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Suzuki Gz 125 K8 Reliability, MOT Pass Rate & Common Faults

Free Suzuki Gz 125 K8 car check

Is the Suzuki Gz 125 K8 reliable? We analysed 1,374 real MOT tests across 159 vehicles to find out.

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Data last updated: · Based on 1,374 real MOT tests
MOT Pass Rate
74.8%
Typical Mileage
9,002mi
Annual Mileage
973mi/yr
Est. Lifespan
19yrs

The Suzuki Gz 125 K8 is about average for reliability based on real UK MOT data. Common problems include brake pad(s) less than 1.5 mm thick, tyre tread depth is below minimum requirements of 1.0mm and stop lamp remains on when the brake is released. Here's everything you need to know before buying a used Suzuki Gz 125 K8.

Suzuki Gz 125 K8 Number Plates

Number plates registered to a Suzuki Gz 125 K8. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Suzuki Gz 125 K8 MOT Pass Rate by Year

How likely is a Suzuki Gz 125 K8 to pass its MOT? Here's the pass rate for each registration year, newest first.

71.9%
2009
74.7%
2008
77.3%
2007

Suzuki Gz 125 K8 Problems — What Goes Wrong?

The most common reasons a Suzuki Gz 125 K8 fails its MOT, ranked by how often they occur. Check for these problems before you buy.

Brake pad(s) less than 1.5 mm thick 39
Tyre tread depth is below minimum requirements of 1.0mm 35
Stop lamp remains on when the brake is released 28
Drive chain excessively loose 28
Stop lamp does not illuminate immediately a brake applies 28
Drive chain worn to excess 16
Roller brake test indicates a binding brake 15
shock absorber seal failed and leaking oil 15

Suzuki Gz 125 K8 Common Faults & Problems

These are the most common serious faults found on Suzuki Gz 125 K8 models during MOT testing — flagged as dangerous or major failures that need immediate attention.

Tyre tread depth is below minimum requirements of 1.0mm 14

Suzuki Gz 125 K8 Mileage — What's Normal?

How many miles does a typical Suzuki Gz 125 K8 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
237 mi/yr
Typical
973 mi/yr
Average
1,738 mi/yr
Heavy usage
2,290 mi/yr

Suzuki Gz 125 K8 MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Suzuki Gz 125 K8 year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
2009 221 71.9% 4,959 8,826 13,331
2008 995 74.7% 4,702 8,636 16,057
2007 119 77.3% 8,200 12,468 18,764

How Long Does a Suzuki Gz 125 K8 Last?

Based on 159 Suzuki Gz 125 K8 vehicles on UK roads.

Average
10.6 years
Median
10.0 years
Estimated max lifespan
19 years

Suzuki Gz 125 K8 Mileage Distribution

Total mileage recorded across all Suzuki Gz 125 K8 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
9,002 mi
75th Percentile
16,090 mi
95th Percentile
28,072 mi
Max Recorded
130,904 mi

Best Year to Buy a Used Suzuki Gz 125 K8

Based on MOT pass rates across all registration years with sufficient test data.

Best year
2007

77.3% MOT pass rate from 119 tests

Year to avoid
2009

71.9% MOT pass rate from 221 tests

The best year to buy a used Suzuki Gz 125 K8 is 2007, which has the highest MOT pass rate at 77.3% across 119 tests. The 2009 model year has the lowest pass rate at 71.9% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Suzuki Gz 125 K8 Compare?

MOT pass rates compared to similar models. Click any model for the full breakdown.

Model Pass Rate Tests Typical Mileage Lifespan
Suzuki Gz 125 K8 THIS CAR 74.8% 1,374 9,002 mi 19 yrs
Suzuki Swift 76.1% 2,247,517 51,601 mi 31 yrs
Suzuki Alto 74% 1,154,186 41,167 mi 28 yrs
Suzuki Grand Vitara 76.2% 1,025,634 67,542 mi 28 yrs
Honda Cb 600 Fa-a 90.7% 1,076 13,298 mi 16 yrs

Compared to the Suzuki Swift (76.1% pass rate) and the Suzuki Alto (74.0% pass rate), the Suzuki Gz 125 K8 sits in the middle of the pack on MOT reliability.

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Should you buy a used Suzuki Gz 125 K8?

The Suzuki Gz 125 K8 has an overall MOT pass rate of 74.8% across 1,374 real MOT tests — roughly in line with the UK average.

The most common problems on the Suzuki Gz 125 K8 are brake pad(s) less than 1.5 mm thick (39 recorded failures), tyre tread depth is below minimum requirements of 1.0mm (35), and stop lamp remains on when the brake is released (28). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.

On the safety side, the most frequently flagged dangerous fault is tyre tread depth is below minimum requirements of 1.0mm. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Suzuki Gz 125 K8 with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.

A typical Suzuki Gz 125 K8 owner drives around 973 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.

In terms of longevity, most Suzuki Gz 125 K8 models stay on UK roads for around 19 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.

Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.

Suzuki Gz 125 K8 — Frequently Asked Questions

Is the Suzuki Gz 125 K8 reliable?
Based on 1,374 MOT tests, the Suzuki Gz 125 K8 has a 74.8% pass rate — about average for UK cars.
What are the common problems on a Suzuki Gz 125 K8?
The most common MOT failures are brake pad(s) less than 1.5 mm thick, tyre tread depth is below minimum requirements of 1.0mm, and stop lamp remains on when the brake is released. Check these on any test drive.
How many miles does a Suzuki Gz 125 K8 do per year?
The typical Suzuki Gz 125 K8 does around 973 miles per year. Anything significantly above or below this is worth investigating.
How long does a Suzuki Gz 125 K8 last?
Most Suzuki Gz 125 K8 models stay on UK roads for around 19 years based on our analysis of 159 vehicles.
Should I get a vehicle check before buying a Suzuki Gz 125 K8?
Yes. An MOT pass rate tells you about the model in general, but a vehicle history check reveals the specific car's finance, stolen, write-off and mileage history — things the seller may not disclose.
What is the best year to buy a Suzuki Gz 125 K8?
Based on MOT pass rates, the best year to buy a used Suzuki Gz 125 K8 is 2007 with a 77.3% pass rate across 119 tests.