Yes. In the United States and many other markets, Kia’s mid-size sedan is now branded as the K5 rather than the Optima for the latest generation, meaning the K5 is effectively the renamed Optima rather than a completely separate model.
Background: a branding shift for a familiar sedan
The Optima name has a long history in Kia’s lineup, particularly in the United States, where it helped define the brand’s mid-size segment for years. In the 2020s, Kia moved toward global branding alignment, introducing the K5 as the primary name for the latest generation of this car. For buyers and fans, the K5 represents the same core model with updated styling, technology, and powertrain choices—not a brand-new vehicle from the ground up.
Global naming strategy
The shift to K5 reflects Kia’s push to unify its model names across markets. While the latest generation in many regions bears the K5 badge, some markets historically used the Optima name for certain model years or configurations. In practice, the K5 and Optima often refer to the same generation of sedan, just labeled differently depending on where you buy it.
What changed under the hood and in features
To understand the difference a name makes, here are the broad changes that accompanied the transition from Optima to K5. The following list highlights key areas buyers commonly notice.
- Branding and naming: The current generation is marketed as the K5 in the US and many markets; Optima branding is largely retired for new models in these regions.
- Design and interior: A more coupe-like silhouette, a bolder grille, and a modernized cockpit with larger touchscreen options and upgraded materials are typical highlights of the K5 refresh.
- Powertrains and efficiency: Turb engine options and hybrid variants appear across different markets and model years, with refinements aimed at improving performance and efficiency.
- Technology and safety: Enhanced driver-assistance features, digital gauge clusters, and advanced infotainment systems (often with wireless smartphone integration) are common updates for the K5.
Before discussing the specifics, note that the K5’s rename coincides with design, tech, and powertrain updates that reflect Kia’s latest mid-size sedan direction.
In short, the rename accompanies substantive updates in styling, tech, and powertrain choices, while preserving the core Kia mid-size sedan identity you’ve known as the Optima.
Market-by-market naming status
Branding varies by region and model year. Here’s a snapshot of how the K5/Optima labeling has appeared in key markets.
- United States and Canada: The model is marketed as the K5 for the latest generation, with the Optima name no longer used on new cars in these markets.
- South Korea and many Asian markets: The K5 is the local name for the current generation, aligning with Kia’s global branding strategy.
- Europe and other regions: Historically associated with the Optima name, some markets have adopted the K5 branding for recent generations, while others retain Optima in local campaigns depending on year and dealer.
The following points summarize current naming trends, with the understanding that local dealer materials should be consulted for a specific car.
The overarching takeaway is that Kia’s modern mid-size sedan is broadly branded as K5 in many regions, including North America and Korea, but local variations can exist. Always verify the exact model name on the window sticker or with the dealer when shopping.
Summary
The K5 is not a completely new model but the updated branding for Kia’s current mid-size sedan, effectively serving as the replacement for the Optima in markets that adopted the rename. The shift reflects Kia’s global naming strategy and accompanies design, tech, and powertrain enhancements that stay true to the car’s core identity. For buyers, this means that what you see labeled as an Optima in older materials may be sold as a K5 today, depending on year and market. Always check local listings to be sure you’re getting the intended generation and equipment.
What is the Kia Optima called now?
K5
The K5 is Sporty and sophisticated, After hitting a home run with the 2020 Telluride and 2020 Soul, Kia is being aggressive in the mid-size sedan category by offering a totally redesigned 2021 Kia Optima. The Optima will be renamed the K5.
Is the Kia K5 the same as the Optima?
The Optima hasn't technically been replaced, per se. The K5 is the same model, just under a different name. There have been some improvements, however, since the name change, and we talk about those below in our Kia K5 vs.
What is the Kia K5 replacing?
The renaming of the Optima signifies Kia's departure from its run-of-the-mill midsize sedan to a sleek and powerful competitor in both the midsize and sports sedan market. The K5 blends the beauty of its previous models with the power, grace and opulence of both sport and luxury sedans.
What car replaced the Kia Optima?
The K5 was introduced in 2021 to replace the well-known Kia Optima as the brand's new midsize sedan model. Then a few years later in 2024, the K4 was introduced to replace the longstanding Kia Forte and slot into Kia's compact sedan position.