1999 Buick Regal vs. 2010 Daihatsu Sirion
To start off, 2010 Daihatsu Sirion is newer by 11 year(s). Which means there will be less support and parts availability for 1999 Buick Regal. In addition, the cost of maintenance, including insurance, on 1999 Buick Regal would be higher. At 3,789 cc (6 cylinders), 1999 Buick Regal is equipped with a bigger engine. In terms of performance, 1999 Buick Regal (197 HP @ 5200 RPM) has 128 more horse power than 2010 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 1999 Buick Regal should accelerate faster than 2010 Daihatsu Sirion.
Because 2010 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1999 Buick Regal. In wet, icy, snow, or gravel driving conditions, 2010 Daihatsu Sirion 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, 1999 Buick Regal (311 Nm @ 4000 RPM) has 217 more torque (in Nm) than 2010 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2010 Daihatsu Sirion. 1999 Buick Regal has automatic transmission and 2010 Daihatsu Sirion has manual transmission. 2010 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Buick Regal | 2010 Daihatsu Sirion | |
| Make | Buick | Daihatsu |
| Model | Regal | Sirion |
| Year Released | 1999 | 2010 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 998 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 69 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 311 Nm | 94 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 97 mm | 71.1 mm |
| Engine Stroke Size | 86 mm | 84 mm |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
