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Reliability

Are Kias reliable? Common problems, MOT data, and full history checks for used Kia vehicles.

75.2% MOT pass rate based on 918,000 tests.

Common faults and reliability ranked across 17 Kia models.

Full vehicle history checks for £9.99 with no subscription.

Kia Vehicle Check

Check any Kia's full history

  • Outstanding finance check
  • Stolen marker check
  • Write-off and salvage history
  • Full MOT history and mileage
  • Safety recall check
  • Vehicle valuation
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Are Kia cars reliable?

75.2%
MOT pass rate
vs 72.4% national average

Kia vs other premium brands

Kia vehicles pass their MOT at 75.2%, 2.8 points above the national average of 72.4% and one of the better mainstream performers. Sister-brand Skoda (76.3%) sits marginally higher, with Toyota (75.0%) and Hyundai (73.9%) close behind. Volkswagen (72.9%) matches national and Nissan (67.7%) trails.

The Kia range is anchored by the Sportage SUV, which alone accounts for 227,000 MOT tests. The Sportage passes at 75%, right at the brand average. The Picanto city car, second-highest volume at 161,000 tests, passes at 71%. The Niro hybrid at 87% is the range highlight.

Reliability data shows part of the picture. A vehicle history check reveals the rest, including outstanding finance, stolen markers, write-offs, and mileage discrepancies.

What is the Kia MOT pass rate by age?

Pass rate at each vehicle age, from 3 to 20 years old. National average shown for comparison.

Kia pass rates sit just above the national average for the first six years of a vehicle's life, then hold that lead through the middle years. At age 3, Kias pass at 88.9% vs 88.5% nationally. By age 10, Kias lead at 72.4% vs 71.9%.

From age 12 onward the pattern reverses. By age 16 the gap is 53.2% vs 58.2% nationally, and by age 20 it is 50.2% vs 57.6%. Kia sold in low volumes in the UK before the mid-2000s, so the surviving older Kias are a small and mixed-quality sample that pulls the tail of the curve down.

What are the most common Kia faults?

Top 10 MOT failure categories for Kia, ranked by frequency. National percentage shown alongside.

Top 5 specific Kia failure reasons

These are the specific MOT examiner findings most frequently recorded on Kia vehicles, along with what they mean.

  1. Not working (6.56% of Kia failures)

    A lamp, indicator, or electrical component that has completely stopped functioning. Usually a blown bulb or faulty sensor.

  2. Tread depth below requirements of 1.6mm (5.02% of Kia failures)

    One or more tyres worn below the legal minimum tread depth. The legal limit is 1.6mm across the central three-quarters of the tyre.

  3. Inoperative in the case of multiple lamps or light sources (4.49% of Kia failures)

    More than one bulb or LED in a lamp cluster has failed, so the unit no longer meets minimum brightness. Often a headlight or brake light LED strip.

  4. Less than 1.5 mm thick (4.09% of Kia failures)

    A brake pad measured below the minimum safe thickness of 1.5mm. Immediate replacement required to maintain braking performance.

  5. Ball joint excessively worn (3.81% of Kia failures)

    A suspension ball joint has developed too much play. Affects steering feel and handling; needs replacement.

Kia's failure profile has one clear tilt. Brakes account for 20.7% of failures vs 13.0% nationally, one of the highest brake failure shares of any mainstream brand and a pattern shared with sister brand Hyundai. Suspension failures at 17.0% and lamps and electrical failures at 19.5% both sit below the national averages of 20.7% and 24.6%.

Which Kia models are most reliable?

Top 15 Kia models ranked by MOT test volume. Pass rate shown for each. Green bars beat the national average of 72.4%. Red bars sit below it.

ModelTestsPass rateMost common failure
Kia Sportage227,14375.1%Brakes
Kia Picanto161,35170.6%Brakes
Kia Ceed99,47266.4%Lamps, reflectors and electrical equipment
Kia Rio85,45569.6%Lamps, reflectors and electrical equipment
Kia Niro49,26687.1%Tyres
Kia Venga41,17071.0%Lamps, reflectors and electrical equipment
Kia Sorento27,38668.8%Suspension
Kia Soul19,53768.0%Brakes
Kia Stonic16,95786.2%Brakes
Kia Niro 2 Ev12,70687.8%Tyres
Kia Carens12,28162.9%Brakes
Kia Optima9,78078.6%Brakes
Kia Niro 4 + Ev8,30787.7%Tyres
Kia Niro 3 Ev7,02386.4%Tyres
Kia Niro 4 Ev6,66688.2%Tyres

The Niro hybrid leads the popular Kia range at 87.1%. The Sportage SUV sits at 75.1%, right at national. The Venga (71.1%), Picanto (70.6%), Rio (69.6%), Sorento (68.8%), and Soul (67.9%) all sit below national. The Ceed at 66.4% and Carens at 62.9% pull the low end. Newer trim variants of the Niro pass at 88%.

How many miles do Kia vehicles typically cover?

Average recorded mileage at each MOT test, by vehicle age. National average shown for comparison.

Kia mileage tracks slightly above the national average early on and slips below from age 6 onward. At age 3, Kias average 30,000 miles vs 28,000 nationally. At age 10, Kias average 71,000 vs 80,000, and by age 20 the gap is 87,000 vs 111,000. Kia ownership skews toward lower-mileage private drivers.

Our Premium Vehicle Reports compare the recorded mileage at every MOT test to flag discrepancies. A drop in recorded mileage between two tests is a strong signal that the odometer may have been tampered with.

Are there any Kia safety recalls?

Safety recalls are issued by Kia when a manufacturing defect could affect the safety of the vehicle. The DVSA records every UK recall and links it to affected vehicle identification numbers (VINs). Recalls are free for the owner to have fixed at a franchised dealer.

Recall lists change over time as new issues are identified and old ones are resolved. For that reason we do not maintain a static list here. When you check a Kia via Brumble, the report shows any outstanding manufacturer safety recalls that still need action on that specific vehicle.

How do you check a Kia's full history?

Before you buy any used Kia, a full history check protects you from problems that a physical inspection would miss. Here is what a Premium Vehicle Report from Brumble covers.

Has this Kia been written off?

An insurance write-off means the car has been declared uneconomical to repair after an accident, fire, or flood. The report shows the category (Cat A, B, N, or S), the date, and the cause. Cat A and B are permanently unroadworthy. Cat N and S can legally return to the road but often carry hidden damage and are worth significantly less.

Is there outstanding finance on this Kia?

If the previous owner has an active HP, PCP, or loan agreement secured against the car, the finance company legally owns it until the balance is paid off. Buying a car with outstanding finance means the finance company can repossess it, even after you have paid the seller in full. The report checks with Experian for any active finance agreements.

Has this Kia been reported stolen?

The Police National Computer records stolen vehicles. The report checks the PNC for any active stolen marker. Buying a stolen vehicle means the police can seize it and return it to the rightful owner, with no compensation.

Has the mileage been tampered with?

Every MOT test records the current mileage. The report shows the full mileage history from every recorded test and flags any drops or unusually flat periods. A drop between tests is a strong signal the odometer has been clocked. A car worth £15,000 with 60,000 miles on the clock might be worth £10,000 if the true mileage is 120,000.

Has this Kia been used as a taxi or private hire vehicle?

Ex-taxis and private hire vehicles have typically covered high mileage under harder use than a private car of the same age. Insurers may view them as higher risk, and resale value is significantly lower. The report checks whether the vehicle has ever been registered as a taxi or private hire vehicle.

What is this Kia worth?

The report includes current trade, retail, and private-sale valuations based on the vehicle's make, model, trim, mileage, and condition. Use it to check whether the asking price is fair before you negotiate.

Check any Kia's full history for £9.99. No subscription.

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What should you check before buying a used Kia?

Four practical steps before you hand over any money.

  1. 1

    Check the MOT history

    Every UK vehicle has a free MOT test history showing every pass, fail, advisory, and recorded mileage. Use the Brumble MOT checker to see what previous inspections found.

  2. 2

    Check the vehicle's full history

    A Premium Vehicle Report covers outstanding finance, stolen markers, write-offs, mileage discrepancies, safety recalls, and valuation. £9.99, no subscription.

  3. 3

    Compare insurance before you commit

    Kia insurance groups vary widely by model and trim. Get a car insurance quote before you buy to avoid nasty surprises after the sale.

  4. 4

    Check the tax status

    Confirm the car is currently taxed, or you may not be able to drive it away. The Brumble tax checker shows current tax status and when tax is next due.

Kia Reliability FAQs

Kia vehicles have a 75.2% MOT pass rate based on 918,000 tests in the 2025 test year. This is 2.8 points above the national average of 72.4%. The Niro hybrid leads at 87% pass rate. The Sportage SUV, Kia's highest-volume model, passes at 75%.
The Niro hybrid leads the popular Kia range at 87.1% pass rate. The Sportage SUV sits at 75.1%, and the Venga at 71.1%. The Picanto city car passes at 70.6%. See the model comparison table above for the full ranked list.
The most common MOT failure categories for Kia vehicles are brakes (20.7% of failures), lamps and electrical equipment (19.5%), and suspension (17.0%). Brakes are much higher than the national average of 13.0%, a signature Kia pattern shared with sister brand Hyundai.
Kia parts are competitively priced and the brand offers a seven-year unlimited-mileage warranty on new cars, the longest of any mainstream brand. This warranty transfers to subsequent owners, which reduces early ownership costs for used-car buyers.
A used Kia is a strong choice, with above-average pass rates across the range and the remaining balance of the seven-year warranty on cars under seven years old. Check the vehicle's full history for outstanding finance, write-offs, stolen markers, and mileage discrepancies before committing. A vehicle history check costs £9.99 via Brumble.
A Premium Vehicle Report from Brumble checks for any HP, PCP, or loan agreements still secured against the vehicle. If finance is outstanding, the finance company legally owns the car. Reports cost £9.99 with no subscription.
A Premium Vehicle Report checks insurance write-off records and shows the write-off category (Cat A, B, N, or S), the date, and the cause. This is important because a write-off history affects the vehicle's value and insurability.
You can check any Kia's MOT history for free using the Brumble MOT checker, which shows the recorded mileage at each test. For a more detailed check, a Premium Vehicle Report compares all recorded mileage readings and flags any discrepancies.
Safety recalls are issued by the manufacturer and recorded by the DVSA. A Premium Vehicle Report from Brumble includes a check for any outstanding safety recalls that still need action on the specific vehicle you are checking.
A full vehicle history check via Brumble costs £9.99. This includes outstanding finance, stolen markers, write-offs, mileage discrepancies, MOT history, safety recalls, taxi and private hire checks, vehicle valuation, and more. There is no subscription.

Source: Brumble analysis of DVSA anonymised MOT test results, 2025 test year (published June 2026). Class 3 and 4 vehicles with 5,000+ tests per model. Published under Open Government Licence v3.0.