Kia Optima engine produces 16 HP more power than Hyundai Sonata, whereas torque is 17 NM more than Hyundai Sonata.
Fuel consumption
Fuel consumption (l/100km):
8.1
8.0
Kia Optima consumes 0.1 litres more fuel per 100 km than the Hyundai Sonata, which means that if you drive 15,000 km in a year, the Kia Optima could require 15 litres more fuel.
Fuel tank capacity:
70 litres
70 litres
Full fuel tank distance:
860 km in combined cycle
870 km in combined cycle
1120 km on highway
1140 km on highway
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.
