KIA OPTIMA (2012)
Running costs, reliability data, and common problems from 1,452 real MOT tests.
Annual Cost
£1,857
£155/month
MOT Pass Rate
74%
Average
Road Tax
£265
Based on CC/year
Insurance
Grp 18-32
1685cc Diesel
Check Carefully
74% pass rate, £1857/year to run. 8 points below average.
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Annual Running Costs
~48 mpg
Based on 1685cc
Higher estimate due to low pass rate
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Average reliability. Expect some repairs as it ages. That's 8 points below the national average of 82%. It falls below the KIA brand average of 86%.
At 14 years old, 74% of KIA OPTIMAs from 2012 passed their MOT first time in 2026. That's based on 1,452 tests across the UK. The average mileage at this age is 100,410 miles.
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How Does It Compare?
Mileage Analysis
100,410
Average miles
103,600
Expected for age
The average 2012 KIA OPTIMA has 100,410 miles on the clock, which is in line with the expected 103,600 miles for a 14-year-old car, suggesting normal everyday use.
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Best Year to Buy?
The most reliable year is the 2020 model with a 91% MOT pass rate, while the 2012 model has the lowest at 74%. Consider a different year if reliability is a priority.
KIA OPTIMA by Year
Similar Cars to Consider
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About the 2012 KIA OPTIMA
The 2012 KIA OPTIMA is a family car with a 1685cc diesel engine. 1,452 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. It sits in the bottom 84% of 2012 cars for MOT pass rates.
With an average of 100,410 miles at 14 years old, KIA OPTIMA owners drive about as much as the UK average.
2012 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 2012 KIA OPTIMA?
Total estimated annual running cost is £1,857 (£155/month), broken down as £1037 fuel, £265 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 74% 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 2012 KIA OPTIMA
At 14 years old, the KIA OPTIMA is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age.
Common Issues to Watch For
Based on the 2012 KIA OPTIMA's fuel type, age, and engine size, these are the most likely problem areas to check.
DPF (Diesel Particulate Filter)
Watch outShort journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.
Turbo Wear
Watch outDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
EGR Valve
Watch outExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
Rust and Corrosion
Watch outAt 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.
Suspension Bushings
Watch outRubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.
Clutch Wear
Watch outWith an average of 100k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.
Brake Discs and Pads
Medium riskHigh-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2012 KIA OPTIMA stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| KIA OPTIMA(2012) | 74% | £1037 | £265 | Grp 18-32 | £1857 |
| FORD FIESTA(2013) | 77% | £905 | £30 | Grp 8-20 | £1490-£367 |
| VOLKSWAGEN GOLF(2014) | 87% | £905 | £135 | Grp 12-25 | £1445-£412 |
| VAUXHALL ASTRA(2013) | 79% | £1037 | £135 | Grp 18-32 | £1727-£130 |
| VOLKSWAGEN POLO(2014) | 80% | £905 | £30 | Grp 5-15 | £1340-£517 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
Related Kia Models
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VOLKSWAGEN GOLF
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