Most reliable Alfa: MOT failure rates ranked

Updated 05 September 2026.

10.6%

Alfa Romeo Stelvio, the most reliable Alfa

The most reliable Alfa on MOT failure rate is the Alfa Romeo Stelvio, at 10.6% failures across 20,889 tests.

Rank	Model	MOT failure rate	Tests
1	Alfa Romeo Stelvio	10.6%	20,889
2	Alfa Romeo Giulia	13.7%	46,528
3	Alfa Romeo Giulietta	21.7%	359,551
4	Alfa Romeo Mito	25.6%	354,605
5	Alfa Romeo 2000	25.6%	7,870
6	Alfa Romeo Brera	25.7%	52,574
7	Alfa Romeo Spider	28.1%	126,103
8	Alfa Romeo 159	28.8%	148,259
9	Alfa Romeo 147	31.1%	412,126
10	Alfa Romeo Gt	31.3%	118,954
11	Alfa Romeo 156	33.9%	487,745
12	Alfa Romeo Gtv	34.3%	94,306
13	Alfa Romeo 166	35.3%	30,665
14	Alfa Romeo 164	36.7%	9,172
15	Alfa Romeo 155	38.4%	13,891

Questions and answers

What is the most reliable Alfa at MOT?

The most reliable Alfa on MOT failure rate is the Alfa Romeo Stelvio, at 10.6% failures across 20,889 tests.

Which Alfa fails its MOT most often?

The Alfa Romeo 146 has the highest MOT failure rate of the Alfa range, at 39.5%.