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GX66 THK

2016 Seat Mii

Yellow Petrol 999cc
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MOT Status

Valid
Expires9 Dec 2026
Tests8 (7 pass, 1 fail)
Pass rate87.5%

Mileage

78,851 mi
Last recorded78,851 miles
Recorded on29 Nov 2025
Typical for 2016 Seat Mii32,722 mi

Significantly above average — investigate

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

RegistrationGX66 THK
MakeSeat
ModelMii
Year2016
ColourYellow
Fuel typePetrol
Engine999cc

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 1 fail
Pass 29 Nov 2025 78,851 miles
Pass 30 Nov 2024 75,473 miles

Nearside Rear Tyre slightly damaged/cracking or perishing nail in tyre (5.2.3 (d) (ii))

Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Pass 8 Dec 2023 62,682 miles

Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

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

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

Vehicles internal headlight adjuster altered to recheck lights ()

Pass 8 Dec 2022 52,883 miles

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

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

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

Pass 19 Nov 2021 48,561 miles
Pass 3 Dec 2020 42,239 miles
Pass 10 Dec 2019 34,467 miles
Fail 10 Dec 2019 34,467 miles

Nearside Headlamp aim too low (4.1.2 (a))

Offside Headlamp aim too low (4.1.2 (a))

How Reliable is the Seat Mii?

Based on 178,602 MOT tests across 18,080 vehicles.

83.2%
Pass Rate
4,559
Miles/Year
14
Year Lifespan
18,080
On UK Roads
Full Seat Mii reliability report

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GX66 THK is a 2016 Seat Mii in Yellow with a 999cc petrol engine. This vehicle has been through 8 MOT tests with a personal pass rate of 87.5%.

Across all 2016 Seat Mii models, the average MOT pass rate is 83.4% with a typical mileage of 32,722 miles. This particular vehicle has performed better than the average for its year.

The Seat Mii typically stays on UK roads for around 14 years. At 10 years old, this Seat Mii is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of GX66 THK?

You can check the full history of GX66 THK by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was GX66 THK registered?

GX66 THK is a 2016 Seat Mii, first registered on 20 September 2016.

Is GX66 THK safe to buy?

The MOT history for GX66 THK shows 8 tests with a 87.5% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does GX66 THK 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 GX66 THK. 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.