2005 Kia Optima vs. 2005 MG ZR
To start off, both 2005 Kia Optima and 2005 MG ZR were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,360 cc (4 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2005 MG ZR (158 HP @ 6900 RPM) has 20 more horse power than 2005 Kia Optima. (138 HP @ 4000 RPM) In normal driving conditions, 2005 MG ZR should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Optima weights approximately 377 kg more than 2005 MG ZR.
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, 2005 Kia Optima (199 Nm) has 22 more torque (in Nm) than 2005 MG ZR. (177 Nm). This means 2005 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 2005 MG ZR.
Compare all specifications:
| 2005 Kia Optima | 2005 MG ZR | |
| Make | Kia | MG |
| Model | Optima | ZR |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 158 HP |
| Engine RPM | 4000 RPM | 6900 RPM |
| Torque | 199 Nm | 177 Nm |
| Engine Bore Size | 87.1 mm | 80 mm |
| Engine Stroke Size | 100 mm | 89.3 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1497 kg | 1120 kg |
| Vehicle Length | 4730 mm | 4020 mm |
| Vehicle Width | 1820 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2510 mm |
| Fuel Consumption Overall | 9.4 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 65 L | 65 L |
