Kia Optima Fuel Consumption (MPG & km/L)

From 2015 to 2019, the Kia Optima, a car so obscure you could be forgiven for forgetting it exists, made some significant improvements for buyers of large saloons. The Optima had to be good to compete with the Ford Mondeo, Vauxhall Insignia, and Volkswagen Passat, but its discontinuation is telling. The Stinger is a new big, low Kia that should be checked out by drivers.

Customers currently have just one engine option: a 1.7-litre diesel. Choosing the manual gearbox results in slightly higher fuel efficiency (67.3 mpg) compared to the automatic's 64.2 mpg.

Kia Optima Fuel Consumption

With this most recent model, CO2 emissions have significantly decreased; for the manual 1.7-litre diesel, they are as low as 110g/km. It increases the Kia Optima saloon's competitiveness in the segment, especially for drivers of company cars, even though it isn't class-leading.

With a seven-year/100,000-mile warranty, Kia demonstrates their genuine faith in the dependability of their vehicles. As a result, the Optima Saloon should have no problems, especially in the first three years of ownership.

Kia Optima engines – petrol, diesel and plug-in

The Optima originally offered just one engine, a 1.7-litre diesel, producing 139hp and 340Nm. That means 0-62mph in 10 seconds and a top speed of 121mph. Under the applicable testing it claims 67.3mpg, while CO2 emissions of 110g/km keeps VED down on pre-April 2017 registrations.

The twin-clutch automatic gearbox, which is new for this generation, matches the technology found in high-end vehicles from the same era and is more efficient than its predecessor.

The broader range comprises the 202 horsepower plug-in hybrid, the 235 horsepower 2.0-litre turbocharged petrol GT, and a 1.6-litre diesel, but only on the 3 trim level. Although there are usually a few plug-in hybrids available as well, the majority of examples available for purchase will be 1.7-litre diesel models. The latter is significantly less expensive as a saloon than the Optima Sportswagon PHEV.

Kia Optima Fuel Efficiency Figures

The fuel consumption of the Kia Optima is shown below in both MPG (Miles Per Gallon) and km/L (Kilometers Per Litre). Both of these figures show you how far that particular Kia Optima variant can travel for every gallon (4.55 litres) and every litre (1000ml) of fuel. The higher the MPG or km/L value, the more economical the car is and the cheaper it will be to run. As well as providing the combined figures, we also give you the fuel consumption you can expect from a Kia Optima in urban / city driving conditions as well as what can be expected on the open highway / motorway.

Car Make, Model & Year	Imperial (MPG)	Metric (km/L)
KIA Optima Saloon 2 1.6 CRDi 134bhp 6-speed manual ISG Diesel Manual (2021)	54.3 mpg City: 48.7 mpg Highway: 61.4 mpg	23.1 km/L City: 26.1 km/L Highway: 20.7 km/L
KIA Optima Saloon 3 1.6 CRDi 134bhp 6-speed manual ISG Diesel Manual (2021)	53.3 mpg City: 47.1 mpg Highway: 60.1 mpg	22.7 km/L City: 25.6 km/L Highway: 20 km/L
KIA Optima Saloon 3 1.6 CRDi 134bhp 7-speed auto DCT ISG Diesel Automatic (2021)	53.3 mpg City: 47.1 mpg Highway: 61.4 mpg	22.7 km/L City: 26.1 km/L Highway: 20 km/L
KIA Optima Sportwagon 2 1.6 CRDi 134bhp 6-speed manual ISG Diesel Manual (2021)	52.3 mpg City: 47.1 mpg Highway: 58.9 mpg	22.2 km/L City: 25 km/L Highway: 20 km/L
KIA Optima Sportwagon 3 1.6 CRDi 134bhp 6-speed manual ISG Diesel Manual (2021)	51.4 mpg City: 46.3 mpg Highway: 58.9 mpg	21.9 km/L City: 25 km/L Highway: 19.7 km/L
KIA Optima Sportwagon 3 1.6 CRDi 134bhp 7-speed auto DCT ISG Diesel Automatic (2021)	52.3 mpg City: 46.3 mpg Highway: 60.1 mpg	22.2 km/L City: 25.6 km/L Highway: 19.7 km/L
KIA Optima Sportwagon GT 2.0 T-GDi 235bhp 6-speed auto Petrol Automatic (2021)	30.4 mpg City: 18.6 mpg Highway: 36.7 mpg	12.9 km/L City: 15.6 km/L Highway: 7.9 km/L
KIA Optima Sportwagon GT-Line S 1.6 CRDi 134bhp 7-speed auto DCT ISG Diesel Automatic (2021)	52.3 mpg City: 45.6 mpg Highway: 58.9 mpg	22.2 km/L City: 25 km/L Highway: 19.4 km/L
KIA Optima Saloon 2 1.6 CRDi 134bhp 6-speed manual ISG Diesel Manual (2020)	54.3 mpg City: 48.7 mpg Highway: 61.4 mpg	23.1 km/L City: 26.1 km/L Highway: 20.7 km/L
KIA Optima Saloon 3 1.6 CRDi 134bhp 6-speed manual ISG Diesel Manual (2020)	53.3 mpg City: 47.1 mpg Highway: 60.1 mpg	22.7 km/L City: 25.6 km/L Highway: 20 km/L
KIA Optima Saloon 3 1.6 CRDi 134bhp 7-speed auto DCT ISG Diesel Automatic (2020)	53.3 mpg City: 47.1 mpg Highway: 61.4 mpg	22.7 km/L City: 26.1 km/L Highway: 20 km/L
KIA Optima Sportwagon 2 1.6 CRDi 134bhp 6-speed manual ISG Diesel Manual (2020)	52.3 mpg City: 47.1 mpg Highway: 58.9 mpg	22.2 km/L City: 25 km/L Highway: 20 km/L
KIA Optima Sportwagon 3 1.6 CRDi 134bhp 6-speed manual ISG Diesel Manual (2020)	51.4 mpg City: 46.3 mpg Highway: 58.9 mpg	21.9 km/L City: 25 km/L Highway: 19.7 km/L
KIA Optima Sportwagon 3 1.6 CRDi 134bhp 7-speed auto DCT ISG Diesel Automatic (2020)	52.3 mpg City: 46.3 mpg Highway: 60.1 mpg	22.2 km/L City: 25.6 km/L Highway: 19.7 km/L
KIA Optima Sportwagon GT 2.0 T-GDi 235bhp 6-speed auto Petrol Automatic (2020)	30.4 mpg City: 18.6 mpg Highway: 36.7 mpg	12.9 km/L City: 15.6 km/L Highway: 7.9 km/L
KIA Optima Sportwagon GT-Line S 1.6 CRDi 134bhp 7-speed auto DCT ISG Diesel Automatic (2020)	52.3 mpg City: 45.6 mpg Highway: 58.9 mpg	22.2 km/L City: 25 km/L Highway: 19.4 km/L
KIA Optima Saloon 2 1.6 CRDi 134bhp 6-speed manual ISG Diesel Manual (2019)	54.3 mpg City: 48.7 mpg Highway: 61.4 mpg	23.1 km/L City: 26.1 km/L Highway: 20.7 km/L
KIA Optima Saloon 3 1.6 CRDi 134bhp 6-speed manual ISG Diesel Manual (2019)	53.3 mpg City: 47.1 mpg Highway: 60.1 mpg	22.7 km/L City: 25.6 km/L Highway: 20 km/L
KIA Optima Saloon 3 1.6 CRDi 134bhp 7-speed auto DCT ISG Diesel Automatic (2019)	53.3 mpg City: 47.1 mpg Highway: 61.4 mpg	22.7 km/L City: 26.1 km/L Highway: 20 km/L
KIA Optima Sportwagon 2 1.6 CRDi 134bhp 6-speed manual ISG Diesel Manual (2019)	52.3 mpg City: 47.1 mpg Highway: 58.9 mpg	22.2 km/L City: 25 km/L Highway: 20 km/L
KIA Optima Sportwagon 3 1.6 CRDi 134bhp 6-speed manual ISG Diesel Manual (2019)	51.4 mpg City: 46.3 mpg Highway: 58.9 mpg	21.9 km/L City: 25 km/L Highway: 19.7 km/L
KIA Optima Sportwagon 3 1.6 CRDi 134bhp 7-speed auto DCT ISG Diesel Automatic (2019)	52.3 mpg City: 46.3 mpg Highway: 60.1 mpg	22.2 km/L City: 25.6 km/L Highway: 19.7 km/L
KIA Optima Sportwagon GT 2.0 T-GDi 235bhp 6-speed auto Petrol Automatic (2019)	30.4 mpg City: 18.6 mpg Highway: 36.7 mpg	12.9 km/L City: 15.6 km/L Highway: 7.9 km/L
KIA Optima Sportwagon GT-Line S 1.6 CRDi 134bhp 7-speed auto DCT ISG Diesel Automatic (2019)	52.3 mpg City: 45.6 mpg Highway: 58.9 mpg	22.2 km/L City: 25 km/L Highway: 19.4 km/L
KIA Optima Saloon '2' 1.7 CRDi 139bhp ISG Diesel Manual (2018)	67.3 mpg City: 55.4 mpg Highway: 76.3 mpg	28.6 km/L City: 32.4 km/L Highway: 23.6 km/L
KIA Optima Saloon '3' 1.7 CRDi 139bhp DCT ISG Diesel S-tronic (2018)	64.2 mpg City: 55.4 mpg Highway: 68.9 mpg	27.3 km/L City: 29.3 km/L Highway: 23.6 km/L
KIA Optima Saloon 'GT-Line S' 1.7 CRDi 139bhp DCT ISG Diesel S-tronic (2018)	64.2 mpg City: 55.4 mpg Highway: 68.9 mpg	27.3 km/L City: 29.3 km/L Highway: 23.6 km/L
KIA Optima Saloon 'PHEV' 2.0 GDi 202bhp Electricity / Petrol Automatic (2018)	176.6 mpg City: 0 mpg Highway: 0 mpg	75.1 km/L City: 0 km/L Highway: 0 km/L
KIA Optima Saloon '3' 1.7 CRDi 139bhp ISG Diesel Manual (2018)	67.3 mpg City: 55.4 mpg Highway: 76.3 mpg	28.6 km/L City: 32.4 km/L Highway: 23.6 km/L
KIA Optima Saloon 'GT' 2.0 T-GDi 241bhp Petrol Automatic (2018)	34.4 mpg City: 23.9 mpg Highway: 46.3 mpg	14.6 km/L City: 19.7 km/L Highway: 10.2 km/L
KIA Optima Saloon '2' 1.6 CRDi 134bhp ISG Diesel Manual (2018)	62.8 mpg City: 56.5 mpg Highway: 68.9 mpg	26.7 km/L City: 29.3 km/L Highway: 24 km/L
KIA Optima Saloon '3' 1.6 CRDi 134bhp ISG Diesel Manual (2018)	62.8 mpg City: 56.5 mpg Highway: 68.9 mpg	26.7 km/L City: 29.3 km/L Highway: 24 km/L
KIA Optima Saloon '3' 1.6 CRDi 134bhp DCT Diesel S-tronic (2018)	64.2 mpg City: 57.6 mpg Highway: 67.3 mpg	27.3 km/L City: 28.6 km/L Highway: 24.5 km/L
KIA Optima Sportswagon '2' 1.6 CRDi 134bhp ISG Diesel Manual (2018)	61.4 mpg City: 54.3 mpg Highway: 65.7 mpg	26.1 km/L City: 27.9 km/L Highway: 23.1 km/L
KIA Optima Sportswagon '3' 1.6 CRDi 134bhp ISG Diesel Manual (2018)	61.4 mpg City: 54.3 mpg Highway: 65.7 mpg	26.1 km/L City: 27.9 km/L Highway: 23.1 km/L
KIA Optima Sportswagon 'GT-Line S' 1.6 CRDi 134bhp DCT ISG Diesel S-tronic (2018)	61.4 mpg City: 55.4 mpg Highway: 65.7 mpg	26.1 km/L City: 27.9 km/L Highway: 23.6 km/L
KIA Optima Sportswagon '3' 1.6 CRDi 134bhp DCT ISG Diesel S-tronic (2018)	61.4 mpg City: 55.4 mpg Highway: 65.7 mpg	26.1 km/L City: 27.9 km/L Highway: 23.6 km/L
KIA Optima Sportswagon 'PHEV' 2.0 GDi 202bhp Electricity / Petrol Automatic (2018)	201.8 mpg City: 0 mpg Highway: 0 mpg	85.8 km/L City: 0 km/L Highway: 0 km/L
KIA Optima Sportswagon 'GT' 2.0 T-GDi 241bhp Petrol Automatic (2018)	30.7 mpg City: 21.4 mpg Highway: 40.9 mpg	13.1 km/L City: 17.4 km/L Highway: 9.1 km/L
KIA Optima 4-door '2' 1.7 CRDi 139bhp ISG Diesel Manual (2017)	67.3 mpg City: 55.4 mpg Highway: 76.3 mpg	28.6 km/L City: 32.4 km/L Highway: 23.6 km/L
KIA Optima 4-door 3' 1.7 CRDi 139bhp ISG Diesel Manual (2017)	67.3 mpg City: 55.4 mpg Highway: 76.3 mpg	28.6 km/L City: 32.4 km/L Highway: 23.6 km/L
KIA Optima 4-door '3' 1.7 CRDi 139bhp DCT ISG Diesel S-tronic (2017)	64.2 mpg City: 55.4 mpg Highway: 68.9 mpg	27.3 km/L City: 29.3 km/L Highway: 23.6 km/L
KIA Optima 4-door 'GT-Line S' 1.7 CRDi 139bhp DCT ISG Diesel S-tronic (2017)	64.2 mpg City: 55.4 mpg Highway: 68.9 mpg	27.3 km/L City: 29.3 km/L Highway: 23.6 km/L
KIA Optima Sportswagon '2' 1.7 CRDi 139bhp ISG Diesel Manual (2017)	64.2 mpg City: 54.3 mpg Highway: 74.3 mpg	27.3 km/L City: 31.6 km/L Highway: 23.1 km/L
KIA Optima Sportswagon '3' 1.7 CRDi 139bhp DCT ISG Diesel S-tronic (2017)	61.4 mpg City: 54.3 mpg Highway: 67.3 mpg	26.1 km/L City: 28.6 km/L Highway: 23.1 km/L
KIA Optima Sportswagon 3' 1.7 CRDi 139bhp ISG Diesel Manual (2017)	64.2 mpg City: 54.3 mpg Highway: 74.3 mpg	27.3 km/L City: 31.6 km/L Highway: 23.1 km/L
KIA Optima Sportswagon 'GT-Line S' 1.7 CRDi 139bhp DCT ISG Diesel S-tronic (2017)	61.4 mpg City: 54.3 mpg Highway: 67.3 mpg	26.1 km/L City: 28.6 km/L Highway: 23.1 km/L
KIA Optima 4-door 'PHEV' 2.0 GDi 202bhp Electricity / Petrol Automatic (2017)	176.6 mpg City: 0 mpg Highway: 0 mpg	75.1 km/L City: 0 km/L Highway: 0 km/L

How To Calculate Real Fuel Consumption Of Your Kia Optima

The 'real fuel consumption' shows you the amount of fuel your Kia Optima is consuming to travel a fixed distance. This is normally shown as L/100km. This figure shows you the amount of fuel consumed in litres for every 100kms travelled. This is the most commonly used figure for showing the fuel consumption of a vehicle. The formula to calculate it is:

(Litres of fuel used X 100) / Kilometers travelled = L/km.

Why not try our free online fuel consumption calculator and work out your own figures.