2025 Kia K4 LXS Yearlong Review: Why Does a $25,000 Car Need a $275 Oil Change?

2025 Kia K4 LXS Yearlong Review: Why Does a $25,000 Car Need a $275 Oil Change?

Turns out the hardest part of budget motoring may be keeping the dealer’s hand out of your pocket.

Inflation and astronomic fuel prices have all but the wealthiest Americans feeling the financial squeeze, which is why we added a Kia K4 to our long-term fleet—not one of the high-end models the automakers prefer we drive, but the sub-$25,000, one-up-from-the-base-model K4 LXS. We wanted to see what budget motoring looked like in 2026.

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At the moment, it’s not looking very good, because we just paid $275 for a service that amounts to little more than an oil change and a tire rotation.

I don’t mean this story to be a mere dealership rant; I’ve given you one of those already. It’s a reminder that if you’re buying an inexpensive car to save money, you must remember that purchase price is only part of the equation.

Does Kia Even Know When the K4 Needs Service?

Our service adventure started with a bit of confusion (because, really, what better way is there to start?). The K4 owner’s manual lists a service interval of 8,000 miles or 12 months but also says, “Your vehicle may be equipped with the Oil Life Management System that predicts engine oil life based on the driver’s driving history and alerts the driver to change the oil.”

Wait a minute. May be equipped? You’d think if anyone knew for sure which K4s have the OLMS system and which don’t, it’d be, y’know, the folks at Kia. You might even think such information would trickle down to whoever writes the owner’s manual. (I imagine they have an office in the basement and don’t get many visitors.)

I interpreted this section to mean that some K4s have the Oil Life Management System and some don’t, and I figured our K4, being a lowly LXS model with the base 2.0-liter engine, would be a don’t. After all, the engine doesn’t have direct injection or a turbo. Its sensibilities, like mine, are firmly rooted in the early 1990s.

You can imagine my surprise when I got a note from long-term-fleet wrangler Christian Seabaugh, who just happened to be driving the K4 when its odometer was in the 6,200-mile range.

“A message just popped up on the dash,” he said. “Your car is asking for service.” Around the same time, I got an email from the Kia app saying my 8,000-mile service was due soon. (I love the Kia app. Remember, any time you read about our Kia K4 follies, the app is blameless.)

Wait , I thought to myself. Is the car asking for an 8,000-mile service because that’s 1,750 miles away and it wants to give me a few weeks to plan? (How thoughtful.) Or is the car saying it needs service now, before 8,000 miles? (Speaking of the 1990s, this seems like it would be a great plot for a Seinfeld episode.)

I emailed our PR contact at Kia, and he had to check with the engineers. Turns out the K4—our K4, at least— does have the OLMS; that service recommendations generally come between 5,000 and 8,000 miles; and that, yes, we should schedule the car for service as soon as possible.

I think it’s worth pointing out, if I haven’t already driven the point home, that this ambiguity confused several car-savvy people, including at least one who works for Kia, and the K4’s broader appeal is to not-car-savvy people. Kia really should clarify the owner’s manual to indicate which K4s have OLMS and which, if any, don’t. Maybe Kia is confused, too.

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