2003 Proton 400 vs. 1979 Seat 127
To start off, 2003 Proton 400 is newer by 24 year(s). Which means there will be less support and parts availability for 1979 Seat 127. In addition, the cost of maintenance, including insurance, on 1979 Seat 127 would be higher. At 1,299 cc (4 cylinders), 2003 Proton 400 is equipped with a bigger engine. In terms of performance, 2003 Proton 400 (74 HP @ 6000 RPM) has 27 more horse power than 1979 Seat 127. (47 HP @ 6200 RPM). In normal driving conditions, 2003 Proton 400 should accelerate faster than 1979 Seat 127. With that said, vehicle weight also plays an important factor in acceleration. 2003 Proton 400 weights approximately 265 kg more than 1979 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, 2003 Proton 400 (108 Nm @ 3000 RPM) has 45 more torque (in Nm) than 1979 Seat 127. (63 Nm @ 3500 RPM). This means 2003 Proton 400 will have an easier job in driving up hills or pulling heavy equipment than 1979 Seat 127.
Compare all specifications:
| 2003 Proton 400 | 1979 Seat 127 | |
| Make | Proton | Seat |
| Model | 400 | 127 |
| Year Released | 2003 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 1299 cc | 903 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 47 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 108 Nm | 63 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Vehicle Weight | 970 kg | 705 kg |
| Vehicle Length | 4370 mm | 3600 mm |
| Vehicle Width | 1700 mm | 1530 mm |
| Vehicle Height | 1390 mm | 1380 mm |
| Wheelbase Size | 2510 mm | 2230 mm |
