2009 Kia Opirus vs. 2003 MG ZS
To start off, 2009 Kia Opirus is newer by 6 year(s). Which means there will be less support and parts availability for 2003 MG ZS. In addition, the cost of maintenance, including insurance, on 2003 MG ZS would be higher. At 3,497 cc (6 cylinders), 2009 Kia Opirus is equipped with a bigger engine. In terms of performance, 2009 Kia Opirus (200 HP @ 5500 RPM) has 25 more horse power than 2003 MG ZS. (175 HP @ 6500 RPM). In normal driving conditions, 2009 Kia Opirus should accelerate faster than 2003 MG ZS. With that said, vehicle weight also plays an important factor in acceleration. 2009 Kia Opirus weights approximately 562 kg more than 2003 MG ZS. 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, 2009 Kia Opirus (298 Nm @ 3500 RPM) has 58 more torque (in Nm) than 2003 MG ZS. (240 Nm @ 4000 RPM). This means 2009 Kia Opirus will have an easier job in driving up hills or pulling heavy equipment than 2003 MG ZS. 2009 Kia Opirus has automatic transmission and 2003 MG ZS has manual transmission. 2003 MG ZS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Kia Opirus will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Kia Opirus | 2003 MG ZS | |
| Make | Kia | MG |
| Model | Opirus | ZS |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3497 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 175 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 298 Nm | 240 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 93.1 mm | 80 mm |
| Engine Stroke Size | 85.8 mm | 82.8 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 9.2 seconds | 7.7 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1897 kg | 1335 kg |
| Vehicle Length | 4990 mm | 4380 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1490 mm | 1390 mm |
| Wheelbase Size | 2810 mm | 2630 mm |
| Fuel Consumption Overall | 11.4 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
