The Good
The 2021 KIA K5 offers a compelling blend of advantages. Its bold, modern design and powerful GT performance appeal to emotional desires for style and excitement. Practical buyers appreciate its comfortable, spacious interior, available all-wheel-drive, strong fuel efficiency, and excellent value, especially given Kia's generous warranty and abundant standard features for the price.
The Bad
Known weaknesses for the 2021 KIA K5 include a somewhat underpowered base 1.6L engine for some drivers, and the potential for noticeable road noise at highway speeds. Some interior materials, particularly on lower trims, can feel less premium than rivals. Also, the sloped roofline can slightly limit rear headroom for taller passengers.
2021 KIA K5: Quick Overview
Here is a summary of the 2021 KIA K5's key specifications:
- Engine Options:
- Standard 1.6-liter turbocharged inline-4 cylinder engine.
- Available 2.5-liter turbocharged inline-4 cylinder engine (exclusive to GT trim).
- Horsepower & Torque:
- 1.6L Turbo: 180 hp @ 5,500 rpm, 195 lb-ft of torque @ 1,500-4,000 rpm.
- 2.5L Turbo (GT): 290 hp @ 5,800 rpm, 311 lb-ft of torque @ 1,650-4,000 rpm.
- Transmissions:
- 8-speed automatic transmission (for 1.6L engine).
- 8-speed wet dual-clutch transmission (for 2.5L GT engine).
- Fuel Economy (EPA Estimates):
- 1.6L FWD: 29 MPG combined (27 city/37 highway).
- 1.6L AWD: 27 MPG combined (25 city/33 highway).
- 2.5L FWD (GT): 27 MPG combined (24 city/32 highway).
- 0-60 MPH Times:
- 1.6L FWD: Approximately 7.0-7.5 seconds.
- 2.5L GT FWD: Approximately 5.2-5.5 seconds, making it one of the quickest in its class.
- Towing Capacity:
- The 2021 KIA K5 is generally not rated or recommended for towing.
- Key Trim-Level Features:
- LX: Standard 8-inch touchscreen with wireless Apple CarPlay & Android Auto, LED headlights, rearview camera, remote start, and forward collision avoidance assist.
- LXS: Adds Smart Key with push-button start, blind-spot collision-avoidance assist, rear cross-traffic collision-avoidance assist, and a 60/40 split-folding rear seat. Available AWD.
- GT-Line: Sportier exterior styling with unique bumpers, grille, and 18-inch alloy wheels, LED fog lights, sport front seats, flat-bottom leather-wrapped steering wheel, and optional AWD.
- EX: Focuses on comfort and premium features, including a panoramic sunroof, heated and ventilated front seats, leatherette seating surfaces, wood-like interior trim, and a 10.25-inch touchscreen with navigation.
- GT: The performance flagship, featuring the more powerful 2.5L turbo engine, 8-speed DCT, sport-tuned suspension, larger brakes, unique GT badging, 19-inch alloy wheels, and a quad-tip exhaust.
2021 KIA K5 Specifications
Vehicle Information
| Year | 2021 |
| Make | KIA |
| Model | K5 |
| Trim | - |
| Style | - |
| Type | Sedan |
| Category | Minicompact Car |
Manufacturing Details
| Made In | United States |
| Manufacturing City | - |
Dimensions
| Doors | 4-Door |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | 5 |
Engine & Performance
| Engine | T-GDI GAMMA II |
| Engine Size | 1.6L |
| Engine Cylinders | 4 |
| Transmission | 8-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 8-Speed |
| Drivetrain | Front-Wheel Drive |
Additional Features
| Anti-Brake System | Standard |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
Vehicle History Report
Specifications
History
Events
History Check
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Listings
Recalls
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Analysis
What Problems Does the 2021 KIA K5 Have?
The 2021 KIA K5, while generally a reliable vehicle, has seen some frequently reported problems and recalls that potential owners should be aware of. One notable area of concern has been the transmission, with some owners reporting occasional clunky shifts, hesitation, or rough engagement, particularly with the 8-speed automatic paired with the 1.6L engine and the dual-clutch transmission in the GT trim. While not universally experienced, these reports highlight areas for attention.
Infotainment system glitches are also common in many modern vehicles, and the K5 is no exception. Owners have reported instances of freezing screens, intermittent connectivity issues with wireless Apple CarPlay and Android Auto, or delayed responses to touch inputs. Software updates often address these. Furthermore, some drivers have noted instances of blind-spot monitoring sensors issuing false alarms or experiencing intermittent operation.
More significantly, the 2021 K5 has been subject to several important recalls:
- Fuel Pump Assembly Issues: Multiple recalls (NHTSA ID 21V-258, 21V-562) have addressed potential fuel pump failures that could lead to engine stalling while driving. This was a critical issue affecting many Kia and Hyundai vehicles during this period.
- Front Seat Belt Pretensioner Recall: (NHTSA ID 22V-763) This recall involved the potential for front seat belt pretensioners to explode upon deployment during a crash, possibly sending metal fragments into the passenger compartment, posing a serious safety risk.
- High-Pressure Fuel Pump (HPFP) Leak: (NHTSA ID 23V-133) Specifically affecting certain vehicles equipped with the 2.5L turbo engine, this recall concerned a potential high-pressure fuel pump leak, which could increase the risk of a fire.
Long-term reliability for Kia vehicles has significantly improved over the years, and the K5 benefits from Kia's robust powertrain warranty. However, potential owners should ensure all outstanding recalls have been performed by a dealership before purchase. While direct injection engines like those in the K5 can be susceptible to carbon buildup over prolonged periods, it's too early to see widespread reports for the 2021 K5 specifically, but diligent maintenance remains crucial.
How long will the 2021 KIA K5 last?
What Technology & Safety Features are Included?
The 2021 KIA K5 arrived well-equipped with a comprehensive suite of built-in technology, entertainment, and safety features, making it a compelling choice in its segment. For entertainment, all K5 models come standard with an 8-inch touchscreen infotainment system that includes wireless Apple CarPlay and Android Auto integration, a significant convenience. Optional on higher trims is a larger 10.25-inch touchscreen display, which features built-in navigation, although, interestingly, it requires a wired connection for Apple CarPlay and Android Auto. Other tech amenities include available multi-device Bluetooth connectivity, a crisp 12-speaker Bose premium audio system, an available wireless phone charger, and an optional digital gauge cluster for a modern cockpit feel.
Kia's commitment to safety is evident through its extensive "Drive Wise" suite of driver-assistance features. Standard across all trims are Forward Collision-Avoidance Assist (FCA) with Pedestrian Detection, Lane Keeping Assist (LKA), Lane Following Assist (LFA), Driver Attention Warning (DAW), High Beam Assist (HBA), and Rear Occupant Alert (ROA). Moving up the trims, or via optional packages, more advanced features become available. These include Blind-Spot Collision-Avoidance Assist (BCA), Rear Cross-Traffic Collision-Avoidance Assist (RCCA), Safe Exit Assist (SEA) to warn occupants of approaching traffic when opening doors, and Smart Cruise Control with Stop & Go (SCC) for effortless highway driving. Higher trims can also gain Highway Driving Assist (HDA), Parking Distance Warning – Rear (PDW-R), and Navigation-based Smart Cruise Control (NSCC) which can adjust speed based on upcoming curves. The K5's robust structure and nine standard airbags further enhance occupant protection.
Regarding crash-test ratings, the 2021 KIA K5 performed exceptionally well. The Insurance Institute for Highway Safety (IIHS) awarded it a "Top Safety Pick+" rating – the highest possible – for models equipped with specific acceptable or good-rated headlights. The National Highway Traffic Safety Administration (NHTSA) also bestowed a perfect 5-star overall safety rating upon the K5, underscoring its strong safety credentials.
What Colors Options are Available?
In the meantime, feel free to explore the other sections for more content.
2021 KIA K5 Prices and Market Value
2021 KIA K5 Cost of Ownership
2021 KIA K5 Fuel Efficiency
2021 KIA K5 Safety Rating
NHTSA
2021 KIA K5 Insurance
reasonable repair costs.
How Does the 2021 KIA K5 Compare to Other Sedan?
The 2021 KIA K5 competes fiercely in the crowded mid-size sedan segment, stacking up against stalwarts like the Honda Accord, Toyota Camry, and its platform-mate, the Hyundai Sonata. In terms of performance, the K5 holds a distinct edge with its available all-wheel-drive system – a rarity in this class, offered by neither the Accord nor the Camry. The K5 GT, with its potent 290-hp 2.5L turbo engine and sub-5.5-second 0-60 mph time, easily outmuscles the Accord 2.0T and the Camry V6 in raw acceleration, offering a genuinely sporty driving experience. The base 1.6L engine is competitive with rivals' base offerings but won't win any drag races. The Accord, however, often leads in overall driving dynamics and chassis refinement.
Regarding features, the K5 consistently offers exceptional value. It often provides more standard technology, such as wireless Apple CarPlay and Android Auto on its base 8-inch screen, and a comprehensive suite of driver-assistance features at a lower price point compared to similarly equipped Accord or Camry models. The K5's interior design also feels more modern and upscale than many rivals, especially in higher trims, though the Camry and Accord offer slightly more premium interior materials on their top trims.
Reliability is where the K5 faces its toughest challenge against the segment leaders. While Kia's overall reliability has significantly improved, the K5's recalls (fuel pump, seatbelt pretensioners) are notable. The Toyota Camry and Honda Accord traditionally set the benchmark for long-term reliability and lower reported issues. However, Kia's outstanding 10-year/100,000-mile powertrain warranty provides significant peace of mind that often surpasses competitors' offerings.
From a price perspective, the K5 typically undercuts its Japanese rivals when comparing trims with similar feature sets. Its aggressive styling, available AWD, and powerful GT model offer a compelling package that's hard to match at its price point.
Recommended Alternatives:
- For unassailable reliability and strong resale value, the Toyota Camry is an excellent choice, especially its hybrid variants for efficiency or V6 for power.
- For superior driving dynamics and a balanced package of reliability and features, the Honda Accord remains a top contender.
- If you appreciate the K5's mechanicals but prefer different styling, the Hyundai Sonata offers a very similar proposition, sharing engines and platforms.
The K5 stands out as a stylish, feature-packed, and performance-capable option, particularly for those prioritizing modern design and available all-wheel drive, but buyers should consider the Accord or Camry if ultimate proven reliability is their sole priority.
Final Verdict: Is the 2021 KIA K5 a Good Sedan?
Eugene S
Eugene is an automotive enthusiast with over 15 years of experience in the used car market. As a writer at VINCheck.info, he brings deep industry insight and a passion for cars, helping readers make smart, informed decisions. Eugene has written hundreds of used car reviews and is known for breaking down complex automotive topics into clear, actionable advice. Over the years, he has driven and worked on a wide range of vehicles—starting with tuning street cars in his early days and eventually focusing on performance upgrades and reliability improvements. Today, he specializes in evaluating used vehicles through the lens of real-world ownership and enthusiast needs. A longtime fan of Porsche, Eugene especially appreciates vehicles that blend durability with driving enjoyment.