2003 Holden Astra vs. 2003 Proton 400
To start off, both 2003 Holden Astra and 2003 Proton 400 were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,796 cc (4 cylinders), 2003 Holden Astra is equipped with a bigger engine. In terms of performance, 2003 Holden Astra (120 HP @ 5600 RPM) has 46 more horse power than 2003 Proton 400. (74 HP @ 6000 RPM). In normal driving conditions, 2003 Holden Astra should accelerate faster than 2003 Proton 400. With that said, vehicle weight also plays an important factor in acceleration. 2003 Holden Astra weights approximately 182 kg more than 2003 Proton 400. 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 Holden Astra (165 Nm @ 3600 RPM) has 57 more torque (in Nm) than 2003 Proton 400. (108 Nm @ 3000 RPM). This means 2003 Holden Astra will have an easier job in driving up hills or pulling heavy equipment than 2003 Proton 400.
Compare all specifications:
| 2003 Holden Astra | 2003 Proton 400 | |
| Make | Holden | Proton |
| Model | Astra | 400 |
| Year Released | 2003 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1299 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 120 HP | 74 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 165 Nm | 108 Nm |
| Torque RPM | 3600 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1152 kg | 970 kg |
| Vehicle Length | 4120 mm | 4370 mm |
| Vehicle Width | 1720 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2610 mm | 2510 mm |
