Kia Optima research: recalls, reliability and buyer's guide

The Optima gave buyers sharp styling and lots of equipment for the money. 2011-2015 models offer a 200-hp 2.4L or a punchy 274-hp 2.0L turbo plus a hybrid; the redesigned 2016-2020 car is roomier and adds an efficient 1.6L turbo, and a plug-in hybrid arrived for 2017. 2019-2020 models have standard Apple CarPlay, Android Auto and automatic emergency braking. Many Optimas are covered by engine recalls or campaigns and an anti-theft software upgrade, so check the VIN.

Model years covered: 2011–2020. The Optima was replaced by the K5 after the 2020 model year; there are no 2021 or later U.S. Optimas.

Last updated 2026-10-15.

Strengths

Striking styling for the price
Strong 2.0 liter turbo performance
High mpg hybrid and plug in options
Generous standard equipment
Standard safety tech 2019 2020
Low used prices

Things to know before you buy

Theta ii engine recall and ksds status by VIN
Anti theft software upgrade for turn key cars
1.6 liter turbo uses dual clutch
2016 is a full redesign year
2019 is a refresh year
Replaced by k5 after 2020
Recall status should be checked by VIN

Generations

Generation 3 (2011–2015)

The 2011 Optima's sleek design (Kia's TF generation) transformed the nameplate. It offered a 200-hp 2.4L GDI four with a 6-speed manual (2011-2013) or automatic, a 274-hp 2.0L turbo, and the first Optima Hybrid. A 2014 refresh added LED lighting, a better cabin and optional blind-spot monitoring. The Theta II gas engines are covered by Kia's 2017 engine recall (2011-2014) and knock-sensor campaigns.

Buyer takeaway: A third-generation Optima is an inexpensive, stylish sedan, especially the quick SX turbo, but only buy one with documented engine-recall work, KSDS software and good oil-change records.

Generation 4 (2016–2020)

The 2016 redesign (JF) is roomier and quieter, with a 185-hp 2.4L, a 178-hp 1.6L turbo with a 7-speed dual-clutch, and a 245-hp 2.0L turbo. A 2.0L Hybrid and the first Optima Plug-in Hybrid (9.8-kWh battery, about 29 miles electric range) arrived for 2017. The 2019 refresh made smartphone integration and key safety tech standard. It was replaced by the K5 for 2021.

Buyer takeaway: For the best value and safety tech, choose a 2019-2020; the 2.4L is the simplest, the 1.6T the most efficient gas engine, and the Hybrid or Plug-in best for commuters.

Kia Optima by model year

2020 Kia Optima

The 2020 Optima is the last before Kia renamed its midsize sedan the K5 for 2021. It carries over the refreshed 2019 car: a 185-hp 2.4L (about 24/32 mpg), 178-hp 1.6L turbo with dual-clutch (about 27/37 mpg), 245-hp 2.0L turbo (about 21/30 mpg), the Hybrid (about 42 mpg combined) and the Plug-in Hybrid (about 28 miles electric range). Standard safety tech makes it a strong value.

Engines: 2.4 liter gdi I4 185 hp 178 lb ft; 1.6 liter turbo I4 178 hp 195 lb ft; 2.0 liter turbo I4 245 hp 260 lb ft; 2.0 liter hybrid I4 154 hp engine plus electric motor; 2.0 liter plug in hybrid 9 8 kWh battery
Transmissions: 6 speed automatic 2.4 liter and 2.0 liter turbo; 7 speed dual clutch 1.6 liter turbo; 6 speed automatic hybrid and plug in
Drivetrain: Front wheel drive
Body style: 4 door sedan

What changed:

Final US model year for the optima name
Replaced by the kia k5 for 2021
Largely carryover from 2019

What to inspect: Open recalls by VIN; Exact engine resolution by VIN; Anti theft software upgrade if turn key ignition; Theta ii engine recall and ksds campaign status; Engine knock or ticking noise; Oil level and oil change records; Check engine light and stored codes; Hybrid battery and system warnings if hybrid; Driver assistance sensors and warnings; Dual clutch low speed behavior if ex; Suspension and tires; Brakes; Electronics and infotainment; Maintenance history.

2019 Kia Optima

The 2019 refresh updated the styling and made Apple CarPlay, Android Auto, forward collision avoidance, blind-spot monitoring and rear cross-traffic alert standard even on the base LX. LX and S use the 185-hp 2.4L (about 24/33 mpg), the EX gets the 178-hp 1.6L turbo with dual-clutch (about 27/37 mpg), and the SX has the 245-hp 2.0L turbo. Hybrid and Plug-in models continue.

Engines: 2.4 liter gdi I4 185 hp 178 lb ft; 1.6 liter turbo I4 178 hp 195 lb ft; 2.0 liter turbo I4 245 hp 260 lb ft; 2.0 liter hybrid I4 154 hp engine plus electric motor; 2.0 liter plug in hybrid 9 8 kWh battery
Transmissions: 6 speed automatic 2.4 liter and 2.0 liter turbo; 7 speed dual clutch 1.6 liter turbo; 6 speed automatic hybrid and plug in
Drivetrain: Front wheel drive
Body style: 4 door sedan

What changed:

Refreshed styling with LED daytime running lights
Apple carplay and android auto standard
Standard forward collision avoidance and blind spot monitoring
Trims lx s ex and sx
1.6 liter turbo moves to ex trim

2018 Kia Optima

The 2018 Optima is largely unchanged, with an S trim joining the lineup. Choices remain the 185-hp 2.4L (about 24/34 mpg), the 178-hp 1.6L turbo with a 7-speed dual-clutch (about 28/37 mpg), the 245-hp 2.0L turbo (about 22/31 mpg), the Hybrid (about 39/46 mpg) and the Plug-in Hybrid (about 29 miles electric range). It is the last year before the 2019 refresh.

Engines: 2.4 liter gdi I4 185 hp 178 lb ft; 1.6 liter turbo I4 178 hp 195 lb ft; 2.0 liter turbo I4 245 hp 260 lb ft; 2.0 liter hybrid I4 154 hp engine plus electric motor; 2.0 liter plug in hybrid 9 8 kWh battery
Transmissions: 6 speed automatic 2.4 liter and 2.0 liter turbo; 7 speed dual clutch 1.6 liter turbo; 6 speed automatic hybrid and plug in
Drivetrain: Front wheel drive
Body style: 4 door sedan

What changed:

Largely carryover
Optima s trim listed
Last year before the 2019 refresh

What to inspect: Open recalls by VIN; Exact engine resolution by VIN; Anti theft software upgrade if turn key ignition; Theta ii engine recall and ksds campaign status; Engine knock or ticking noise; Oil level and oil change records; Check engine light and stored codes; Hybrid battery and system warnings if hybrid; Dual clutch low speed behavior if 1.6 liter turbo; Suspension and tires; Brakes; Electronics and infotainment; Maintenance history.

2017 Kia Optima

For 2017 the redesigned Optima Hybrid arrived with a 2.0L engine (about 39/46 mpg), along with Kia's first Optima Plug-in Hybrid, which has a 9.8-kWh battery and about 29 miles of EPA-rated electric range. Gas models carry over the 185-hp 2.4L (about 24/34 mpg), 178-hp 1.6L turbo with dual-clutch (about 28/37 mpg) and 245-hp 2.0L turbo.

Engines: 2.4 liter gdi I4 185 hp 178 lb ft; 1.6 liter turbo I4 178 hp 195 lb ft; 2.0 liter turbo I4 245 hp 260 lb ft; 2.0 liter hybrid I4 154 hp engine plus electric motor; 2.0 liter plug in hybrid 9 8 kWh battery
Transmissions: 6 speed automatic 2.4 liter and 2.0 liter turbo; 7 speed dual clutch 1.6 liter turbo; 6 speed automatic hybrid and plug in
Drivetrain: Front wheel drive
Body style: 4 door sedan

What changed:

New generation optima hybrid with 2.0 liter engine
First optima plug in hybrid with about 29 miles electric range
Gas models largely carryover

What to inspect: Open recalls by VIN; Exact engine resolution by VIN; Anti theft software upgrade if turn key ignition; Theta ii engine recall and ksds campaign status; Engine knock or ticking noise; Oil level and oil change records; Check engine light and stored codes; Hybrid battery and system warnings if hybrid; Plug in charging port and cord if PHEV; Dual clutch low speed behavior if 1.6 liter turbo; Suspension and tires; Brakes; Electronics and infotainment; Maintenance history.

2016 Kia Optima

The redesigned 2016 Optima is roomier and more refined, with three engines: a 185-hp 2.4L four (about 24/34 mpg), a new 178-hp 1.6L turbo with a 7-speed dual-clutch (about 28/37 mpg), and a 245-hp 2.0L turbo in SX models (about 22/31 mpg). The 2016 Optima Hybrid is still the previous-generation car. Check engine recalls and campaigns by VIN.

Engines: 2.4 liter gdi I4 185 hp 178 lb ft; 1.6 liter turbo I4 178 hp 195 lb ft; 2.0 liter turbo I4 245 hp 260 lb ft; 2.4 liter hybrid carryover previous generation
Transmissions: 6 speed automatic 2.4 liter and 2.0 liter turbo; 7 speed dual clutch 1.6 liter turbo
Drivetrain: Front wheel drive
Body style: 4 door sedan

What changed:

All new fourth generation design
New 1.6 liter turbo with 7 speed dual clutch
2.0 liter turbo detuned to 245 hp
Roomier stiffer body
Hybrid continues on the older design for 2016

What to inspect: Open recalls by VIN; Exact engine resolution by VIN; Anti theft software upgrade if turn key ignition; Theta ii engine recall and ksds campaign status; Engine knock or ticking noise; Oil level and oil change records; Check engine light and stored codes; Dual clutch low speed behavior if 1.6 liter turbo; Suspension and tires; Brakes; Electronics and infotainment; Maintenance history.

2015 Kia Optima

The 2015 Optima is the last of the third-generation gas cars, carrying over the refreshed 2014 design with a 2.4L four (about 23/33 mpg), the 274-hp 2.0L turbo (about 20/30 mpg), and the Hybrid (about 35/38 mpg). It can be a good value, but confirm Theta II engine campaign status and look for steady oil-change records.

Engines: 2.4 liter gdi I4 about 192 hp; 2.0 liter turbo gdi I4 274 hp; 2.4 liter hybrid with electric motor
Transmissions: 6 speed automatic
Drivetrain: Front wheel drive
Body style: 4 door sedan

What changed:

Largely carryover from 2014
Last year of the third generation gas models

What to inspect: Open recalls by VIN; Exact engine resolution by VIN; Anti theft software upgrade if turn key ignition; Theta ii engine recall and ksds campaign status; Engine knock or ticking noise; Oil level and oil change records; Check engine light and stored codes; Hybrid battery and system warnings if hybrid; Suspension and tires; Brakes; Electronics and infotainment; Maintenance history.

2014 Kia Optima

The 2014 refresh brought new front and rear styling with LED lights, a nicer cabin with a 4.3-inch gauge display and available 8-inch screen, and optional blind-spot monitoring with rear cross-traffic alert. Engines carry over: a 2.4L four (about 23/33 mpg), the 274-hp 2.0L turbo (about 20/30 mpg) and the Hybrid (about 35/38 mpg), all automatic. Check Theta II recall status by VIN.

Engines: 2.4 liter gdi I4 about 192 hp; 2.0 liter turbo gdi I4 274 hp; 2.4 liter hybrid with electric motor
Transmissions: 6 speed automatic
Drivetrain: Front wheel drive
Body style: 4 door sedan

What changed:

Refreshed front and rear styling with LED lighting
4 3 inch tft gauge display and available 8 inch screen
Available blind spot monitoring with rear cross traffic alert
Selectable drive modes on sx
Manual transmission dropped

What to inspect: Open recalls by VIN; Exact engine resolution by VIN; Anti theft software upgrade if turn key ignition; Theta ii engine recall and ksds campaign status; Engine knock or ticking noise; Oil level and oil change records; Check engine light and stored codes; Hybrid battery and system warnings if hybrid; Suspension and tires; Brakes; Electronics and infotainment; Maintenance history.

2013 Kia Optima

The 2013 Optima is a carryover with the 200-hp 2.4L four (about 24/34 mpg, and the last year a 6-speed manual was offered), the 274-hp 2.0L turbo (about 22/33 mpg) and the Hybrid (about 35/38 mpg). Like other 2011-2014 Optimas, the gas engines are covered by Kia's Theta II engine recall, so check the VIN and look for knock-sensor software and oil-change records.

Engines: 2.4 liter gdi I4 200 hp; 2.0 liter turbo gdi I4 274 hp 269 lb ft; 2.4 liter hybrid 206 hp combined
Transmissions: 6 speed manual base 2.4 liter; 6 speed automatic
Drivetrain: Front wheel drive
Body style: 4 door sedan

What changed:

Largely carryover from 2012
Last year of the manual transmission
Hybrid ex version listed by EPA

What to inspect: Open recalls by VIN; Exact engine resolution by VIN; Anti theft software upgrade if turn key ignition; Theta ii engine recall and ksds campaign status; Engine knock or ticking noise; Oil level and oil change records; Check engine light and stored codes; Hybrid battery and system warnings if hybrid; Suspension and tires; Brakes; Electronics and infotainment; Maintenance history.

2012 Kia Optima

The 2012 Optima continues the 2011 recipe: a 200-hp 2.4L four (manual or automatic, about 24/34 mpg), the 274-hp 2.0L turbo in SX models (about 22/33 mpg), and the Optima Hybrid (about 34/38 mpg). It offers a lot of style and equipment for the money, but its Theta II engines fall under Kia's engine recall and knock-sensor campaign, so confirm status by VIN.

Engines: 2.4 liter gdi I4 200 hp; 2.0 liter turbo gdi I4 274 hp 269 lb ft; 2.4 liter hybrid 206 hp combined
Transmissions: 6 speed manual base 2.4 liter; 6 speed automatic
Drivetrain: Front wheel drive
Body style: 4 door sedan

What changed:

Largely carryover from 2011
Same 2.4 liter 2.0 liter turbo and hybrid lineup

What to inspect: Open recalls by VIN; Exact engine resolution by VIN; Anti theft software upgrade if turn key ignition; Theta ii engine recall and ksds campaign status; Engine knock or ticking noise; Oil level and oil change records; Check engine light and stored codes; Hybrid battery and system warnings if hybrid; Suspension and tires; Brakes; Electronics and infotainment; Maintenance history.

2011 Kia Optima

The 2011 Optima was a dramatic redesign whose sleek styling changed Kia's image. Engines are a 200-hp 2.4L direct-injected four (6-speed manual or automatic, about 24/34 mpg), a 274-hp 2.0L turbo (about 22/33 mpg), and a new Optima Hybrid (about 34/38 mpg). The 2.4 and 2.0T are Theta II engines covered by Kia's engine recall and campaigns, so check the VIN.

Engines: 2.4 liter gdi I4 200 hp; 2.0 liter turbo gdi I4 274 hp 269 lb ft; 2.4 liter hybrid 206 hp combined
Transmissions: 6 speed manual base 2.4 liter; 6 speed automatic
Drivetrain: Front wheel drive
Body style: 4 door sedan

What changed:

All new third generation design
Direct injected 2.4 liter and 274 hp 2.0 liter turbo
First optima hybrid
6 speed manual on base model

What to inspect: Open recalls by VIN; Exact engine resolution by VIN; Anti theft software upgrade if turn key ignition; Theta ii engine recall and ksds campaign status; Engine knock or ticking noise; Oil level and oil change records; Check engine light and stored codes; Hybrid battery and system warnings if hybrid; Suspension and tires; Brakes; Electronics and infotainment; Maintenance history.

Known issues and what to check

Theta II Engine Recall (Connecting-Rod Bearing Wear) (2011–2014)
In 2017 Kia recalled 2011-2014 Optimas with the 2.4L GDI and 2.0L turbo Theta II engines (NHTSA recall 17V-224, shared with some Sorento and Sportage models). Machining debris could cause premature connecting-rod bearing wear, leading to knocking, engine damage and possible stalling. Dealers inspected the engine and replaced it if needed. Other engine-related recalls, including some addressing fire risk, also covered certain Optimas.
What to do: Confirm all engine recalls are complete and ask for the dealer paperwork before buying a 2011-2014 Optima.
Knock Sensor Detection System Campaign and Extended Engine Coverage (2011–2019)
Kia added Knock Sensor Detection System (KSDS) software to many Theta II-equipped Optimas. It watches for the vibration of early bearing wear and puts the car into a reduced-power mode so the problem is caught before the engine fails. Kia also extended engine warranty coverage for eligible vehicles, including through a U.S. class-action settlement. Eligibility depends on engine, year and VIN, so confirm with Kia.
What to do: Ask a Kia dealer to confirm the KSDS update and any extended engine coverage for the VIN; keep oil-change records.
Anti-Theft Software Upgrade (Turn-Key Ignition Models) (2011–2020)
Kia offered a free anti-theft software upgrade for 2011-2020 Optima models with a traditional turn-key ignition (no push-button start) after a wave of thefts targeting cars without an engine immobilizer. The update extends the alarm and requires the key fob to unlock the car before it can be started. Eligibility depends on the vehicle's ignition type and VIN.
What to do: If the car has a turn-key ignition, confirm the free anti-theft software upgrade was done (a Kia dealer can install it) and check your insurer's requirements.
1.6L Turbo 7-Speed Dual-Clutch Behavior (2016–2020)
2016-2020 Optimas with the 178-hp 1.6L turbo use a 7-speed dual-clutch transmission. It is efficient but can feel hesitant or jerky at very low speeds compared with a conventional automatic.
What to do: Test the 1.6T in stop-and-go driving; choose a 2.4L if you prefer a conventional automatic.
Hybrid and Plug-In Hybrid System Check (2011–2020)
Optima Hybrids (2011-2020) and Plug-in Hybrids (2017-2020) have high-voltage batteries and hybrid drive systems that should be checked separately from gas models. A healthy plug-in should charge normally and show a reasonable electric range.
What to do: Have a Kia dealer or hybrid-capable shop scan the hybrid system and confirm any remaining hybrid warranty.
Optima Generation, Engine and K5 Disambiguation (2011–2020)
The Optima changed generations for 2016 and was renamed K5 for 2021. Engines vary by year: 2.4L and 2.0L turbo (2011-2020, with lower ratings from 2016), a 1.6L turbo (2016-2020), a 2.4L hybrid (2011-2016), and a 2.0L hybrid and plug-in (2017-2020). The 2016 Optima Hybrid is still the previous-generation design.
What to do: Confirm the exact year, engine and trim before comparing prices or specs.

Recalls

Recall applicability varies by model year, production date, engine, transmission, equipment, and VIN. Check the VIN for current open recalls, service campaigns, and completed remedies. For Theta II-equipped Optimas, also confirm knock-sensor (KSDS) software and extended engine coverage with Kia; for turn-key cars, confirm the anti-theft software upgrade.

Similar vehicles to consider

Questions this guide answers

What generation is this Kia Optima?
What engine does this Optima have?
Has the Theta II engine recall been done on this Optima?
Does this Optima have the knock sensor (KSDS) update?
Does this Optima need the anti-theft software upgrade?
Is the 1.6 turbo's dual-clutch transmission a concern?
How far can the Optima Plug-in Hybrid go on electricity?
What changed in the 2016 and 2019 Optima?
Is the Optima the same as the Kia K5?
What similar vehicles should I consider?