Infiniti Qx30
From 391 MOT tests. Above average for its class.
Common MOT failure categories
What goes wrong?
The most common MOT failure reasons are a spring or spring component fractured or seriously weakened, a tyre cords visible or damaged and a tyre seriously damaged. The top issue, a spring or spring component fractured or seriously weakened, caused 5 failures in 2024. Checking tread depth (1.6mm legal minimum, 3mm recommended) before your test can save an unnecessary fail. You can check prices at Black Circles if you need replacements. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| a spring or spring component fractured or seriously weakened | 5 |
| a tyre cords visible or damaged | 5 |
| a tyre seriously damaged | 4 |
| a headlamp or light source missing, inoperative or more than ½ not functioning in the case of led | 4 |
| windscreen washers not working or not providing sufficient fluid to clear the windscreen | 3 |
| a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc | 3 |
| engine mil illuminated indicating a malfunction | 3 |
| a suspension joint dust cover missing or no longer prevents the ingress of dirt etc | 3 |
| wiper blade defective | 2 |
| brake lining or pad worn down to wear indicator | 1 |
How serious are these failures?
Not all MOT failures are equal. 33.3% of Qx30 failures could actually strand you: fractured springs, engine faults, exhaust problems. Another 27.3% are safety issues where the car still drives but shouldn't, such as worn brakes, corroded brake pipes, and steering wear. Breakdown cover may be worth considering for this model. When it does fail, the average repair bill is around £104.
Infiniti Qx30 on UK roads
The fleet is shrinking: 10 scrapped or exported in the past year with only 1 newly registered, a net loss of 9. At this rate, roughly 74.8 years until none remain.
Quarterly breakdown
| Quarter | On road | SORN | New | Gone | Net |
|---|---|---|---|---|---|
| 2025 Q3 | 295 | 4 | +0 | -0 | +1 |
| 2025 Q2 | 297 | 1 | +0 | -6 | -6 |
| 2025 Q1 | 302 | 2 | +0 | -0 | +5 |
| 2024 Q4 | 297 | 2 | +1 | -4 | -3 |
| 2024 Q3 | 299 | 3 | +0 | -0 | +3 |
| 2024 Q2 | 294 | 5 | +0 | -0 | +0 |
| 2024 Q1 | 294 | 5 | +0 | -0 | +2 |
| 2023 Q4 | 294 | 3 | +0 | -2 | -2 |
2 variants on the road
| Variant | Fuel | Licensed | Share |
|---|---|---|---|
| Qx30 Premium Tech D Awd S-A | Diesel | 126 | 58% |
| Qx30 Premium D Awd S-A | Diesel | 93 | 42% |
Source: DfT vehicle licensing statistics, 2025 Q3. Crown copyright, OGL v3.0.
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2017 | 89.9% | a suspension joint dust cover missing or no longer prevents the ingress of dirt etc, wiper blade defective |
Typical mileage
Half of all Qx30s tested had between 36,512 and 64,946 miles on the clock.
At 44,146 median miles, the Qx30 has 0.033 failures per 10,000 miles driven.
Other Infiniti models
| Infiniti Q30 | 85.8% |
| Infiniti Q50 | 83.5% |
Common questions
What is the Infiniti Qx30 MOT pass rate?
The Infiniti Qx30 has a 85.4% MOT pass rate based on 391 real MOT tests. This is above the national average.
What are common MOT failures on a Infiniti Qx30?
The most common MOT failure on the Infiniti Qx30 is a spring or spring component fractured or seriously weakened, which caused 5 failures. Other common issues include a tyre cords visible or damaged.
How many Infiniti Qx30s are on UK roads?
There are 295 Infiniti Qx30s currently licensed on UK roads, with 4 on SORN.
What is the typical mileage of a Infiniti Qx30 at MOT?
The median mileage at MOT for a Infiniti Qx30 is 44,146 miles. The middle 50% of vehicles tested have between 36,512 and 64,946 miles.
Buying a used Qx30?
Start with the free tools. Look up the specific vehicle's MOT history on GOV.UK The mileage at each test will show if it's been wound back, and the advisory history tells you what's wearing. Cross-reference that against the typical failures above to see if anything looks unusual for this model.
The free data won't tell you about outstanding finance, theft markers, or write-off history. For that, you need a vehicle history check This is especially important on a private sale where you have fewer legal protections.
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MOT data from DVSA anonymised test results, 2024 test year. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0. MOT pass rates are statistical summaries of test outcomes, not assessments of individual vehicle safety or condition. Always inspect a vehicle and check its full MOT history before purchasing. See terms of use.