2007 Hyundai Sonata vs. 1981 Seat Ronda
To start off, 2007 Hyundai Sonata is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Seat Ronda. In addition, the cost of maintenance, including insurance, on 1981 Seat Ronda would be higher. At 1,991 cc (4 cylinders), 2007 Hyundai Sonata is equipped with a bigger engine. In terms of performance, 2007 Hyundai Sonata (139 HP @ 4000 RPM) has 86 more horse power than 1981 Seat Ronda. (53 HP @ 4500 RPM). In normal driving conditions, 2007 Hyundai Sonata should accelerate faster than 1981 Seat Ronda. With that said, vehicle weight also plays an important factor in acceleration. 2007 Hyundai Sonata weights approximately 730 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.
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, 2007 Hyundai Sonata (305 Nm @ 1800 RPM) has 207 more torque (in Nm) than 1981 Seat Ronda. (98 Nm @ 2300 RPM). This means 2007 Hyundai Sonata will have an easier job in driving up hills or pulling heavy equipment than 1981 Seat Ronda.
Compare all specifications:
| 2007 Hyundai Sonata | 1981 Seat Ronda | |
| Make | Hyundai | Seat |
| Model | Sonata | Ronda |
| Year Released | 2007 | 1981 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1714 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 139 HP | 53 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 305 Nm | 98 Nm |
| Torque RPM | 1800 RPM | 2300 RPM |
| Engine Compression Ratio | 17.5:1 | 20.0:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1680 kg | 950 kg |
| Vehicle Width | 1830 mm | 1660 mm |
| Vehicle Height | 1430 mm | 1410 mm |
| Wheelbase Size | 2740 mm | 2460 mm |
