CarCostCheck

KIA OPTIMA (2015)

Running costs, common problems, and reliability data based on 1,258 real MOT tests in 2024.

MOT Pass Rate

84%

Total Tests (2024)

1,258

Avg Mileage

81,466 mi

Est. Annual Cost

£1,577

Is the 2015 KIA OPTIMA reliable?

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.

At 9 years old, 84% of KIA OPTIMAs from 2015 passed their MOT first time in 2024. That's based on 1,258 tests across the UK. The average mileage at this age is 81,466 miles.

How does the 2015 KIA OPTIMA compare?

Rank among all 2015 cars347th out of 559(top 62%)
Rank among all KIA models335th out of 472(top 71%)
vs national average+2% (82% avg)
vs 2015 cars average+1% (83% avg)
vs KIA average-2% (86% avg)

Mileage Analysis

The average 2015 KIA OPTIMA has 81,466 miles on the clock, which is above the expected 66,600 miles for a 9-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.

Best year to buy a KIA OPTIMA?

The most reliable year is the 2020 model with a 91% MOT pass rate, while the 2012 model has the lowest at 74%. The 2015 sits between the two at 84%.

How much does a 2015 KIA OPTIMA cost to run?

Fuel (Diesel, 1685cc)
£1,037
🏛️Road Tax
£135
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£1,577
Per month£131/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

KIA OPTIMA by Year

YearPass RateTestsAvg Mileage
202091%24157,554 mi
201989%3,11160,554 mi
201888%4,82770,738 mi
201787%5,85379,204 mi
201687%2,18778,458 mi
201584%1,25881,466 mi
201478%1,17891,247 mi
201380%61899,105 mi
201274%1,452100,410 mi
201176%51105,766 mi

Checking a specific KIA OPTIMA?

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About the 2015 KIA OPTIMA

The 2015 KIA OPTIMA is a family car with a 1685cc diesel engine. 1,258 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2015, the average MOT pass rate is 83%, and this model beats that benchmark.

With an average of 81,466 miles at 9 years old, KIA OPTIMA owners cover more miles than the average driver.

2015 KIA OPTIMA Fuel Costs

The 1685cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.

What does it cost to own a 2015 KIA OPTIMA?

Total estimated annual running cost is £1,577 131/month), broken down as £1037 fuel, £135 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 84% pass rate. Keeping on top of servicing will help avoid surprises.

KIA OPTIMA Reliability Trend

Newer KIA OPTIMAs show better MOT pass rates than older ones, with an average improvement of 10 percentage points.

Buying a Used 2015 KIA OPTIMA

At 9 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2020 model has the highest pass rate at 91%.

Alternatives to the 2015 KIA OPTIMA

If reliability is your priority, there are 2 similar cars with a higher MOT pass rate. Here are comparable diesel cars with similar engines: