2003 Buick LeSabre vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Buick LeSabre. In addition, the cost of maintenance, including insurance, on 2003 Buick LeSabre would be higher. At 3,791 cc (6 cylinders), 2003 Buick LeSabre is equipped with a bigger engine. In terms of performance, 2003 Buick LeSabre (205 HP @ 5200 RPM) has 119 more horse power than 2009 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2003 Buick LeSabre should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick LeSabre weights approximately 677 kg more than 2009 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2003 Buick LeSabre (311 Nm @ 4000 RPM) has 191 more torque (in Nm) than 2009 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2003 Buick LeSabre will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2003 Buick LeSabre | 2009 Daihatsu Sirion | |
| Make | Buick | Daihatsu |
| Model | LeSabre | Sirion |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1297 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 86 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 311 Nm | 120 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 97.1 mm | 72 mm |
| Engine Stroke Size | 86 mm | 79.7 mm |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1617 kg | 940 kg |
| Vehicle Length | 5090 mm | 3610 mm |
| Vehicle Width | 1870 mm | 1560 mm |
| Vehicle Height | 1450 mm | 1670 mm |
| Wheelbase Size | 2860 mm | 2440 mm |
| Fuel Tank Capacity | 68 L | 40 L |
