Fault File
All models / All cars / Saloons & estates / Alfa Romeo Giulia

Alfa Romeo Giulia

All generations and engines together · 6,803 MOT tests in the 2025 data · typical mileage at age 7: 62k

First-time failure at age 7
15.3%
Across 1,800 tests. The average across all tracked models is 19.5%.
Rank at age 7
65 of 239
1 = lowest failure rate among the models tracked.
Typical mileage at age 7
62k miles
Check the mileage view below; low-mileage models can look better by age than they are.

How this model wears

Alfa Romeo GiuliaClass average, all tracked models

Known issues

Measured

Computed from DVSA MOT results, all of Great Britain, 2025. Nothing here is opinion.

What testers flag

Share of tests where each item was recorded. The dark tick is the class average across all tracked models; bars are scaled within each group.

Faults with the car itself

The rows that judge the model rather than its keeper. 4,217 tests in this band.

A suspension pin, bush or joint excessively worn
Advisory
4.9%class 6.8%
A shock absorber damaged to the extent that it does not function or showing signs of severe leakage
Advisory
3.0%class 2.3%
Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users
Advisory
1.5%class 2.0%
Brake pipe damaged or excessively corroded
Advisory
1.2%class 1.9%
Engine MIL illuminated indicating a malfunction
Fail
0.8%class 0.5%
A suspension pin, bush or joint excessively worn
Fail
0.6%class 0.3%
A wheel badly distorted or wear between wheel and hub at spigot mounting
Advisory
0.6%class 0.6%

Wear, upkeep and luck

Tyres, pads and stone chips say more about how the car was driven and maintained than about how it was built.

Tyre tread depth not in accordance with the requirements
Advisory
34.9%class 22.9%
Brake disc or drum excessively weakened, insecure or fractured
Advisory
17.3%class 10.1%
A brake lining or pad worn below 1.5mm
Advisory
9.9%class 8.7%
A tyre seriously damaged
Advisory
5.2%class 13.4%
Tyre tread depth not in accordance with the requirements
Fail
4.3%class 2.2%
The aim of a headlamp is not within limits laid down in the requirements
Fail
4.2%class 2.1%
Brake disc or drum significantly and obviously worn
Advisory
3.5%class 3.4%
A tyre cords visible or damaged
Fail
3.3%class 1.2%

Unconfirmed issues

Reported

Owner folklore from forums and the motoring press. Most of it never shows up in an MOT, which is why this section exists at all.

Electrical gremlins and body control module faults

Emerging

Owners on Honest John report intermittent electrical failures ranging from dash warning lights and window/central locking glitches to full body control module replacements, with one case logging 22 weeks off the road across 21 months for recurring faults. It is not tied to one part, which is what makes it hard to pin down and expensive to chase. No manufacturer acknowledgement or TSB has surfaced for this, it is reported as a pattern rather than a single defect.

Reported at all ages and mileages · sources: Honest John owner reviews, Giulia Forums

Front suspension clunks and knocks

Partly in the MOT data

A recurring owner complaint is a clunk or knock from the front end over speed bumps, on light braking, or turning at parking speeds. Forum diagnosis usually lands on worn upper control arm bushings, sway bar end links or strut top bearings rather than the steering rack, and some owners report replacing several parts before it goes away. This lines up with the measured MOT data, which flags suspension as this model's weak point; the folklore and the numbers point the same way, even if the exact culprit part varies case to case.

Reported from around 40-60k miles · sources: Giulia Forums, Alfa Owner forum, independent diagnostic writeups

2.0 petrol timing chain chatter

Emerging

Some 2.0-litre turbo petrol cars develop a rattly chatter from the timing chain area, particularly noticeable on start-up or at idle. Owners on Giulia Forums discuss chain tensioner wear and adjustment as the likely cause, with opinion split on whether it is cosmetic noise or a sign of a chain that needs attention. Not officially acknowledged by Alfa Romeo, and no recall exists for it.

Reported from around 30k miles up · sources: Giulia Forums ("2.0 chain chatter" thread)

ZF 8-speed automatic: jerky, shuddering shifts

Automatics only

On automatic cars, owners and gearbox specialists report harsh or delayed engagement pulling away from cold, and shuddering through the lower gears, sometimes flagged as an input speed sensor fault (P0716) that in the worst cases needs the whole mechatronic unit replacing. Reported from as early as 40-60k km by some UK gearbox repair shops. Does not apply to manual cars, which were a minority of UK sales.

Reported from 40-60k km · sources: Giulia Forums, UK gearbox repair specialists (Service4Service, Go-Parts diagnostics)

2.2 diesel DPF and EGR clogging

Diesel only

The 2.2 JTDm diesel is reported to struggle with DPF regeneration on cars used mostly for short urban trips, leading to a clogged filter, reduced power and heavier fuel use, sometimes alongside EGR-related rough idle. Motorway-heavy use largely avoids it; stop-start city driving is what triggers it. Costs vary widely depending on whether a clean, EGR service or full DPF replacement is needed.

Reported from roughly 30-50k miles on urban-driven cars · sources: owner and workshop write-ups on Alfa Romeo diesel ownership

Recalls: fuel leak sensor and headlight calibration

Confirmed pattern

Two official UK safety recalls cover Giulias built in the recall windows: a production fault in the fuel pressure/temperature sensor that could cause a fuel leak (cars built roughly September 2020 to June 2021), and uncalibrated automatic headlight position sensors falling short of the ECE R48 standard (cars built roughly November 2020 to May 2022). Both are free dealer fixes once flagged against the VIN.

Official DVSA-registered recalls · sources: DVSA recall database (via car-recalls.co.uk)

Viewing one? Ask this

Built from the two sections above.

Pull the full service history and check for repeated electrical warning lights or module replacements. Recurring dash faults with no clear fix logged is the electrical gremlin pattern, not a one-off.
Drive over a few speed bumps at low speed and do a couple of full-lock parking turns. A clunk or knock points to worn front suspension bushings or end links, the model's known weak spot.
Start the 2.0 petrol from cold and listen for a minute before moving off. A rattly chatter from the front of the engine is the reported timing chain chatter, not just cold-engine noise.
On an automatic, pull away from cold and check the first few gear changes. Harsh, delayed or shuddery engagement suggests the ZF 8-speed's known jerky-shift complaint.
On a 2.2 diesel, ask how much of its life has been short urban trips and check for DPF warning history. A city-only diesel is far more likely to have a clogged filter or EGR problem than a motorway car.
Run the VIN through the DVSA recall checker before buying. An open recall for the fuel sensor or headlight calibration should be sorted free before you hand over money.
Check the MOT history for repeated suspension advisories. The same suspension advisory appearing more than once backs up the graduated-fault pattern above.

Others in its class

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