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MOT reliability

Alfa romeo 166

2,963 vehicles · 30,629 completed MOT tests analysed
65%
MOT pass rate

Based on 2,963 Alfa romeo 166 vehicles and 30,629 completed MOT tests, the Alfa romeo 166 has an overall 65% pass rate, with an average recorded mileage of 109,820 miles.

2,963
Vehicles
30,629
MOT tests
7,470
Avg miles / year
2.5
Faults per test
0%
Dangerous-fault share

Alfa romeo 166 problem areas

Where faults occur most across all Alfa romeo 166 MOT tests:

  • Other98%
  • Brakes6%
  • Tyres, wheels & suspension5%
  • Seatbelts & equipment5%
  • Emissions & nuisance4%
  • Lamps & electrical1%
  • Body & structure1%
  • Steering1%

Alfa romeo 166 pass rate by age

How the Alfa romeo 166's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
24100%
353578%
41,00774%
51,87070%
62,93967%
73,82765%
83,70463%
93,27962%
102,81162%
112,27761%
121,77362%
131,34563%
141,08261%
1584661%
1666666%
1754766%
1846268%
1939370%
2033968%

Fuel types: Petrol (2,930), Diesel (18), LPG (15)

Most common Alfa romeo 166 MOT faults

These are the faults and advisories recorded most often across Alfa romeo 166 MOT tests:

  1. Parking brake: efficiency below requirements (3.7.B.7) (2,346 times)
  2. Offside Front Tyre worn close to the legal limit (4.1.E.1) (1,494 times)
  3. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (1,476 times)
  4. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (1,149 times)
  5. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (1,049 times)
  6. Nearside Front position lamp(s) not working (1.1.A.3b) (916 times)
  7. Offside Front position lamp(s) not working (1.1.A.3b) (894 times)
  8. Nearside Front Brake pipe slightly corroded (3.6.B.2c) (714 times)
  9. Rear Exhaust has part of the system slightly deteriorated (7.1.1a) (634 times)
  10. Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1) (624 times)
  11. Oil leak (624 times)
  12. Offside rear parking brake recording little or no effort (3.7.B.6a) (576 times)
  13. Exhaust has part of the system slightly deteriorated (7.1.1a) (567 times)
  14. Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1) (566 times)
  15. Nearside Headlamp aim too low (1.8) (558 times)

Alfa romeo 166 pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2013 1 2 50% 191,876
2010 1 3 67% 29,738
2008 8 142 59% 105,121
2007 8 135 67% 93,864
2006 3 37 68% 93,263
2005 109 1,927 69% 114,409
2004 113 1,801 69% 112,290
2003 160 2,160 68% 96,419
2002 255 3,266 67% 107,153
2001 565 5,998 64% 113,617
2000 804 7,669 64% 109,356
1999 910 7,299 62% 110,665
1998 25 186 62% 98,864
1995 1 4 75% 119,325

Alfa romeo 166 reliability FAQ

Across 2,963 Alfa romeo 166 vehicles in our MOT data, 65% pass the MOT (a 35% failure rate), with about 2.5 faults or advisories recorded per test.

The most frequently recorded Alfa romeo 166 MOT issues are: Parking brake: efficiency below requirements (3.7.B.7); Offside Front Tyre worn close to the legal limit (4.1.E.1); Nearside Front Tyre worn close to the legal limit (4.1.E.1).

The typical Alfa romeo 166 in our data has covered around 109,820 miles.

Compare the Alfa romeo 166

See how the Alfa romeo 166 stacks up against other Alfa romeo models on MOT reliability:

166 vs 156 166 vs Giulietta 166 vs 147 166 vs Mito

Check a specific Alfa romeo 166

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

See all Alfa romeo models · Learn about common MOT failures · what an MOT checks