Kia Optima and Hyundai Sonata have the same engine power, but Kia Optima torque is 2 NM less than Hyundai Sonata. Kia Optima reaches 100 km/h speed 0.3 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.6
7.6
Fuel tank capacity:
70 litres
70 litres
Full fuel tank distance:
920 km in combined cycle
920 km in combined cycle
1140 km on highway
1200 km on highway
Engines
Average engine lifespan:
390'000 km
390'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
6 years
6 years
Dimensions
Length:
4.85 m
4.82 m
Width:
1.83 m
1.84 m
Height:
1.46 m
1.47 m
Both cars are similar in size. Kia Optima is 3 cm longer than the Hyundai Sonata, width is practically the same , while the height of Kia Optima is 2 cm lower.
Trunk capacity:
505 litres
523 litres
Despite its longer length, Kia Optima has 18 litres less trunk space than the Hyundai Sonata. This could mean that the Kia Optima uses more space in the cabin, so the driver and passengers could be more spacious and comfortable.
Turning diameter:
11.2 meters
10.9 meters
The turning circle of the Kia Optima is 0.3 metres more than that of the Hyundai Sonata.
