MG

MG Zs (2006)

311 real MOT outcomes analysed • 71.9% first-time pass rate

2006 MG Zs

CarHunch analysed 311 real MOT records for the 2006 MG Zs. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

Moderate sample. 311 vehicles on record. Figures are indicative — the specific vehicle's history matters more than these averages.

The 2006 MG ZS is a notably unreliable proposition, with a first-time MOT pass rate of 71.6%—well below the UK average of 80%—and a concerning 30.6% of vehicles having suffered dangerous defects at some point. This combination suggests structural or safety issues that go beyond routine wear, making it a risky buy unless you're prepared for significant repair costs.

At an average mileage of 56,820 miles for a vehicle of this age, these cars are showing their years, and the statistics back that up: owners are dealing with an average of nearly four failures and nearly 17 advisories per test. Before committing to a 2006 ZS, get a full pre-purchase inspection from an independent specialist, particularly focusing on braking, suspension, and electrical systems—the likely culprits behind those high failure rates.

The 2006 MG Zs has a below-average first-time pass rate (71.9% vs ~80% UK average) — check the specific vehicle's full MOT history carefully before buying.

⚠️ Over 1 in 5 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.
First-time pass
71.9%
UK average ~80%
Below average
Dangerous (ever)
30.6%
At least once in MOT history
Check this vehicle
Avg failures / car
3.93
Over 13.4 tests on record
High
Typical mileage
52k
Middle half: 40k–64k
For context
⚠️ Below average. More vehicles in this cohort fail their first MOT than typical. Scrutinise this vehicle's history — look for recurring issues, not just the latest result.
🔧 Expect consumable spend. An average of 16.8 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.
🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 311 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Buyer beware — pass it on

What tends to go wrong

Across 311 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Tyre wear 73.9%
Nearside Front Tyre worn close to the legal limit · Offside Front Tyre worn close to the legal limit · Nearside Rear Tyre worn close to the legal limit · …
Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.
Brake wear 32.3%
Front Brake pad(s) wearing thin · Parking brake: efficiency below requirements · Front brake disc worn, pitted or scored, but not seriously weakened
Ask the seller when brakes were last serviced. If they don't know, factor in the cost.
Other issues 25.1%
Oil leak · Child seat fitted not allowing full inspection of adult belt · Horn not working
Lighting 18.9%
Offside Stop lamp not working · Supplementary Restraint System warning lamp indicates a fault · Nearside Stop lamp not working
Usually cheap to fix. Worth confirming all lights work before collecting.

Data covers a 3-year window centred on 2006.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 311 MG Zs cars.

UK

Before you buy a 2006 MG Zs

Based on MOT data from 311 vehicles — here's what to check.

  • 📋 Check the full MOT history. 30.6% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
    Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
  • 🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection ClickMechanic
  • 📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History carVertical Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Petrol (90%) 280 72.2% 3.84

Colour Breakdown

Based on 38,683 MG Zs vehicles registered in the UK — across all years. From DVLA registration records.

Blue 26.7%
10,339
Red 16.9%
6,551
Silver 13%
5,028
White 11.9%
4,615
Grey 11.6%
4,470
Black 10.4%
4,019
Green 5.1%
1,962
Orange 2.5%
951
Yellow 1.9%
737
Turquoise 0%
6
Purple 0%
5

Mileage Distribution

Most 2006 MG Zs vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

52,408
typical
40,356
low mileage
63,813
high mileage

Half of all 2006 MG Zs vehicles fall between 40,356 and 63,813 miles.

Is the mileage you're seeing normal?
Under 40,356 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.
40,356–63,813 miles — normal for age. This is where most 2006 MG Zss sit.
Over 86,147 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2006 MG Zs — Still on the Road

Numbers are thinning — 16% of 2006 MG Zss are still active.

Numbers are declining — 41 vehicles still getting MOTs in 2025 (16% of peak).

258 41 2014 2025

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.

MOT History Averages

13.4
Avg MOT tests per vehicle
3.93
Avg failures per vehicle
16.8
Avg advisories per vehicle
Other model years — MG Zs: All Zs years → Which year to buy? →
2001 2002 2003 2004 2005 2017 2018 2019 2020

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Compare with another model

See how the 2006 MG Zs stacks up against a rival.

Buyer beware — pass it on