Used 2021 Kia K5 for SaleNationwide

Compare 2021 Kia K5 Trims

The 2021 Kia K5 offers a range of trims from budget-friendly options to sportier models, all with impressive fuel efficiency.

• Starting at $15,315
• Best MPG/MPGe: 27 city / 37 hwy
• Most Popular: GT-Line FWD

Trim Overview

Prices updated weekly from CarGurus listings.

Quick Compare Table

Listing prices sourced from CarGurus — updated weekly. OEM specs from manufacturer data.

Missing data displayed as "—".

Trim Deep Dives

LX FWD — "Who It's For"

The LX FWD is the pick for shoppers who want essential features without paying for extras. It's a great entry-level option.

• Avg. market price: $15,338 (updated weekly)
• MPG/MPGe: 27 city / 37 hwy
• Inventory: 52 listings — lower availability; may limit negotiating room
• View LX FWD listings

LXS FWD — "Who It's For"

The LXS FWD is the pick for shoppers who want a few more features without a significant price jump. It offers a solid balance of value.

• Avg. market price: $15,315 (updated weekly)
• MPG/MPGe: 27 city / 37 hwy
• Inventory: 860 listings
• View LXS FWD listings

GT-Line FWD — "Who It's For"

The GT-Line FWD is the pick for shoppers who want sporty styling and features without going for the top trim. It's the most popular choice.

• Avg. market price: $19,745 (updated weekly)
• MPG/MPGe: 27 city / 37 hwy
• Inventory: 2,847 listings — widest selection in the lineup
• View GT-Line FWD listings

EX FWD — "Who It's For"

The EX FWD is the pick for shoppers who want a touch of luxury and advanced tech features without breaking the bank.

• Avg. market price: $18,992 (updated weekly)
• MPG/MPGe: 27 city / 37 hwy
• Inventory: 516 listings
• View EX FWD listings

GT-Line AWD — "Who It's For"

The GT-Line AWD is the pick for shoppers who want sporty performance and all-weather capability. It's a solid choice for diverse driving conditions.

• Avg. market price: $19,278 (updated weekly)
• MPG/MPGe: 26 city / 34 hwy
• Inventory: 71 listings — lower availability; may limit negotiating room
• View GT-Line AWD listings

GT FWD — "Who It's For"

The GT FWD is the pick for shoppers who want a fully loaded experience with powerful performance. It's the most premium option in the lineup.

• Avg. market price: $22,181 (updated weekly)
• MPG/MPGe: 24 city / 32 hwy
• Inventory: 299 listings
• View GT FWD listings

Trim Recommendations

Most Popular — GT-Line FWD

With 2,847 active listings, the GT-Line FWD is the clear volume leader in the lineup.

Browse GT-Line FWD listings

Best Budget Option — LXS FWD

At $15,315 avg market price — below the lineup median of $19,135 — it's the most accessible entry point.

Browse LXS FWD listings

Best for Fuel Economy — LX FWD

The LX FWD offers the best fuel economy in the lineup at 27/37 MPG/MPGe.

Browse LX FWD listings

These recommendations are based on CarGurus' proprietary market data from October 1, 2026, CarGurus experts' opinions, and generative AI.

How much does the 2021 Kia K5 cost?

Prices have softened 8.17% compared to this time last year, making it a favorable time to shop this model year.

There are 1,483 listings available, which suggests you should have a reasonable amount of inventory to compare.

Is the 2021 Kia K5 a good car?

Yes — the 2021 Kia K5 earns a 4.73/5 user rating and a 7.67/10 expert rating. The standout strength is Form and function at 9/10.

Drivers commonly praise its smooth driving experience, stylish design, and value for money. The K5 is also frequently appreciated for its strong turbo engine performance and overall appeal as a fresh, modern sedan.

The trade-offs are that it drives less sporty than it looks and all-wheel drive is not available.

For you, that means the K5 makes the most sense if you want a midsize sedan that feels distinctive and well-equipped rather than purely athletic. Good and great deals account for 30.6% of listings, so there is still some room to shop selectively.

Is the 2021 Kia K5 reliable?

Owners rate it 4.73/5, a strong signal of long-term satisfaction.

Drivers describe the K5 as smooth and value-focused, and the feedback also points to a generally dependable ownership experience. The 1.6L turbo engine is often praised, which supports the impression that this model can be a solid daily driver.

Kia also backs the car with a five-year/60,000-mile warranty with roadside assistance, which helps reduce early ownership risk. For used buyers, the main long-term concern is making sure any example you consider has been maintained properly and does not show signs of unresolved wear.

What should I look for when buying a used 2021 Kia K5?

At 70.1% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

You should start with a vehicle history report and then prioritize a close inspection of body panels, paint consistency, and signs of prior repair. Because accident history is common enough to matter here, condition should carry extra weight in your decision.

Pay attention to how the car’s features work in real use, especially the infotainment system and any convenience equipment you plan to rely on. If possible, test the car on a route that lets you evaluate acceleration, braking, and steering feel.

Key things to evaluate:

• Trim level: The LX is the simplest version and skips folding rear seats and push-button start, while the LXS adds those essentials along with proximity entry, remote start, and Smart Trunk. The GT-Line adds 18-inch wheels, fog lights, mirror turn signals, rear USB ports, a power driver’s seat, and auto up/down front passenger window controls, while the Premium package adds a panoramic sunroof, adaptive cruise control, and triple LED projector headlights. The EX adds heated seats, ventilated seats, rear air vents, a Bose stereo, and the 10-inch infotainment system, while the GT adds paddle shifters, 19-inch wheels, quad exhaust tips, and extra performance hardware.
• Powertrain: The standard engine is a 1.6-liter turbo-four with 180 hp and 195 lb-ft of torque, paired with an eight-speed automatic. The GT uses a 2.5-liter turbocharged four-cylinder with 290 horsepower and 311 pound-feet of torque. Fuel economy is very good at 27 mpg city, 37 mpg highway, and 31 mpg combined on FWD base-engine models, while AWD versions are rated at 26/34/29.
• Safety package: Forward emergency braking with pedestrian detection, lane-keep assist, and a driver attention monitor are standard. Rear side airbags and a driver’s knee airbag are also standard. Blind-spot monitoring with Safe Exit Assist is standard on LXS and above, while cyclist detection and Junction Turning are on the GT-Line Premium package. Rear emergency braking and parking sensors are on EX and above trims.
• Infotainment: Wireless Apple CarPlay and Android Auto are standard, and the base setup uses an 8-inch touchscreen. The EX upgrades to a 10-inch infotainment system with SiriusXM and UVO link, and the system also adds voice-command features plus Amazon Alexa and Google Assistant compatibility.
• Fuel efficiency: The base FWD engine returns 27 mpg city, 37 mpg highway, and 31 mpg combined, while the AWD version is rated at 26/34/29.

Which 2021 Kia K5 trim should I buy?

The 2021 Kia K5 is offered in 6 trim levels: LX, LXS, GT-Line, EX, GT-Line Premium, GT.

Here's the short version:

• LX: This is the entry point, but it leaves out folding rear seats and push-button start, so it makes the most sense only if you are focused on the lowest possible price.
• LXS: This is the best-value choice for many shoppers because it adds the essentials the LX misses, plus proximity entry, remote start, and Smart Trunk.
• GT-Line: This is the mid-level sweet spot if you want the most style and a richer feature set without jumping to the pricier trims.
• EX: Choose this if comfort matters most, since it adds heated and ventilated seats, rear air vents, a Bose stereo, and the larger infotainment system.
• GT-Line Premium: This is the right pick if you want the GT-Line look with more advanced convenience and safety features, including adaptive cruise control and the panoramic sunroof.
• GT: This is the performance-oriented choice, with the stronger turbo engine, paddle shifters, 19-inch wheels, and extra hardware.

Blind-spot monitoring with Safe Exit Assist is standard on LXS and above, while the GT-Line Premium package adds cyclist detection and Junction Turning.

Is now a good time to buy a used 2021 Kia K5?

The market looks selective rather than overheated, so you can shop with some leverage if you stay disciplined.

• Deal availability: 30.6% of listings are priced as good or great deals.
• Inventory: There are 1,483 listings available.
• Price trend: Prices have softened 8.17% compared with last year.
• Clean inventory: 70.1% of listings are accident-free.

If you find a listing below $18,178, that's toward the low end of the year-round range and worth acting on quickly.

What is the 2021 Kia K5's resale value?

The current average of $18,178 sits slightly below last year's $19,795.

That decline suggests the K5 has become more affordable for buyers, which can make it easier to move later if you price it competitively. For a future seller, the current trend means you should expect resale value to reflect a softer market rather than a rising one.

Even so, the K5’s broad appeal, stylish design, and strong value proposition can help support demand. Well-kept examples with desirable equipment should remain easier to sell than neglected ones.

Vehicles with strong owner satisfaction ratings, like this model year's 4.73/5, tend to retain buyer demand, which supports resale value over time.

Is the 2021 Kia K5 safe?

It earns an 8/10 safety score from our experts.

The K5 is too new to be rated by the National Highway Traffic Safety Administration (NHTSA) or the Insurance Institute for Highway Safety (IIHS).

It comes with a strong standard safety package that includes forward emergency braking with pedestrian detection, lane-keep assist, a driver attention monitor, rear side airbags, and a driver’s knee airbag. Blind-spot monitoring with Safe Exit Assist is standard on LXS and above, while cyclist detection and Junction Turning are included on the GT-Line Premium package.

Rear emergency braking and parking sensors are reserved for EX and above trims, so you should check carefully if those features matter to you. The lack of crash-test results also means you should lean more heavily on the car’s standard equipment and your own inspection when shopping used.

Should I buy a 2021 Kia K5 or consider a different year?

If you're weighing the 2021 against nearby model years, here's how to think about it:

Choose the 2021 if:

• 30.6% of listings are priced as good or great deals.
• At 70.1% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 8.17% compared with last year.
• Owners rate it 4.73/5 — a strong satisfaction signal.
• The 2021 K5 is an all-new sedan that replaces the Optima with more style and speed.

Consider the 2022 if:

• At $20,023, the 2022 costs more than the current year's $18,178 average.
• It adds redesigned emblems and more standard features.

The bottom line: If you want the better value, the 2021 is the stronger buy because prices are softer and inventory is broad enough to shop carefully. If you are willing to pay more for a newer model year with incremental updates, the 2022 is the cleaner alternative.

These recommendations are based on CarGurus' proprietary market data from September 29, 2026, CarGurus experts' opinions, and generative AI.