2007 Daihatsu Sirion vs. 2007 Pontiac Grand Prix
To start off, both 2007 Daihatsu Sirion and 2007 Pontiac Grand Prix were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,786 cc (6 cylinders), 2007 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2007 Pontiac Grand Prix (200 HP) has 114 more horse power than 2007 Daihatsu Sirion. (86 HP) In normal driving conditions, 2007 Pontiac Grand Prix should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 Pontiac Grand Prix weights approximately 431 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 2007 Pontiac Grand Prix 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 2007 Pontiac Grand Prix. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Pontiac Grand Prix (312 Nm @ 4000 RPM) has 192 more torque (in Nm) than 2007 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2007 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion. 2007 Pontiac Grand Prix 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. 2007 Pontiac Grand Prix will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Daihatsu Sirion | 2007 Pontiac Grand Prix | |
| Make | Daihatsu | Pontiac |
| Model | Sirion | Grand Prix |
| Year Released | 2007 | 2007 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 3786 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 86 HP | 200 HP |
| Torque | 120 Nm | 312 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 72 mm | 97 mm |
| Engine Stroke Size | 79.7 mm | 86 mm |
| Engine Compression Ratio | 10.0:1 | 9.4:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 925 kg | 1356 kg |
| Vehicle Length | 3610 mm | 5040 mm |
| Vehicle Width | 1670 mm | 1830 mm |
| Vehicle Height | 1560 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2810 mm |
| Fuel Consumption Overall | 5 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 40 L | 64 L |
