2018 Kia K3 Sedan II Dimensions, Size & Specs

The width of the Kia K3 Sedan II ranges from 1780 mm to 1800 mm, depending on the specific model version or equipment. In imperial units, this is equivalent to approximately 70.1 inches to 70.9 inches, or roughly 5 feet 10 inches to 5 feet 11 inches wide. This width provides a stable road presence while ensuring the vehicle remains maneuverable in city traffic and narrow parking spaces.

The vehicle height of the Kia K3 Sedan II ranges between 1435 mm and 1450 mm. Converting this into imperial units gives a range from approximately 56.5 inches to 57.1 inches, or about 4 feet 8.5 inches to 4 feet 9 inches tall. This height dimension contributes to the sedan's aerodynamic profile while optimizing interior headroom for passengers.

The Kia K3 Sedan II's curb weight varies across different trims and configurations, ranging from 1230 kg to 1545 kg. In pounds, this corresponds to approximately 2712 lbs to 3407 lbs. This weight spread reflects the vehicle's construction, equipment level, and engine options, impacting factors such as fuel efficiency, acceleration, and handling characteristics.

The Kia K3 Sedan II offers a luggage capacity of 428 liters. When converted to imperial units, this capacity is approximately 15.1 cubic feet. This sizeable trunk space allows the sedan to comfortably store luggage for daily errands, groceries, or extended trips, making it a practical choice for compact sedan buyers needing decent cargo room.

The ride height, or ground clearance, of the Kia K3 Sedan II is 170 mm. In inches, this equals roughly 6.7 inches. This ground clearance offers a good balance between sporty handling and the ability to tackle minor road imperfections such as speed bumps and uneven surfaces without scraping the underbody.

Yes, the Kia K3 Sedan II fits comfortably into a standard garage. Its length, ranging between 4640 mm and 4660 mm (approximately 15 feet 3 inches), width between 1780 mm and 1800 mm (around 5 feet 10 inches to almost 6 feet), and height roughly 1435 mm to 1450 mm (4 feet 9 inches), mean it occupies typical compact sedan dimensions. Most standard garages are designed to accommodate vehicles up to approximately 6 meters (19.7 feet) in length and 2.4 meters (7.9 feet) in width, leaving ample space in both length and width for the K3 sedan with room to open doors and move around the vehicle.

Compared to its predecessor, the Kia K3 Sedan II (2018-2021) generally exhibits a slightly larger footprint, which translates to better interior space and improved comfort. The second generation's length of around 4640-4660 mm is typically longer than the first generation, enhancing rear legroom and cargo capacity. Width and height have been modestly increased or remain stable, striking a balanced upgrade without compromising maneuverability. Alongside size increases, the second generation benefits from more modern styling, enhanced safety features, and updated technology—making it a more competitive and refined vehicle in the compact sedan segment.

When compared to other compact sedans in its segment, such as the Honda Civic, Toyota Corolla, and Hyundai Elantra, the Kia K3 Sedan II stands out with competitive dimensions—its length of roughly 4640-4660 mm (15'3" to 15'4") and width around 1780-1800 mm (5'10" to 5'11") put it on par or slightly larger than many rivals. Its trunk capacity of 428 liters (15.1 cubic feet) is similarly competitive and at times superior. The K3 offers multiple rim sizes and tire configurations, including 15 to 18-inch options, allowing some customization of ride and appearance. Features such as modern infotainment and driver-assist technologies also contribute to its strong market position. Overall, the Kia K3 Sedan II provides a well-rounded blend of size, functionality, and value within the compact sedan category.

The Kia K3 Sedan II offers a variety of tire and rim sizes, including 15, 16, 17, and 18-inch rims paired with respective tire sizes such as 195/65 R15, 205/55 R16 (available in 91H and 91T variants), 225/45 R17 (91W), and 225/40 R18. These options allow buyers to choose between comfort, handling, and sporty aesthetics. Smaller rims with higher-profile tires (like 15-inch rims with 65 aspect ratio tires) tend to provide a smoother ride and better cushioning over bumps, making them ideal for everyday commuting and rough roads. Conversely, larger rims (17 or 18 inches) with lower profile tires enhance cornering performance and the vehicle's visual appeal but may result in a firmer ride. This range ensures the K3 Sedan II can cater to diverse driver preferences and road conditions.