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ST66 XFU

2017 Mazda 6

Blue Petrol 1998cc
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MOT Status

Valid
Expires21 May 2027
Tests11 (9 pass, 2 fail)
Pass rate81.8%

Mileage

298,115 mi
Last recorded298,115 miles
Recorded on22 May 2026
Typical for 2017 Mazda 651,846 mi

Significantly above average — investigate

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

RegistrationST66 XFU
MakeMazda
Model6
Year2017
ColourBlue
Fuel typePetrol
Engine1,998cc

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

9 pass 2 fail
Pass 22 May 2026 298,115 miles

Central Rear Suspension arm corroded but not seriously weakened NS and OS rear lower arms corroded (5.3.3 (b) (i))

Central Rear Tyre slightly damaged NS and OS rear tyres slight undulations along inner edge (5.2.3 (d) (ii))

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

Offside Rear Brake pipe corroded, covered in grease or other material Corroded at the end termination (1.1.11 (c))

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

Pass 3 Mar 2026 287,011 miles

Central Rear Suspension arm corroded but not seriously weakened NS and OS rear lower arms (5.3.3 (b) (i))

Offside Rear Brake pipe corroded, covered in grease or other material Brake line corroded at its end termination to the flexi (1.1.11 (c))

Fail 3 Mar 2026 287,011 miles

Central Rear Suspension arm corroded but not seriously weakened NS and OS rear lower arms (5.3.3 (b) (i))

Offside Rear Brake pipe corroded, covered in grease or other material Brake line corroded at its end termination to the flexi (1.1.11 (c))

Nearside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

Offside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))

Pass 28 Oct 2025 267,781 miles

Nearside Front Service brake fluctuating, but not excessively (1.2.1 (e))

Nearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Offside Front Service brake fluctuating, but not excessively (1.2.1 (e))

Offside Rear Brake pipe corroded, covered in grease or other material Brake pipe corroded at its end termination to the flexi (1.1.11 (c))

Offside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Fail 28 Oct 2025 267,781 miles

Nearside Front Service brake fluctuating, but not excessively (1.2.1 (e))

Nearside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

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

Offside Front Service brake fluctuating, but not excessively (1.2.1 (e))

Offside Rear Brake pipe corroded, covered in grease or other material Brake pipe corroded at its end termination to the flexi (1.1.11 (c))

Offside Rear Lower Suspension arm corroded but not seriously weakened (5.3.3 (b) (i))

Offside Rear Position lamp not working Tailgate position lamp inoperative (4.2.1 (a) (ii))

Pass 7 Oct 2024 217,875 miles

Central Front Service brake fluctuating, but not excessively NS and OS front discs slightly warped (1.2.1 (e))

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

Pass 17 Oct 2023 176,836 miles
Pass 25 Oct 2022 118,230 miles
Pass 28 Oct 2021 69,681 miles
Pass 15 Oct 2020 36,291 miles
Pass 29 Oct 2019 21,110 miles

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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ST66 XFU is a 2017 Mazda 6 in Blue with a 1,998cc petrol engine. This vehicle has been through 11 MOT tests with a personal pass rate of 81.8%.

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 ST66 XFU, 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 ST66 XFU?

You can check the full history of ST66 XFU by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was ST66 XFU registered?

ST66 XFU is a 2017 Mazda 6, first registered on 20 February 2017.

Is ST66 XFU safe to buy?

The MOT history for ST66 XFU shows 11 tests with a 81.8% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does ST66 XFU 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 ST66 XFU. 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.