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Alfa Romeo · Compact · 2010–2020

Alfa Romeo Giulietta 940

Weaknesses, engine ratings and buying advice

★★★★★
2.7 / 5.0 · Based on 6 engine variants
Most Fun Engine

235–241 PS

1.75L TBi Benzin

Giulietta QV — 235 hp Hot Hatch with Alfa DNA

Fun to Drive!
Problem Engine

105–120 PS

1.6L JTDm Diesel

6 weaknesses

Stay Away!

Engine Overview

The Alfa Romeo Giulietta 940 is available with 8 engine variants — from 105 to 241 hp. 2 variants had engine changes — the model year is crucial.

1.6 JTDm · Diesel· 105–120 PS Engine Change
2010 2020
Stay Away! 6 weaknesses
Show all weaknesses →
2010 2020
Stay Away! 6 weaknesses
Show all weaknesses →
2.0 JTDM · Diesel· 150–175 PS Engine Change
2010 2020
Be Careful 6 weaknesses
Show all weaknesses →
2010 2020
Be Careful 6 weaknesses
Show all weaknesses →
2016 2020
Be Careful 6 weaknesses
Show all weaknesses →
1.4 MultiAir · Benziner· 163–170 PS
2010 2020
Be Careful 8 weaknesses
Show all weaknesses →
1.4 MultiAir TCT · Benziner· 163–170 PS
2013 2020
Be Careful 8 weaknesses
Show all weaknesses →
1.4 T-Jet · Benziner· 116–120 PS
2010 2020
Be Careful 6 weaknesses
Show all weaknesses →
1.4 TB MultiAir Super · Benziner· 150 PS
2015 2018
Be Careful 7 weaknesses
Show all weaknesses →
1.75 TBi · Benziner· 235–241 PS
2010 2020
Be Careful 8 weaknesses
Show all weaknesses →
1.75 TBi QV · Benziner· 235–241 PS
2010 2020
Be Careful 8 weaknesses
Show all weaknesses →

The Alfa Romeo 1.6 JTDm (Diesel, 105–120 PS) comes with 2 different engines: 940A3000 (2010–2020, Stay Away!) und 940A3000 (2010–2020, Stay Away!). Pay attention to the model year for the 1.6 JTDm!

The Alfa Romeo 2.0 JTDM (Diesel, 150–175 PS) comes with 3 different engines: 940A4000 (2010–2020, Be Careful) und 940A4000 (2010–2020, Be Careful) und 940A4000 (2016–2020, Be Careful). Pay attention to the model year for the 2.0 JTDM!

The Alfa Romeo 1.4 MultiAir (Benziner, 163–170 PS) has the 940A2000 (1.4L MultiAir Turbo) — rated: "Be Careful", 8 known weaknesses.

The Alfa Romeo 1.4 MultiAir TCT (Benziner, 163–170 PS) has the 940A2000 (1.4L MultiAir Turbo) — rated: "Be Careful", 8 known weaknesses.

The Alfa Romeo 1.4 T-Jet (Benziner, 116–120 PS) has the 940B7000 (1.4L T-Jet) — rated: "Be Careful", 6 known weaknesses.

The Alfa Romeo 1.4 TB MultiAir Super (Benziner, 150 PS) has the 940C2000 (1.4L MultiAir Turbo 150) — rated: "Be Careful", 7 known weaknesses.

The Alfa Romeo 1.75 TBi (Benziner, 235–241 PS) has the 940A1000 (1.75L TBi) — rated: "Be Careful", 8 known weaknesses.

The Alfa Romeo 1.75 TBi QV (Benziner, 235–241 PS) has the 940A1000 (1.75L TBi) — rated: "Be Careful", 8 known weaknesses.

Vehicle Weaknesses

WeaknessCost
✖TCT dual-clutch slipping

The TCT dual-clutch on the Giulietta slips from around 70,000–100,000 km, particularly on the 175 hp diesel variant. The manufacturer regards the clutch as a wear item — no goodwill replacements. Clutch kit approximately 980 €, total cost with fitment approximately 2,400 €.

Symptoms: Revs rising without drive, slipping in 3rd and 5th gear, jerky pull-away
from 80,000 km
Ad TCT clutch GiuliettaDoppelclutch Giulietta 940
 High

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Known Problems and Issues

A total of 49 weaknesses have been documented for the Alfa Romeo Giulietta 940 (2010–2020) — 41 engine-related and 8 vehicle-related. One problem engine: 940A3000 (1.6L JTDm). Typical issues affect Gearbox, Suspension, Electronics, Interior.

Giulietta (940A3000, 2010–2020) — Stay Away!: M32 gearbox bearing failure — 5th/6th gear, Turbo failure from oil starvation, UniAir solenoid blockage. Power: 105 PS.

Giulietta (940A3000, 2010–2020) — Stay Away!: M32 gearbox bearing failure — 5th/6th gear, Turbo failure from oil starvation, UniAir solenoid blockage. Power: 114–120 PS.

Giulietta (940A4000, 2010–2020) — Be Careful: UniAir actuator blockage, Intake manifold coked by EGR, DPF blockage with short-trip driving. Power: 150 PS.

Giulietta (940A4000, 2010–2020) — Be Careful: UniAir actuator blockage, Intake manifold coked by EGR, DPF blockage with short-trip driving. Power: 163–175 PS.

Giulietta (940A4000, 2016–2020) — Be Careful: UniAir actuator blockage, Intake manifold coked by EGR, DPF blockage with short-trip driving. Power: 170–175 PS.

Giulietta (940A2000, 2010–2020) — Be Careful: MultiAir unit blocked / failed, Timing belt: short replacement interval, MultiAir Unit Failure. Power: 163–170 PS.

Giulietta (940B7000, 2010–2020) — Be Careful: Turbocharger failure / boost pressure loss, MultiAir solenoid actuator blocked, Oil consumption from valve stem seals. Power: 116–120 PS.

Giulietta (940A1000, 2010–2020) — Be Careful: Turbocharger vulnerable under high-performance use, Injectors and intake valves fouled, MultiAir micro-filter blockage. Power: 235–241 PS.

Giulietta (940C2000, 2015–2018) — Be Careful: MultiAir unit blocked / failed, Timing belt: short replacement interval, MultiAir micro-filter blocked. Power: 150 PS.

What to watch out for with the Alfa Romeo Giulietta? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Alfa Romeo Giulietta 940 have? +
The Alfa Romeo Giulietta 940 has 41 known engine weaknesses and 8 vehicle weaknesses.
What should I look for when buying a used Alfa Romeo Giulietta 940? +
faq.watch_a_avoid
Which engine is recommended? +
Be careful: 940A2000 (1.4L MultiAir Turbo), 940C2000 (1.4L MultiAir Turbo 150), 940B7000 (1.4L T-Jet), 940A1000 (1.75L TBi), 940A4000 (2.0L JTDM). No engine is rated 'Good Choice'. The most fun to drive is the 940A1000 (1.75L TBi). Problem engine: 940A3000 (1.6L JTDm) — stay away!
Which Alfa Romeo Giulietta 940 engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Alfa Romeo Giulietta 940 — rated: "Fun to Drive!". {description} The Giulietta QV is Alfa's answer to the Golf GTI and Focus ST — 235 hp from the 1,750 TBi on the front axle, without a limited-slip diff. The DNA system in Dynamic mode sharpens throttle response and steering noticeably — the engine reacts faster to the throttle pedal, turbo lag shrinks considerably. In the base setting slightly lethargic below 2,000 rpm, from 3,000 rpm the supercharger pushes hard. Front-wheel drive with 340 Nm of torque — in the wet the front axle spins up, in the dry the steering fights. Not a surgical instrument like the Golf, but with more character and emotion.
Is the Alfa Romeo Giulietta 940 worth buying used? +
Caution is advised with the Alfa Romeo Giulietta 940 — 1 of 6 engine variants are rated 'Stay Away!'. The engine choice is crucial.
What horsepower variants are available for the Alfa Romeo Giulietta 940? +
The Alfa Romeo Giulietta 940 is available with engine variants from 105 to 241 hp. Petrol: 940A2000 (1.4L MultiAir Turbo), 940C2000 (1.4L MultiAir Turbo 150), 940B7000 (1.4L T-Jet), 940A1000 (1.75L TBi). Diesel: 940A3000 (1.6L JTDm), 940A4000 (2.0L JTDM).

Last updated: February 2026 · All information without guarantee