Hyundai Sonata engine produces 16 HP less power than Kia Optima, whereas torque is 17 NM less than Kia Optima. Despite less power, Hyundai Sonata reaches 100 km/h speed 0.4 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.9
8.1
Hyundai Sonata consumes 0.2 litres less fuel per 100 km than the Kia Optima, which means that by driving the Hyundai Sonata over 15,000 km in a year you can save 30 litres of fuel.
Fuel tank capacity:
70 litres
70 litres
Full fuel tank distance:
880 km in combined cycle
860 km in combined cycle
1140 km on highway
1120 km on highway
Dimensions
Length:
4.82 m
4.85 m
Width:
1.84 m
1.83 m
Height:
1.47 m
1.46 m
Both cars are similar in size. Hyundai Sonata is 3 cm shorter than the Kia Optima, width is practically the same , while the height of Hyundai Sonata is 2 cm higher.
Trunk capacity:
523 litres
505 litres
Even though the car is shorter, Hyundai Sonata has 18 litres more trunk space than the Kia Optima. The Kia Optima may have more interior space, so the cabin could be more spacious and more comfortable for the driver and passengers.
Turning diameter:
10.9 meters
11.2 meters
The turning circle of the Hyundai Sonata is 0.3 metres less than that of the Kia Optima.
