How much does the 2021 Kia K5 cost?

Prices have softened 6.49% compared to this time last year, making it a favorable time to shop this model year.

There are 1,498 listings available, which suggests solid inventory for comparison shopping.

If you find a listing below $18,510.48, that's toward the low end of the year-round range and worth acting on quickly.

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 consistently praise its stylish design, smooth driving experience, and strong value for money. The K5 also gets credit for its multiple powertrain options and its overall appeal as a modern, expressive sedan.

The trade-offs are that it drives less sporty than it looks and all-wheel drive is not available. In practical terms, that means you should expect a style-first midsize sedan that still fits everyday commuting and family use well.

With 31.0% of listings marked as good or great deals, the market still offers some room to find value.

Is the 2021 Kia K5 reliable?

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

The user feedback points to a car that feels smooth, dependable, and easy to live with over time. Reviewers also highlight its value and the sense that it can be a car you can count on for daily use.

On the expert side, the K5 is described as having a strong chassis and body shell, which supports confidence in its long-term durability. Kia’s five-year/60,000-mile warranty with roadside assistance also helps reduce early ownership risk.

For used buyers, the main long-term concern is making sure any example has been maintained well and that the infotainment and feature set work as expected.

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

At 70.4% 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 pre-purchase inspection, especially if the car has been in any collision. Focus on bodywork quality, panel alignment, tire wear, and whether the electronics and driver-assistance features operate correctly.

Key things to evaluate:

• Trim level: The LX is the most basic version and misses folding rear seats and push-button start. The LXS adds those essentials, plus proximity entry, remote start, and Smart Trunk. The GT-Line adds 18-inch wheels, fog lights, mirror turn signals, rear USB ports, and a power driver’s seat, 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. The GT brings paddle shifters, 19-inch wheels, quad exhaust tips, and extra performance hardware.
• Powertrain: The standard 1.6-liter turbo-four makes 180 hp and 195 lb-ft of torque and pairs 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 drops that to 26/34/29.
• Safety package: Forward emergency braking with pedestrian detection, lane-keep assist, and a driver attention monitor come 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. Cyclist detection and Junction Turning are on the GT-Line Premium package, while rear emergency braking and parking sensors are on EX and above.
• Infotainment: Wireless Apple CarPlay and Android Auto are standard. The LX uses the base infotainment setup, while the EX gets a 10-inch infotainment system with SiriusXM and UVO link. The system also supports Amazon Alexa and Google Assistant, and the car can use Smart Cruise Control with lane centering.
• Fuel efficiency: The base FWD model returns 27 mpg city, 37 mpg highway, and 31 mpg combined. The AWD version is rated at 26 mpg city, 34 mpg highway, and 29 mpg combined.

Which 2021 Kia K5 trim should I buy?

The 2021 Kia K5 is offered in 5 trim levels: LX, LXS, GT-Line, EX, GT.

Here's the short version:

• Base trim: The LX is the least equipped choice, and it skips folding rear seats and push-button start. It also uses the simpler infotainment setup.
• Sweet-spot trim: The LXS is the best value pick because it adds the essentials the LX misses, plus proximity entry, remote start, and Smart Trunk.
• Premium/top trim: The EX is the most appealing upscale choice if you want heated seats, ventilated seats, rear air vents, a Bose stereo, and the 10-inch infotainment system.
• Off-road trim: The GT is the performance-focused choice, but it is not the best fit if you want the most relaxed daily-driver setup.

Blind-spot monitoring with Safe Exit Assist is standard on LXS and above.

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

This looks like a moderate, selective buyer’s market, so you can shop carefully and still find worthwhile listings.

• Deal availability: 31.0% of listings are priced as good or great deals.
• Inventory: There are 1,498 listings available.
• Price trend: Prices have softened 6.49% compared with last year.
• Clean inventory: 70.4% of listings are accident-free.

If you find a listing below $18,510.48, 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 $18,865 sits slightly below last year's $20,174.

That price movement suggests the K5 has become more attractive to used buyers, which can help support demand if you decide to sell later. A softer market today can also mean your own purchase price is more favorable, even if it may limit short-term appreciation.

Because the model still has strong appeal on style, value, and ownership satisfaction, it should remain reasonably marketable when maintained well. 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 is too new to be rated by NHTSA or IIHS.

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

The K5 comes with a strong standard safety package that includes forward emergency braking with pedestrian detection, lane-keep assist, and a driver attention monitor. Rear side airbags and a driver’s knee airbag are standard on every trim, which is a notable advantage. Blind-spot monitoring with Safe Exit Assist is standard on LXS and above, while Cyclist detection and Junction Turning are reserved for the GT-Line Premium package. Rear emergency braking and parking sensors are added on EX and above.

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:

• 31.0% of listings are priced as good or great deals.
• At 70.4% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
• Price trend: Prices have softened 6.49% compared with last year.
• Owners rate it 4.73/5 — a strong satisfaction signal.
• It replaces the Optima with a stylish, performance-focused redesign.

Consider the 2022 if:

• At $20,603, the 2022 costs more than the current year's $18,865 average.
• It adds redesigned emblems and a new Premium package with more features.

The bottom line: If you want the better value today, the 2021 is the smarter buy because prices are softer and inventory is healthy. If you can spend more for a newer example with added features, the 2022 is the better path for buyers who want a slightly more polished feature set.

These recommendations are based on CarGurus' proprietary market data from August 21, 2026, CarGurus experts' opinions, and generative AI.