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ST17 KGX

2017 Mazda 6

Black Diesel 2191cc
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MOT Status

Valid
Expires2 Dec 2026
Tests11 (7 pass, 4 fail)
Pass rate63.6%

Mileage

71,842 mi
Last recorded71,842 miles
Recorded on3 Dec 2025
Typical for 2017 Mazda 651,846 mi

Above average mileage for this year

4 checks still locked for this Mazda
Stolen
Finance
Write-off
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Vehicle Details

RegistrationST17 KGX
MakeMazda
Model6
Year2017
ColourBlack
Fuel typeDiesel
Engine2,191cc

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

7 pass 4 fail
Pass 3 Dec 2025 71,842 miles

Brake pipe corroded, covered in grease or other material all coated in grease (1.1.11 (c))

Front heat shield loose

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

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

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

Fail 26 Nov 2025 71,748 miles

Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))

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

Nearside Rear Brake pipe corroded, covered in grease or other material Brake pipe corroded / pitted. (1.1.11 (c))

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

Offside Rear Brake disc worn, pitted or scored, but not seriously weakened Disc pitted round circumference. (1.1.14 (a) (ii))

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

Rear Heat shield insecure.

Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Fail 17 Nov 2025 71,628 miles

Nearside Rear Coil spring fractured or broken (5.3.1 (b) (i))

Offside Rear Tyre has a bulge, caused by separation or partial failure of its structure Tyre bulging on inner side wall, 225/45/19 (5.2.3 (d) (ii)) DANGEROUS

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

Nearside Rear Brake pipe corroded, covered in grease or other material Brake pipe corroded / pitted. (1.1.11 (c))

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

Offside Rear Brake disc worn, pitted or scored, but not seriously weakened Disc pitted round circumference. (1.1.14 (a) (ii))

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

Rear Heat shield insecure.

Rear Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))

Pass 6 Nov 2024 64,390 miles

Central Rear Heat shield insecure over silencer.

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

Nearside Rear Brake pipe corroded, covered in grease or other material Brake pipe corroded / pitted. (1.1.11 (c))

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

Offside Rear Brake disc worn, pitted or scored, but not seriously weakened Disc pitted / corroded round circumference. (1.1.14 (a) (ii))

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

Fail 6 Nov 2024 64,388 miles

Exhaust emissions exceed manufacturer's specified limit (8.2.2.2 (a))

Central Rear Heat shield insecure over silencer.

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

Nearside Rear Brake pipe corroded, covered in grease or other material Brake pipe corroded / pitted. (1.1.11 (c))

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

Offside Rear Brake disc worn, pitted or scored, but not seriously weakened Disc pitted / corroded round circumference. (1.1.14 (a) (ii))

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

Rear Exhaust emits excessive smoke or vapour but not likely to obscure the vision of other road users (8.2.2.2 (c))

Pass 13 Nov 2023 55,853 miles

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

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

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

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

Pass 10 Nov 2022 45,189 miles
Pass 3 Nov 2021 35,312 miles
Pass 11 Nov 2020 27,455 miles
Pass 13 Nov 2019 18,881 miles
Fail 8 Nov 2019 18,880 miles

Rear fog lamp not working (4.5.1 (a) (ii))

Rear fog lamp switch not operating in accordance with the requirements (4.5.3 (a) (i))

How Reliable is the Mazda 6?

Based on 1,904,140 MOT tests across 159,651 vehicles.

75.4%
Pass Rate
7,713
Miles/Year
24
Year Lifespan
159,651
On UK Roads

Top MOT Failure Points

Tyre tread depth below requirements of 1.6mm 45,082
position lamp(s) not working 38,980
Brake pad(s) less than 1.5 mm thick 34,576
Registration plate lamp not working 29,515
Windscreen wiper does not clear the windscreen effectively 28,494
Full Mazda 6 reliability report

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ST17 KGX is a 2017 Mazda 6 in Black with a 2,191cc diesel engine. This vehicle has been through 11 MOT tests with a personal pass rate of 63.6%.

Across all 2017 Mazda 6 models, the average MOT pass rate is 86.0% with a typical mileage of 51,846 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 Mazda 6 fails its MOT is tyre tread depth below requirements of 1.6mm, accounting for 45,082 recorded failures. If you're considering buying ST17 KGX, it's worth having these areas checked by a mechanic before committing.

The Mazda 6 typically stays on UK roads for around 24 years. At 9 years old, this Mazda 6 is still in the earlier part of its expected life.

Frequently Asked Questions

How do I check the history of ST17 KGX?

You can check the full history of ST17 KGX by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was ST17 KGX registered?

ST17 KGX is a 2017 Mazda 6, first registered on 31 March 2017.

Is ST17 KGX safe to buy?

The MOT history for ST17 KGX shows 11 tests with a 63.6% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does ST17 KGX 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 ST17 KGX. 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.