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S321 STH

2017 MG 3

Red Petrol 1498cc
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MOT Status

Valid
Expires9 Mar 2027
Tests9 (7 pass, 2 fail)
Pass rate77.8%

Mileage

21,326 mi
Last recorded21,326 miles
Recorded on23 Feb 2026
Typical for 2017 MG 332,016 mi

Below or average mileage for this year

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

RegistrationS321 STH
MakeMG
Model3
Year2017
ColourRed
Fuel typePetrol
Engine1,498cc

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 2 fail
Pass 23 Feb 2026 21,326 miles
Pass 25 Feb 2025 19,298 miles
Fail 25 Feb 2025 19,298 miles

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

Rear Service brake grabbing severely rear service brake [foot brake] grabbing (1.2.1 (c))

Rear Parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. rear handbrake showing low effort at wheels (1.4.2 (a) (i))

Pass 21 Feb 2024 17,712 miles
Pass 8 Mar 2023 16,199 miles
Fail 8 Mar 2023 16,199 miles

Nearside Rear Service brake grabbing severely (1.2.1 (c))

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

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

Pass 9 Mar 2022 15,132 miles
Pass 10 Mar 2021 13,753 miles

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

Nearside Rear Nail in tyre ()

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

Pass 13 Feb 2020 12,171 miles

Fuel filter has slight corrosion

Nearside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

How Reliable is the MG 3?

Based on 143,683 MOT tests across 20,731 vehicles.

81.1%
Pass Rate
4,878
Miles/Year
13
Year Lifespan
20,731
On UK Roads
Full MG 3 reliability report

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S321 STH is a 2017 MG 3 in Red with a 1,498cc petrol engine. This vehicle has been through 9 MOT tests with a personal pass rate of 77.8%.

Across all 2017 MG 3 models, the average MOT pass rate is 81.5% with a typical mileage of 32,016 miles. This particular vehicle has a lower pass rate than the average for its year, which may indicate maintenance issues worth investigating.

The MG 3 typically stays on UK roads for around 13 years. At 9 years old, this MG 3 is well into its expected lifespan but still has years ahead.

Frequently Asked Questions

How do I check the history of S321 STH?

You can check the full history of S321 STH by running a full vehicle check. This shows you finance, stolen, write-off, MOT history, mileage records and more.

What year was S321 STH registered?

S321 STH is a 2017 MG 3, first registered on 28 February 2017.

Is S321 STH safe to buy?

The MOT history for S321 STH shows 9 tests with a 77.8% pass rate. To check for outstanding finance, stolen markers, write-off history and mileage discrepancies, run a full vehicle check.

Does S321 STH 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 S321 STH. 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.