1999 Alfa Romeo 166 3.0L Petrol · V6 NUV
1999 Alfa Romeo 166 (3.0L, petrol). First registered 10 Sept 1999. Recorded mileage 195,178 miles. MOT valid until 24 Nov 2026.
- Make & Model
- ALFA ROMEO 166
- Year / Origin
- 1999 · Worcester
- Safety Recall
- Unknown
- MOT Status
- Valid until 24 Nov 2026
- Road Tax
- —
- Recorded Mileage
- 195,178 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 3.0L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
V6 NUV Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 25/11/2025
- 195,178 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
Derived directly from the recorded DVSA and DVLA data shown on this page.
V6 NUV 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 1999 Alfa Romeo 166 (V6 NUV) between November 2022 and November 2025.
The record contains 4 passes and 1 failure.
The most recent test on 25 November 2025 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
V6 NUV Mileage History
- 14/11/2022186,600 mi
- 25/11/2022186,619 mi+19 mi
- 13/11/2023191,491 mi+4,872 mi
- 23/11/2024194,038 mi+2,547 mi
- 25/11/2025195,178 mi+1,140 mi
Average of roughly 2,830 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Alfa Romeo Alfa Romeo 166
Our database tracks 3 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
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.
Common Problems: ALFA ROMEO 166
Known issues reported by owners and MOT testers.
- V6 Water Pump Plastic Impeller Failure and Overheating(Serious)
The factory water pump on the 24V Busso V6 engines (2.5, 3.0, and 3.2) features a composite plastic impeller. Over time and thermal cycles, the plastic becomes brittle, developing hairline cracks until it spins loosely on the metal drive shaft. Coolant circulation ceases, causing rapid engine overheating, blown head gaskets, or warped aluminium heads. Specialists fit metal-impeller pumps with cambelt services.
- Integrated Control System (ICS) and Heater Matrix Leaks(Moderate)
The dashboard centre console contains the Integrated Control System (ICS) screen governing climate, audio, and trip functions. Directly above the main electrical modules sits the cabin heater matrix. Ageing plastic matrix end tanks crack, leaking hot ethylene glycol coolant directly into the wiring looms and ECUs. This leads to flickering ICS displays, battery drain, and screen locking if code cards are missing.
- Front Upper and Lower Suspension Wishbone Bush Wear(Moderate)
The heavy executive saloon chassis and front-wheel drive place high loads on the double-wishbone front suspension. In the UK, road salt and potholed tarmac deteriorate the upper wishbone rubber bushes and lower arm rear compliance bushes. This generates loud squeaking over road bumps, steering vagueness, and rapid scrub on the inside shoulders of front tyres.
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ALFA ROMEO 166 Model Intelligence & Reliability
Verified MOT failure trends, buying advice, and technical directory specifications.
Owner-reported defects, recurring MOT failure points, and estimated repair costs.
Browse production generations, registration statistics, and trim variants.
Historical MOT pass rates and DVLA records for 1999 model year cars.
- V6 Water Pump Plastic Impeller Failure and OverheatingSerious
The factory water pump on the 24V Busso V6 engines (2.5, 3.0, and 3.2) features a composite plastic impeller. Over time and thermal cycles, the plastic becomes brittle, developing hairline cracks until it spins loosely on the metal drive shaft. Coolant circulation ceases, causing rapid engine overheating, blown head gaskets, or warped aluminium heads. Specialists fit metal-impeller pumps with cambelt services.
- Integrated Control System (ICS) and Heater Matrix LeaksModerate
The dashboard centre console contains the Integrated Control System (ICS) screen governing climate, audio, and trip functions. Directly above the main electrical modules sits the cabin heater matrix. Ageing plastic matrix end tanks crack, leaking hot ethylene glycol coolant directly into the wiring looms and ECUs. This leads to flickering ICS displays, battery drain, and screen locking if code cards are missing.
- Front Upper and Lower Suspension Wishbone Bush WearModerate
The heavy executive saloon chassis and front-wheel drive place high loads on the double-wishbone front suspension. In the UK, road salt and potholed tarmac deteriorate the upper wishbone rubber bushes and lower arm rear compliance bushes. This generates loud squeaking over road bumps, steering vagueness, and rapid scrub on the inside shoulders of front tyres.
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