1977 BMW 520 vs. 1981 Seat Ronda
To start off, 1981 Seat Ronda is newer by 4 year(s). Which means there will be less support and parts availability for 1977 BMW 520. In addition, the cost of maintenance, including insurance, on 1977 BMW 520 would be higher. At 1,951 cc (4 cylinders), 1977 BMW 520 is equipped with a bigger engine. In terms of performance, 1977 BMW 520 (134 HP @ 4000 RPM) has 49 more horse power than 1981 Seat Ronda. (85 HP @ 5600 RPM). In normal driving conditions, 1977 BMW 520 should accelerate faster than 1981 Seat Ronda. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 520 weights approximately 635 kg more than 1981 Seat Ronda. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 BMW 520 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1977 BMW 520. However, in wet, icy, snow, or gravel driving conditions, 1981 Seat Ronda, being front wheel drive (FWD), will offer much better control with better grip. 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, 1977 BMW 520 (280 Nm @ 1750 RPM) has 164 more torque (in Nm) than 1981 Seat Ronda. (116 Nm @ 3500 RPM). This means 1977 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 1981 Seat Ronda.
Compare all specifications:
| 1977 BMW 520 | 1981 Seat Ronda | |
| Make | BMW | Seat |
| Model | 520 | Ronda |
| Year Released | 1977 | 1981 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1951 cc | 1461 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 134 HP | 85 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 280 Nm | 116 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 88 mm | 67.5 mm |
| Engine Compression Ratio | 19.0:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1565 kg | 930 kg |
| Vehicle Length | 4780 mm | 4020 mm |
| Vehicle Width | 1810 mm | 1660 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2840 mm | 2460 mm |
