2003 Opel Signum vs. 2004 Proton Tiara
To start off, 2004 Proton Tiara is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (208 HP @ 6200 RPM) has 149 more horse power than 2004 Proton Tiara. (59 HP @ 6200 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 2004 Proton Tiara. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 830 kg more than 2004 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 Signum (300 Nm @ 4000 RPM) has 210 more torque (in Nm) than 2004 Proton Tiara. (90 Nm @ 3800 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 Proton Tiara.
Compare all specifications:
| 2003 Opel Signum | 2004 Proton Tiara | |
| Make | Opel | Proton |
| Model | Signum | Tiara |
| Year Released | 2003 | 2004 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3173 cc | 1123 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 208 HP | 59 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 300 Nm | 90 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1610 kg | 780 kg |
| Vehicle Length | 4640 mm | 3530 mm |
| Vehicle Width | 1800 mm | 1530 mm |
| Vehicle Height | 1470 mm | 1360 mm |
| Wheelbase Size | 2740 mm | 2290 mm |
