2005 Kia Optima vs. 1987 Subaru Rex
To start off, 2005 Kia Optima is newer by 18 year(s). Which means there will be less support and parts availability for 1987 Subaru Rex. In addition, the cost of maintenance, including insurance, on 1987 Subaru Rex would be higher. At 2,360 cc (4 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2005 Kia Optima (138 HP @ 4000 RPM) has 107 more horse power than 1987 Subaru Rex. (31 HP @ 6000 RPM). In normal driving conditions, 2005 Kia Optima should accelerate faster than 1987 Subaru Rex. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Optima weights approximately 942 kg more than 1987 Subaru Rex. 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, 2005 Kia Optima (199 Nm) has 156 more torque (in Nm) than 1987 Subaru Rex. (43 Nm). This means 2005 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 1987 Subaru Rex.
Compare all specifications:
| 2005 Kia Optima | 1987 Subaru Rex | |
| Make | Kia | Subaru |
| Model | Optima | Rex |
| Year Released | 2005 | 1987 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 544 cc |
| Engine Cylinders | 4 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 31 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 199 Nm | 43 Nm |
| Engine Bore Size | 87.1 mm | 76 mm |
| Engine Stroke Size | 100 mm | 60 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1497 kg | 555 kg |
| Vehicle Length | 4730 mm | 3250 mm |
| Vehicle Width | 1820 mm | 1400 mm |
| Vehicle Height | 1420 mm | 1360 mm |
| Wheelbase Size | 2620 mm | 2260 mm |
