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ST12 KNM

2012 Kia Rio

Blue Petrol 1396cc
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MOT Status

Valid
Expires28 May 2027
Tests17 (12 pass, 5 fail)
Pass rate70.6%

Mileage

83,135 mi
Last recorded83,135 miles
Recorded on29 May 2026
Typical for 2012 Kia Rio57,620 mi

Significantly above average — investigate

4 checks still locked for this Kia
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Vehicle Details

RegistrationST12 KNM
MakeKia
ModelRio
Year2012
ColourBlue
Fuel typePetrol
Engine1,396cc

All premium checks include

50+ data points
Finance Check (Experian) Insurance Write-off Salvage Auction Stolen Check Previous Owners Ex-Taxi, Police, NHS Mileage Anomaly Import / Export Scrapped Check Plate Changes

MOT History

12 pass 5 fail
Pass 29 May 2026 83,135 miles

Front Brake disc worn, pitted or scored, but not seriously weakened both (1.1.14 (a) (ii))

Rear Brake disc worn, pitted or scored, but not seriously weakened both (1.1.14 (a) (ii))

Fail 26 May 2026 83,134 miles

Rear Exhaust has a major leak of exhaust gases (6.1.2 (a))

Windscreen wiper does not clear the windscreen effectively (3.4 (b) (ii))

Front Brake disc worn, pitted or scored, but not seriously weakened both (1.1.14 (a) (ii))

Rear Brake disc worn, pitted or scored, but not seriously weakened both (1.1.14 (a) (ii))

Pass 11 Apr 2025 81,766 miles

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Front Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

Fail 11 Apr 2025 81,766 miles

Nearside Rear Parking brake inoperative on one side (1.4.1 (a))

Parking brake efficiency below requirements (1.4.2 (a) (i))

Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))

Front Vehicle structure is corroded but structural rigidity is not significantly reduced (6.1.1 (c) (i))

Items removed from driver's view prior to test

Offside Headlamp aim too low (4.1.2 (a))

Pass 9 May 2024 80,325 miles
Fail 9 May 2024 80,325 miles

Front Windscreen washer provides insufficient washer liquid (3.5 (a))

Pass 8 Jun 2023 76,005 miles

Front Exhaust has a minor leak of exhaust gases at flexi (6.1.2 (a))

Nearside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Nearside Front running light not working

Offside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Fail 7 Jun 2023 76,003 miles

Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))

Nearside Rear Parking brake inoperative on one side (1.4.1 (a))

Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))

Offside Front Position lamp not working (4.2.1 (a) (ii))

Rear Service brake excessively fluctuating (1.2.1 (e))

Service brake efficiency below requirements (1.2.2 (a) (i))

Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) DANGEROUS

Front Exhaust has a minor leak of exhaust gases at flexi (6.1.2 (a))

Nearside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Nearside Rear Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i))

Offside Front Brake pad(s) wearing thin (1.1.13 (a) (ii))

Pass 7 Jun 2022 70,581 miles

Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Pass 15 Jun 2021 64,033 miles

Front Brake pipe corroded, covered in grease or other material both side (1.1.11 (c))

Front Suspension arm ball joint dust cover severely deteriorated both side (5.3.4 (b) (i))

Front Suspension arm pin or bush worn but not resulting in excessive movement both side back bush (5.3.4 (a) (i))

Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Fail 14 Jun 2021 64,029 miles

Parking brake efficiency below requirements (1.4.2 (a) (i))

Service brake efficiency below requirements (1.2.2 (a) (i))

Front Brake pipe corroded, covered in grease or other material both side (1.1.11 (c))

Front Suspension arm ball joint dust cover severely deteriorated both side (5.3.4 (b) (i))

Front Suspension arm pin or bush worn but not resulting in excessive movement both side back bush (5.3.4 (a) (i))

Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Pass 21 May 2020 60,742 miles

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Pass 20 May 2019 54,669 miles
Pass 22 May 2018 46,207 miles

Both rear tyres cracking but there is no visible cord

Offside Front Brake pipe corroded, covered in grease or other material (1.1.11 (c))

Pass 9 May 2017 36,859 miles

Offside Front wiper torn ,cleaning the screen at the time of test

Rear Brake pad(s) wearing thin (3.5.1g)

tyre kit sealant expired

Pass 17 May 2016 25,837 miles

rear wiper torn

Rear Tyre worn close to the legal limit both sides on 1.6mm outer edges at the time of test (4.1.E.1)

Pass 4 May 2015 18,225 miles

How Reliable is the Kia Rio?

Based on 1,637,344 MOT tests across 141,212 vehicles.

76.2%
Pass Rate
5,503
Miles/Year
25
Year Lifespan
141,212
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 34,517
Windscreen wiper does not clear the windscreen effectively 20,812
Brake pipe excessively corroded 18,703
position lamp(s) not working 14,100
Registration plate lamp not working 12,829
Full Kia Rio reliability report

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ST12 KNM is a 2012 Kia Rio in Blue with a 1,396cc petrol engine. This vehicle has been through 17 MOT tests with a personal pass rate of 70.6%.

Across all 2012 Kia Rio models, the average MOT pass rate is 75.5% with a typical mileage of 57,620 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The most common reason a Kia Rio fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 34,517 recorded failures. If you're considering buying ST12 KNM, it's worth having these areas checked by a mechanic before committing.

The Kia Rio typically stays on UK roads for around 25 years. At 14 years old, this Kia Rio is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of ST12 KNM?

You can check the full history of ST12 KNM by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was ST12 KNM registered?

ST12 KNM is a 2012 Kia Rio, first registered on 24 May 2012.

Is ST12 KNM safe to buy?

The MOT history for ST12 KNM shows 17 tests with a 70.6% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does ST12 KNM have outstanding finance?

Finance checks require a premium vehicle report. This checks against all major UK finance providers to see if there is any outstanding finance on ST12 KNM. If you buy a car with outstanding finance, the finance company can repossess it.

No warranty or guarantee of accuracy is provided for any free data on this page. The data guarantee applies only to information obtained through the purchase of a full check.