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GX66 THG

2016 Seat Mii

Red Petrol 999cc
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MOT Status

Valid
Expires16 Apr 2027
Tests10 (6 pass, 4 fail)
Pass rate60%

Mileage

66,923 mi
Last recorded66,923 miles
Recorded on16 Apr 2026
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 THG
MakeSeat
ModelMii
Year2016
ColourRed
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

6 pass 4 fail
Pass 16 Apr 2026 66,923 miles

Nearside Front Nail in tyre ()

Fail 16 Apr 2026 66,921 miles

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

Offside Rear Service brake excessively binding (1.2.1 (f))

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

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

Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))

Nearside Front Nail in tyre ()

Nearside Headlamp aim too high (4.1.2 (a))

Offside Headlamp aim too high (4.1.2 (a))

Fail 10 Apr 2026 66,916 miles

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

Offside Rear Service brake excessively binding (1.2.1 (f))

Nearside Front Nail in tyre ()

Pass 17 Apr 2025 66,632 miles

Items removed from driver's view prior to test ()

Offside Rear Service brake binding but not excessively (1.2.1 (f))

Vehicles internal headlight adjuster altered to recheck lights ()

Pass 29 May 2023 65,342 miles

Items removed from driver's view prior to test ()

Offside Rear Service brake binding but not excessively (1.2.1 (f))

Vehicles internal headlight adjuster altered to recheck lights ()

Pass 16 May 2022 63,765 miles
Fail 12 May 2022 63,763 miles

Offside Rear Service brake excessively binding (1.2.1 (f))

Offside Rear Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (5.2.3 (d) (i))

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

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

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

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

Pass 14 Jun 2021 49,055 miles

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

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

Fail 14 Jun 2021 49,048 miles

Reversing lamp inoperative (4.6.1 (a))

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

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

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

Pass 30 Aug 2019 24,378 miles

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 THG is a 2016 Seat Mii in Red with a 999cc petrol engine. This vehicle has been through 10 MOT tests with a personal pass rate of 60%.

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 a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

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 THG?

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

What year was GX66 THG registered?

GX66 THG is a 2016 Seat Mii, first registered on 15 September 2016.

Is GX66 THG safe to buy?

The MOT history for GX66 THG shows 10 tests with a 60% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does GX66 THG 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 THG. 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.