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ST18 YCS

2018 Seat Mii

White Petrol 999cc
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MOT Status

Valid
Expires29 Oct 2026
Tests7 (6 pass, 1 fail)
Pass rate85.7%

Mileage

49,682 mi
Last recorded49,682 miles
Recorded on30 Oct 2025
Typical for 2018 Seat Mii24,933 mi

Significantly above average — investigate

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

RegistrationST18 YCS
MakeSeat
ModelMii
Year2018
ColourWhite
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 1 fail
Pass 30 Oct 2025 49,682 miles

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

Tyre slightly damaged/cracking or perishing all tyres 175/65/14 (5.2.3 (d) (ii))

Fail 21 Oct 2025 49,673 miles

Nearside Front Suspension arm pin or bush excessively worn rear bush separated (5.3.4 (a) (i))

Offside Front Suspension arm pin or bush excessively worn rear bush separated (5.3.4 (a) (i))

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

Tyre slightly damaged/cracking or perishing all tyres 175/65/14 (5.2.3 (d) (ii))

Pass 8 Mar 2025 45,601 miles
Pass 25 Feb 2024 37,440 miles
Pass 11 Mar 2023 25,268 miles
Pass 21 Mar 2022 21,306 miles
Pass 4 Jun 2021 17,184 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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ST18 YCS is a 2018 Seat Mii in White with a 999cc petrol engine. This vehicle has been through 7 MOT tests with a personal pass rate of 85.7%.

Across all 2018 Seat Mii models, the average MOT pass rate is 86.9% with a typical mileage of 24,933 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 8 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 ST18 YCS?

You can check the full history of ST18 YCS by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was ST18 YCS registered?

ST18 YCS is a 2018 Seat Mii, first registered on 3 July 2018.

Is ST18 YCS safe to buy?

The MOT history for ST18 YCS shows 7 tests with a 85.7% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does ST18 YCS 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 ST18 YCS. 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.