Should I buy a 2016–2019 Kia Optima 1.7 Diesel Manual?

Explore common problems, estimated repair costs and practical checks for the 2016–2019 Kia Optima 1.7 Diesel Manual. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.

Common problems

1Moderate Likelihood

Oil or fuel leak with engine overheat / fire risk

Burning smell, diesel smell, smoke from the engine bay, fresh fluid marks under the front of the car, or a sudden warning light with loss of power.

How to check

Let it idle after the drive with the bonnet open and the climate fan off.

Estimated Repair Cost

£1,500

2Moderate Likelihood

EGR valve carbon build-up

Uneven idle, sluggish pickup, occasional smoke, and an engine light that comes and goes before staying on.

How to check

From low speed, feed in gentle throttle in second or third gear once the engine is warm.

Estimated Repair Cost

£550

3Moderate Likelihood

Suspension arm bushes and links wearing out

Knocks over broken roads, a slightly loose feel, uneven tyre wear, or a car that no longer feels tidy over bumps.

How to check

Drive over a rough side road and a few small speed humps at low speed.

Estimated Repair Cost

£487

MOT Failure Rate

0%5%10%15%20%0–20,000 miles: 16.7% (1 failed / 6 tests)20,000–40,000 miles: 0.0% (0 failed / 6 tests)40,000–60,000 miles: 8.3% (1 failed / 12 tests)60,000–80,000 miles: 16.7% (1 failed / 6 tests)80,000–100,000 miles: 0.0% (0 failed / 3 tests)100,000–120,000 miles: 0.0% (0 failed / 2 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2016–2019 Kia Optima 1.7 Diesel Manual

Kia Optima buying questions

Is a 2016–2019 Kia Optima worth buying?

It can be, but only if the individual car backs it up. For the 2016–2019 Kia Optima 1.7 Diesel Manual, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Kia Optima (2016–2019)?

The problem cards above list the model-level checks for this guide. Read them as priorities for inspection and paperwork review, not proof that every example will have those faults.

What should I check before buying a Kia Optima?

Look for evidence, not just assurances: MOT advisories, service history, repair invoices, warning lights, fluid leaks, tyre and brake condition, and how the car behaves on a proper test drive. And of course, look at your personalised Should I Buy This Car? report, outlining a full list of common issues in detail, a personalised road test, a plain-English explanation and a MotorIQ score.

A model guide is useful. A report on its registration is better.

The guide above gives you the model-level pattern. A personalised MotorIQ report checks the registration-specific record and turns it into an ownership view before you commit.

Or enter the vehicle manually