2008 BMW 635 vs. 2011 Daihatsu Sirion
To start off, 2011 Daihatsu Sirion is newer by 3 year(s). Which means there will be less support and parts availability for 2008 BMW 635. In addition, the cost of maintenance, including insurance, on 2008 BMW 635 would be higher. At 2,993 cc (6 cylinders), 2008 BMW 635 is equipped with a bigger engine. In terms of performance, 2008 BMW 635 (282 HP @ 4400 RPM) has 213 more horse power than 2011 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2008 BMW 635 should accelerate faster than 2011 Daihatsu Sirion.
Because 2008 BMW 635 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 2008 BMW 635. However, in wet, icy, snow, or gravel driving conditions, 2011 Daihatsu Sirion, 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, 2008 BMW 635 (581 Nm @ 1750 RPM) has 487 more torque (in Nm) than 2011 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2008 BMW 635 will have an easier job in driving up hills or pulling heavy equipment than 2011 Daihatsu Sirion. 2008 BMW 635 has automatic transmission and 2011 Daihatsu Sirion has manual transmission. 2011 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW 635 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 635 | 2011 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 635 | Sirion |
| Year Released | 2008 | 2011 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 998 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 69 HP |
| Engine RPM | 4400 RPM | 6000 RPM |
| Torque | 581 Nm | 94 Nm |
| Torque RPM | 1750 RPM | 3600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 6.3 seconds | 13.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
