2003 Opel Astra vs. 2005 Proton Tiara
To start off, 2005 Proton Tiara is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 2,198 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (145 HP @ 5800 RPM) has 86 more horse power than 2005 Proton Tiara. (59 HP @ 6200 RPM). In normal driving conditions, 2003 Opel Astra should accelerate faster than 2005 Proton Tiara. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 518 kg more than 2005 Proton Tiara. 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 Opel Astra (203 Nm @ 4000 RPM) has 113 more torque (in Nm) than 2005 Proton Tiara. (90 Nm @ 3800 RPM). This means 2003 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Proton Tiara. 2003 Opel Astra has automatic transmission and 2005 Proton Tiara has manual transmission. 2005 Proton Tiara will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Astra | 2005 Proton Tiara | |
| Make | Opel | Proton |
| Model | Astra | Tiara |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 1124 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 59 HP |
| Engine RPM | 5800 RPM | 6200 RPM |
| Torque | 203 Nm | 90 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1298 kg | 780 kg |
| Vehicle Length | 4120 mm | 3530 mm |
| Vehicle Width | 1720 mm | 1530 mm |
| Vehicle Height | 1430 mm | 1360 mm |
| Wheelbase Size | 2500 mm | 2290 mm |
