Kia K4 Dimensions & Size

How much cargo space and room does a 2026 Kia K4 really have?

The 2026 Kia K4 measures 174.4 in long, 72.8 in wide, 55.9 in tall, on a 107.1 in wheelbase, with a curb weight of about 3,014 lbs.

Looking for weight? See the Kia K4 curb weight page — this page covers length, width, height and wheelbase.

Latest model year (2026):

The Kia K4 measures 174.4 in long, 72.8 in wide and 55.9 in tall, on a 107.1 in wheelbase, weighing about 3,014 lbs.

VerifiedNHTSA Canadian Vehicle Specifications · Verified September 18, 2026

Overview MPG Engine Specs Fuel Cost Transmission Drivetrain Vehicle Class Maintenance Dimensions Curb Weight

Kia K4 Dimensions — All Years

Year	Body / Variant	Length	Width	Height	Wheelbase	Curb Weight
2026Config 1 of 2	K4 HATCH	174.4 in	72.8 in	55.9 in	107.1 in	3,014 lbs
2026Config 2 of 2	K4 4DR SEDAN	185.4 in	72.8 in	55.9 in	107.1 in	2,954 lbs
2025	K4 4DR SEDAN	185.4 in	72.8 in	55.9 in	107.1 in	2,954 lbs

Dimensions sourced from the NHTSA Canadian Vehicle Specifications database. Figures are measured per body style and can vary slightly by trim, wheel package, and suspension.

Kia K4 data analysis

How Kia K4 overall length varies

Across 3 configurations recorded for the 2025 through 2026 Kia K4, overall length runs from 174 inches to 185 inches. The strongest figure belongs to the 2025 Kia K4 (K4 4DR SEDAN) at 185 inches, and the weakest to the 2026 car (K4 HATCH) at 174 inches — a spread of 6%. The narrow spread means any year of the Kia K4 in this table behaves much like the others, so you can shop on price, condition and mileage rather than chasing a particular model year.

What changed for 2026

Average overall length for the 2026 Kia K4 is 180 inches, against 185 inches for the 2025 car — it fell by 5.5 inches. Buyers who care most about this figure should look at the earlier model years in the table above before assuming newest is best.

How to read this Kia K4 data

This page lists every 2025 through 2026 Kia K4 record we hold for this measurement — 3 rows in total, one per configuration and model year rather than a single headline figure. Figures are published as the source agency records them: we do not round, average or interpolate missing years, and a year that is absent from the table is a year with no published measurement rather than a zero. Where a manufacturer offered several drivetrains or body styles in the same year, each appears on its own row, because those variants rarely share the same numbers.

Where these Kia K4 figures come from

Every value on this page is loaded from federal open data — EPA fuel economy submissions, NHTSA vehicle and crash-test records, and manufacturer specification filings — rather than dealer listings or copied editorial content. The Kia K4 record refreshes as the agencies publish, which typically means new model-year rows appear in the autumn and crash-test results follow through the model year as vehicles are tested. Because certification data is filed per configuration, treat any single headline number for this vehicle with caution: the figure that applies to a specific car depends on its engine, drivetrain, body style and model year, all of which are listed separately above. If a number here disagrees with a brochure, the brochure is usually quoting the best available configuration rather than the one being sold.

Will the Kia K4 fit your garage and parking space?

Measured against a standard single garage door (8 ft wide, 7 ft tall, 20 ft deep stall) and a standard US surface parking space (9 ft x 18 ft). Measure your own opening before buying — older garages are frequently narrower.

Garage door width

Fits

72.8 in wide (body only, mirrors folded) — about 23.2 in of total clearance, so roughly 12 in per side.

Garage door height

Clears

55.9 in tall — 28.1 in of headroom before roof rails, antennas, or a roof box are added.

Parking space

Fits a standard stall

185.4 in long leaves 30.6 in to spare in an 18 ft space, and 35.2 in of side clearance in a 9 ft one.

Size drift: the 2026 Kia K4 is 11 in shorter than the 2025 car in our records. If you are replacing an older example with a newer one, check the garage clearance again rather than assuming the outgoing car's footprint carries over.

Its wheelbase (107.1 in) accounts for about 61% of overall length. A higher share generally means shorter overhangs — better approach and departure clearance on driveways and ramps, and more cabin space for the same parking footprint.

Want to see it against another vehicle at the same scale? Open the car size comparison tool or check the Kia K4 curb weight to pair footprint with mass.

Frequently Asked Questions About K4 Dimensions

How long is the Kia K4?

The Kia K4 is 174.409 inches long, 72.8346 inches wide and 55.9055 inches tall. That is roughly 14.5 feet — compare it with your garage depth before buying.

Will the Kia K4 fit in a standard garage?

A standard single-car garage is about 20 feet (240 in) deep and 10 feet (120 in) wide. At 174.409 in long and 72.8346 in wide, the Kia K4 fits with 66 in of room to spare front-to-back. Remember to allow for mirrors and door swing.

How much does the Kia K4 weigh?

Curb weight for the Kia K4 is about 3,014 lbs. Curb weight excludes passengers and cargo, so add roughly 150 lbs per occupant when calculating payload.