Hattiesburg, MS · Dean McCrary Kia Service Center

2025 Kia K4 Service Intervals

From 7,500 miles out to 150,000, here’s the full care plan for a K4 running either the 2.0L MPI or the 1.6L turbo GT-Line. Each row lays out exactly what’s due at that visit, marking repeat work apart from first-time milestones.

Recurring — due again at this interval New service — first time due at this milestone
Mileage Every Visit Filters Fluids Engine
Oil & Filter Tire Rotation Multi-Point Insp. Cabin Air Filter Engine Air Filter Brake Fluid Spark Plugs Engine Coolant
7,500
15,000
22,500
30,000
37,500
45,000
52,500
60,000
67,500
75,000
82,500
90,000
97,500
105,000
112,500
120,000
127,500
135,000
142,500
150,000

Full 2025 Kia K4 Service Timeline

7,500 miles — the first oil & filter swap, first tire rotation, first multi-point inspection.

15,000 miles — another round of oil & filter, tire rotation, and multi-point inspection.

22,500 miles — oil & filter, tire rotation, and multi-point inspection, with the cabin air filter due for the first time.

30,000 miles — the standard oil & filter, rotation, and inspection visit.

37,500 miles — oil & filter, tire rotation, and multi-point inspection, plus a first engine air filter swap.

45,000 miles — oil & filter, tire rotation, multi-point inspection, and cabin air filter, with the first brake fluid exchange added in.

52,500 miles — oil & filter, tire rotation, and multi-point inspection.

60,000 miles — oil & filter, tire rotation, and multi-point inspection.

67,500 miles — oil & filter, tire rotation, and multi-point inspection.

75,000 miles — oil & filter, tire rotation, and multi-point inspection, alongside both cabin and engine air filters.

82,500 miles — oil & filter, tire rotation, and multi-point inspection.

90,000 miles — oil & filter, tire rotation, and multi-point inspection.

97,500 miles — oil & filter, tire rotation, multi-point inspection, cabin air filter, and brake fluid, with spark plugs coming due for the first time.

105,000 miles — oil & filter, tire rotation, multi-point inspection, and the engine air filter.

112,500 miles — oil & filter, tire rotation, and multi-point inspection.

120,000 miles — oil & filter, tire rotation, multi-point inspection, and cabin air filter, with the first engine coolant service.

127,500 miles — oil & filter, tire rotation, and multi-point inspection.

135,000 miles — oil & filter, tire rotation, and multi-point inspection.

142,500 miles — the biggest visit yet: oil & filter, tire rotation, multi-point inspection, cabin air filter, engine air filter, brake fluid, and engine coolant, all together.

150,000 miles — oil & filter, tire rotation, and multi-point inspection.

Rows in a darker shade mark the bigger milestone visits, and every interval here shifts if your driving is severe-duty. Real-world timing on the K4 drifts a bit from the neat 7,500-mile grid: figure closer to 8,000 miles or 12 months between oil changes (5,000 miles if you’re towing, idling a lot, or driving mostly dusty roads); the cabin filter is really a ~24-month part swapped in around 24,000 miles; the engine air filter follows roughly a 36-month rhythm near 36,000 miles; brake fluid gets exchanged at the 48,000-mile/48-month mark; the 2.0L MPI’s spark plugs stretch to 96,000 miles (turbo GT-Line figure still unconfirmed — ask your advisor); and coolant is serviced first at 120,000 miles, then every 24,000 after that. Your Owner’s Manual or a Dean McCrary Kia Hattiesburg technician can confirm specifics for your K4.

Handled Every 8,000 Miles

  • Full synthetic 5W-30 oil & filter swap for either the 2.0L MPI or 1.6L turbo GT-Line
  • Tire rotation with balance check
  • Full multi-point inspection
  • Top-off of fluids and a leak check
  • Battery and brake condition review

Bigger Milestones Ahead

  • Around 22.5k miles — cabin air filter, roughly every 24 months
  • Around 37.5k miles — engine air filter, roughly every 36 months
  • At 48k — brake fluid exchange
  • At 96k — spark plugs for the 2.0L MPI
  • At 120k — engine coolant, repeating every 24k after

Keeping It Running Long-Term

  • Hold out for genuine Kia parts and factory-approved fluids
  • Pair every oil change with a tire rotation
  • Get brakes checked ahead of any long trip
  • Staying on schedule with our Hattiesburg crew keeps factory warranty in force
  • We’ll pull open recalls for you at each visit

2025 K4 Maintenance FAQs

How Often Should I Change the Oil on a 2025 Kia K4?

Under normal conditions, Kia calls for an oil and filter change on the 2025 K4 every 8,000 miles or 12 months, running full synthetic oil regardless of whether you’ve got the 2.0L MPI or the 1.6L turbo GT-Line. That window tightens for severe-duty driving — short hops, dusty backroads, lots of idling, or regular towing — where 4,000 to 5,000 miles between changes is more realistic.

Does the 2025 Kia K4 Require Synthetic Oil?

Yes — full synthetic SAE 5W-30 is the call for both the 2.0L MPI and the 1.6L turbo GT-Line. It's what keeps the direct-injection system (and the GT-Line's turbo) protected, and it stands up to the muggy, sticky-hot stretches of a Pine Belt summer far better than conventional oil.

When Should I Replace the Spark Plugs on a 2025 K4?

For the 2.0L MPI, plan on new spark plugs at 96,000 miles under normal use. Kia hasn’t locked in an official number yet for the 1.6L turbo GT-Line — expect it to land sooner than the MPI's figure — so have your service advisor pin down the right interval for your particular engine.

Does Following This Schedule Protect My Factory Warranty Coverage?

It does. factory warranty remains active provided you keep up with factory-recommended service on time and the records show it. Book with our team and each visit gets logged for you automatically.

Ready to Schedule Your Next Service?

Genuine Kia parts, factory-trained hands, and a logged record of every visit for your factory warranty file — that’s the standard our Hattiesburg team works to. Give us a call at or reserve your slot online in a couple of minutes. We’re right on US-98 in Hattiesburg, an easy trip whether you’re coming from Petal, Oak Grove, Purvis, or anywhere else across the Pine Belt.