2004 Kia Optima vs. 1981 Seat 127
To start off, 2004 Kia Optima is newer by 23 year(s). Which means there will be less support and parts availability for 1981 Seat 127. In addition, the cost of maintenance, including insurance, on 1981 Seat 127 would be higher. At 2,398 cc (4 cylinders), 2004 Kia Optima is equipped with a bigger engine. In terms of performance, 2004 Kia Optima (138 HP @ 3800 RPM) has 91 more horse power than 1981 Seat 127. (47 HP @ 6200 RPM). In normal driving conditions, 2004 Kia Optima should accelerate faster than 1981 Seat 127. With that said, vehicle weight also plays an important factor in acceleration. 2004 Kia Optima weights approximately 844 kg more than 1981 Seat 127. 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, 2004 Kia Optima (199 Nm) has 136 more torque (in Nm) than 1981 Seat 127. (63 Nm). This means 2004 Kia Optima will have an easier job in driving up hills or pulling heavy equipment than 1981 Seat 127.
Compare all specifications:
| 2004 Kia Optima | 1981 Seat 127 | |
| Make | Kia | Seat |
| Model | Optima | 127 |
| Year Released | 2004 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2398 cc | 901 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 47 HP |
| Engine RPM | 3800 RPM | 6200 RPM |
| Torque | 199 Nm | 63 Nm |
| Drive Type | Front | Front |
| Vehicle Weight | 1549 kg | 705 kg |
| Vehicle Length | 4730 mm | 3600 mm |
| Vehicle Width | 1820 mm | 1530 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2720 mm | 2230 mm |
