2007 Daihatsu Sirion vs. 2003 Isuzu Ascender
To start off, 2007 Daihatsu Sirion is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Isuzu Ascender. In addition, the cost of maintenance, including insurance, on 2003 Isuzu Ascender would be higher. At 4,195 cc (6 cylinders), 2003 Isuzu Ascender is equipped with a bigger engine. In terms of performance, 2003 Isuzu Ascender (271 HP @ 6000 RPM) has 185 more horse power than 2007 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 2003 Isuzu Ascender should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2003 Isuzu Ascender weights approximately 1245 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Isuzu Ascender is four wheel drive (4WD), it will have significant more traction and grip than 2007 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2003 Isuzu Ascender 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, 2003 Isuzu Ascender (374 Nm @ 3600 RPM) has 254 more torque (in Nm) than 2007 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2003 Isuzu Ascender will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion. 2003 Isuzu Ascender has automatic transmission and 2007 Daihatsu Sirion has manual transmission. 2007 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Isuzu Ascender will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Daihatsu Sirion | 2003 Isuzu Ascender | |
| Make | Daihatsu | Isuzu |
| Model | Sirion | Ascender |
| Year Released | 2007 | 2003 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 4195 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 271 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 120 Nm | 374 Nm |
| Torque RPM | 3200 RPM | 3600 RPM |
| Engine Bore Size | 72 mm | 93 mm |
| Engine Stroke Size | 79.7 mm | 102 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 925 kg | 2170 kg |
| Vehicle Length | 3610 mm | 5280 mm |
| Vehicle Width | 1670 mm | 1940 mm |
| Vehicle Height | 1560 mm | 1920 mm |
| Wheelbase Size | 2440 mm | 3280 mm |
