2018 Alfa Romeo Stelvio 2.1L Diesel · NX18 UNY
2018 Alfa Romeo Stelvio (2.1L, diesel). First registered 11 Jun 2018. Recorded mileage 99,997 miles. MOT valid until 19 Jul 2027.
- Make & Model
- ALFA ROMEO STELVIO
- Year / Origin
- 2018 · Stockton-on-Tees
- Safety Recall
- Unknown
- MOT Status
- Valid until 19 Jul 2027
- Road Tax
- —
- Recorded Mileage
- 99,997 mi
- ULEZ Compliance
- ULEZ Compliant (Euro 6 Diesel)
- Fuel & Engine
- Diesel · 2.1L
- Reliability Guide
- Common Faults
NX18 UNY Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 16/07/2026
- 99,997 miles recorded at latest MOT
- 1 historical MOT failure
- 2 defects noted at the latest MOT
- Recurring tyres items (3 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
MOT Roadworthiness: Good
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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Known faults for Alfa Romeo Alfa Romeo Stelvio
Our database tracks 4 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
NX18 UNY Mileage History
- 01/07/202365,747 mi
- 16/07/202479,478 mi+13,731 mi
- 17/07/202479,480 mi+2 mi
- 10/07/202589,994 mi+10,514 mi
- 16/07/202699,997 mi+10,003 mi
Average of roughly 11,260 miles per year across 5 recorded odometer readings.
NX18 UNY MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 2018 Alfa Romeo Stelvio (NX18 UNY) between July 2023 and July 2026.
The record contains 4 passes and 1 failure.
The most recent test on 16 July 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Tyres (3 issues), Lighting (2 issues), Windscreen (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 5 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Windscreen washer not working (3.5 (a))”.
Common Problems: ALFA ROMEO STELVIO
Known issues reported by owners and MOT testers.
- Relay Failure & Random Limp Mode(Serious)
A bank of six micro-relays behind the front-right wheel well liner is a common failure point on the Stelvio. Faulty relays (Starter/Aux Pump) lead to no-start scenarios or random limp mode. Many owners proactively swap these for updated Mopar units.
- Battery-Voltage & AGM Upgrade(Moderate)
The Stelvio is highly voltage-sensitive. The factory EFB battery is a known weak point. Upgrading to a Group Size H8 (LN5) AGM battery is a recommended fix for many "ghost" electrical warnings and start-stop issues.
- Front Suspension & Inner Tyre Wear(Moderate)
The sharp steering comes at a cost of high stress on front bushings and anti-roll bar links. Heavy diesel models are particularly prone to inner edge tyre wear if the alignment isn’t set precisely.
- AdBlue and NOx-Sensor Faults on 2.2 Diesel(Moderate)
UK diesel Stelvios can suffer from SCR and NOx-sensor warnings, particularly if the car has done lots of short journeys or seen repeated warning resets instead of proper repairs.
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ALFA ROMEO STELVIO Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
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Historical MOT pass rates and DVLA records for 2018 model year cars.
- Relay Failure & Random Limp ModeSerious
A bank of six micro-relays behind the front-right wheel well liner is a common failure point on the Stelvio. Faulty relays (Starter/Aux Pump) lead to no-start scenarios or random limp mode. Many owners proactively swap these for updated Mopar units.
- Battery-Voltage & AGM UpgradeModerate
The Stelvio is highly voltage-sensitive. The factory EFB battery is a known weak point. Upgrading to a Group Size H8 (LN5) AGM battery is a recommended fix for many "ghost" electrical warnings and start-stop issues.
- Front Suspension & Inner Tyre WearModerate
The sharp steering comes at a cost of high stress on front bushings and anti-roll bar links. Heavy diesel models are particularly prone to inner edge tyre wear if the alignment isn’t set precisely.
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