2007 Hyundai Elantra vs. 2009 Hyundai Sonata
To start off, 2009 Hyundai Sonata is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Hyundai Elantra. In addition, the cost of maintenance, including insurance, on 2007 Hyundai Elantra would be higher. At 1,991 cc (4 cylinders), 2009 Hyundai Sonata is equipped with a bigger engine. In terms of performance, 2009 Hyundai Sonata (138 HP @ 4000 RPM) has 27 more horse power than 2007 Hyundai Elantra. (111 HP @ 4000 RPM) In normal driving conditions, 2009 Hyundai Sonata should accelerate faster than 2007 Hyundai Elantra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hyundai Sonata weights approximately 492 kg more than 2007 Hyundai Elantra. 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, 2009 Hyundai Sonata (305 Nm @ 1800 RPM) has 70 more torque (in Nm) than 2007 Hyundai Elantra. (235 Nm @ 2000 RPM). This means 2009 Hyundai Sonata will have an easier job in driving up hills or pulling heavy equipment than 2007 Hyundai Elantra.
Compare all specifications:
| 2007 Hyundai Elantra | 2009 Hyundai Sonata | |
| Make | Hyundai | Hyundai |
| Model | Elantra | Sonata |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1989 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 111 HP | 138 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 235 Nm | 305 Nm |
| Torque RPM | 2000 RPM | 1800 RPM |
| Engine Compression Ratio | 18.0:1 | 17.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 190 km/hour | 203 km/hour |
| Acceleration 0-100mph | 11.7 seconds | 10.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1188 kg | 1680 kg |
| Vehicle Length | 4530 mm | 4810 mm |
| Vehicle Width | 1730 mm | 1830 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2740 mm |
| Fuel Consumption Overall | 6.4 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
