2009 Cadillac STS vs. 2010 Daihatsu Sirion
To start off, 2010 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2009 Cadillac STS would be higher. At 3,564 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (300 HP) has 231 more horse power than 2010 Daihatsu Sirion. (69 HP). In normal driving conditions, 2009 Cadillac STS 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 2009 Cadillac STS. 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, 2009 Cadillac STS (273 Nm @ 5200 RPM) has 179 more torque (in Nm) than 2010 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2010 Daihatsu Sirion. 2009 Cadillac STS 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. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac STS | 2010 Daihatsu Sirion | |
| Make | Cadillac | Daihatsu |
| Model | STS | Sirion |
| Year Released | 2009 | 2010 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3564 cc | 998 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 69 HP |
| Torque | 273 Nm | 94 Nm |
| Torque RPM | 5200 RPM | 3600 RPM |
| Engine Bore Size | 94 mm | 71.1 mm |
| Engine Stroke Size | 85.6 mm | 84 mm |
| Engine Compression Ratio | 11.3:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 7.4 seconds | 13.9 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
