2021 Kia K5

2021 Kia K5 Highlights

The 2021 Kia K5 marks the debut of an all-new midsize sedan, replacing the outgoing Optima with a fresh design and enhanced capabilities. Built on an entirely new platform, the K5 introduces a bold fastback-inspired styling that sets it apart in the competitive midsize sedan segment. This model year brings a range of improvements, including a more rigid chassis for improved handling and ride quality, advanced powertrains, and cutting-edge technology features. The flagship GT trim showcases a potent new 2.5-liter turbocharged engine, delivering an impressive 290 horsepower and paired with an advanced eight-speed dual-clutch automatic. Competitors include the Honda Accord, Toyota Camry, Ford Fusion, Hyundai Sonata, Nissan Altima, and Mazda Mazda6.

Key Details

• Midsize sedan body style
• Seating for five passengers
• 1.6L turbocharged four-cylinder and 2.5L turbocharged four-cylinder (GT trim)
• Eight-speed automatic transmission (standard) or eight-speed dual-clutch automatic (GT trim)
• Standard front-wheel drive (FWD) or available all-wheel drive (AWD) on select trims

Benefits

• Striking exterior design with fastback-inspired styling
• Spacious and well-appointed interior
• Available all-wheel drive for improved traction
• Powerful engine options, especially in GT trim
• A comprehensive suite of standard safety features
• User-friendly infotainment system with a large touchscreen
• Competitive pricing in the midsize sedan segment

Learn More: The Kia K5 Years To Avoid

2021 Kia K5 Overview

Performance

The 2021 Kia K5 offers two engine options. The standard powerplant is a 1.6-liter turbocharged four-cylinder engine producing 180 horsepower and 195 pound-feet of torque. This engine, found in LX, LXS, GT-Line, and EX trims, provides a good balance of performance and efficiency for daily driving.

The GT trim features a new 2.5-liter turbocharged four-cylinder engine generating 290 horsepower and 311 pound-feet of torque for those seeking more exhilarating performance. This powerful engine transforms the K5 into a genuine sports sedan, capable of 0-60 mph sprints in around 5.8 seconds.

Most K5 models have an eight-speed automatic transmission. The GT trim, however, benefits from an advanced 8-speed dual-clutch automatic transmission, offering rapid gear changes for a more engaging driving experience. Front-wheel drive comes standard on most trims, with all-wheel drive available on LXS and GT-Line grades.

Safety

The National Highway Traffic Safety Administration (NHTSA) awarded the K5 a top five-star overall safety rating. Additionally, the Insurance Institute for Highway Safety (IIHS) named the 2021 K5 a "Top Safety Pick+", their highest designation.

Standard safety features across all 2021 K5 models include:

• Forward collision warning
• Automatic emergency braking with pedestrian detection
• Lane-keeping assist
• Lane-following assist
• Driver attention warning
• Rear occupant alert
• Automatic high beams

Additional available safety technologies include:

• Blind-spot monitoring
• Rear cross-traffic alert
• Adaptive cruise control
• Highway driving assist
• Safe exit assist

Driving

The 2021 Kia K5 provides a refined, engaging driving experience that balances comfort and sportiness. The new, more rigid chassis provides a solid foundation, resulting in improved handling and a smoother ride than its predecessor, the Optima.

The K5’s suspension strikes a well-judged balance between comfort and sportiness. Meanwhile, the steering is precise and well-weighted, offering good feedback and contributing to the K5's agile handling. The GT trim features a sport-tuned suspension and larger brakes, enhancing its cornering abilities and stopping power.

Interior

The 2021 Kia K5 boasts a modern interior emphasizing style, comfort, and technology. The cabin features an upscale ambiance with improved materials and build quality, rivaling some premium brands in fit and finish. Despite a sleek exterior, interior space isn’t compromised. There’s ample headroom and legroom for front and rear passengers, although second-row riders may find the sloping roofline confining.

2021 Kia K5 interior features available on select trims include:

• Synthetic or genuine leather seating surfaces
• Heated and ventilated front seats
• Heated steering wheel
• Panoramic sunroof
• 12-speaker Bose premium audio system
• Dual-zone automatic climate control

Cargo space is generous for a midsize sedan, with 16 cubic feet of trunk capacity. The 60/40 split-folding rear seats add versatility for carrying bulkier items.

Technology

The 2021 Kia K5 comes well-equipped with modern technology features. The standard infotainment system includes an 8-inch touchscreen with wireless Apple CarPlay and Android Auto integration.

Key available technology upgrades, depending on the trim, include:

• 10.25-inch touchscreen with navigation
• 12.3-inch digital instrument cluster
• Wireless phone charging
• Head-up display
• UVO link connected car services
• Remote start via key fob or smartphone app

Fuel Economy

Fuel economy ratings for the 2021 Kia K5 vary depending on the powertrain. Here are the EPA estimates:

1.6-liter turbocharged four-cylinder

• FWD (mpg): 29 city / 38 highway / 32 combined
• AWD (mpg): 26 city / 34 highway / 29 combined

2.5-liter turbocharged four-cylinder (GT trim)

• FWD (mpg): 24 city / 32 highway / 27 combined

2021 Kia K5 Reviews

2021 Kia K5 reviews are mostly positive, with an average rating of 4.1 out of 5. Owners give the K5 high marks for reliability, value, comfort, and styling.

Reasons to Buy It

• Sleek exterior with fastback-like profile
• Modern, spacious cabin with premium style
• Optional all-wheel drive
• Potent engine in the GT trim
• Standard and available advanced driver aids

Problems

• Rear headroom may be tight for taller passengers due to sloping roofline
• The dual-clutch transmission in the GT model can be jerky at low speeds
• Limited availability of certain features on lower trims
• Fuel economy in AWD and GT models may not match some competitors

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CoPilot's Take

The 2021 Kia K5 is a major advancement in the midsize sedan segment, offering an appealing blend of style, technology, and performance. The choice is also a K5 hallmark. From the efficient base trim to the high-performance GT variant, and with available all-wheel drive, there's a K5 to suit a wide range of preferences and needs.

However, potential buyers should consider some factors. While the sloping roofline contributes to the K5's attractive design, it can limit rear headroom for taller passengers. Additionally, some more advanced features are only available on higher trims, which may disappoint buyers looking for these technologies in more affordable models.

2021 Kia K5 FAQs

Is the 2021 Kia K5 a good car?

Yes, the 2021 Kia K5 is generally considered a good car. It offers an attractive combination of style, performance, and features in the midsize sedan segment. The K5 receives praise for its attractive design, comfortable and well-appointed interior, range of engine options, and comprehensive safety features. In short, this sedan offers a lot of value for the money. Reliability is the one unanswered question, as this model is still relatively new. Time will tell if the 2021 K5 continues to offer dependable transportation.

How much should I pay for a 2021 Kia K5?

According to CoPilot national listings, a 2021 Kia K5 costs $14,000 to $33,000, depending on age, condition, and equipment.

What is the engine problem on the 2021 Kia K5?

A review of data from NHTSA and carcomplaints.com shows a small number of engine-related reports. However, these complaints cover a spectrum of problems, not one specific issue that points to a particular trouble spot. The 2021 Kia K5 is still relatively new; greater insight into its engine reliability will take several more years.

Is Kia discontinuing the K5?

No, Kia continues to update and produce the K5, which sits atop the company’s sedan lineup.

What are the trims for the 2021 Kia K5?

2021 Kia K5 configurations include:

• 2021 Kia K5 LX
• 2021 Kia K5 LXS
• 2021 Kia K5 GT-Line
• 2021 Kia K5 EX
• 2021 Kia K5 GT

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