Regal |
| Year Released | 2004 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3504 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 346 HP | 197 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 400 Nm | 311 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 97 mm |
| Engine Stroke Size | 81 mm | 86 mm |
| Engine Compression Ratio | 8.0:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1610 kg | 1560 kg |
| Vehicle Length | 4640 mm | 4990 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1350 mm | 1440 mm |
| Wheelbase Size | 2300 mm | 2780 mm |
| Fuel Tank Capacity | 90 L | 64 L |
