2009 Hyundai Sonata vs. 2011 Hyundai Atos
To start off, 2011 Hyundai Atos is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Hyundai Sonata. In addition, the cost of maintenance, including insurance, on 2009 Hyundai Sonata would be higher. At 3,342 cc (6 cylinders), 2009 Hyundai Sonata is equipped with a bigger engine. In terms of performance, 2009 Hyundai Sonata (249 HP @ 6000 RPM) has 191 more horse power than 2011 Hyundai Atos. (58 HP @ 5450 RPM). In normal driving conditions, 2009 Hyundai Sonata should accelerate faster than 2011 Hyundai Atos. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hyundai Sonata weights approximately 234 kg more than 2011 Hyundai Atos. 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 (311 Nm @ 4500 RPM) has 227 more torque (in Nm) than 2011 Hyundai Atos. (84 Nm @ 2850 RPM). This means 2009 Hyundai Sonata will have an easier job in driving up hills or pulling heavy equipment than 2011 Hyundai Atos.
Compare all specifications:
| 2009 Hyundai Sonata | 2011 Hyundai Atos | |
| Make | Hyundai | Hyundai |
| Model | Sonata | Atos |
| Year Released | 2009 | 2011 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3342 cc | 1086 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 249 HP | 58 HP |
| Engine RPM | 6000 RPM | 5450 RPM |
| Torque | 311 Nm | 84 Nm |
| Torque RPM | 4500 RPM | 2850 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1119 kg | 885 kg |
| Vehicle Length | 4800 mm | 3570 mm |
| Vehicle Width | 1840 mm | 1530 mm |
| Vehicle Height | 1480 mm | 1580 mm |
| Wheelbase Size | 2730 mm | 2390 mm |
| Fuel Consumption Overall | 10.7 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 67 L | 35 L |
