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Fiat · Supermini · 2007–2023

Fiat 500 312

Weaknesses, engine ratings and buying advice

3.0 / 5.0 · Based on 8 engine variants
Most Fun Engine

136–140 PS

1.4L T-Jet Turbo Benzin

Go-Kart Feeling with Sound

Fun to Drive!
Most Reliable Engine

77 PS

1.4L 8V Benzin

5 weaknesses

Good Choice
Problem Engine

80–90 PS

0.9L TwinAir Turbo Benzin

5 weaknesses

Stay Away!

Body Variants

The Fiat 500 312 is available as Schrägheck and Cabrio — choose your body type for specific insurance data:


Engine Overview

The Fiat 500 312 is available with 8 engine variants — from 60 to 140 hp.

1.3L MultiJet II · Diesel· 77–84 PS
2010 2018
Be Careful 5 weaknesses
0.9L TwinAir Turbo · Benziner· 80–86 PS
2010 2022
Stay Away! 5 weaknesses
1.2L 8V · Benziner· 69 PS
2007 2023
Be Careful 5 weaknesses
1.4L 16V · Benziner· 95–101 PS
2010 2013
Be Careful 3 weaknesses
1.4L 8V · Benziner· 77 PS
2007 2020
Good Choice 5 weaknesses
1.4L T-Jet Turbo · Benziner· 136–140 PS
2008 2023
Be Careful 8 weaknesses
1.0L FireFly Mild-Hybrid · Benziner Mild-Hybrid· 65–71 PS
2020 2023
Be Careful 4 weaknesses
1.0L FireFly Turbo · Benziner Mild-Hybrid· 65–71 PS
2020 2023
Be Careful 4 weaknesses

The Fiat 1.3L MultiJet II (Diesel, 77–84 PS) has the 199B1 (1.3L MultiJet II) — rated: "Be Careful", 5 known weaknesses.

The Fiat 0.9L TwinAir Turbo (Benziner, 80–86 PS) has the 312A2 (0.9L TwinAir Turbo) — rated: "Stay Away!", 5 known weaknesses.

The Fiat 1.2L 8V (Benziner, 69 PS) has the 169A4 (1.2L 8V) — rated: "Be Careful", 5 known weaknesses.

The Fiat 1.4L 16V (Benziner, 95–101 PS) has the 169A3 (1.4L 16V) — rated: "Be Careful", 3 known weaknesses.

The Fiat 1.4L 8V (Benziner, 77 PS) has the 350A1 (1.4L 8V) — rated: "Good Choice", 5 known weaknesses.

The Fiat 1.4L T-Jet Turbo (Benziner, 136–140 PS) has the 312A1-Abarth (1.4L T-Jet Turbo) — rated: "Be Careful", 8 known weaknesses.

The Fiat 1.0L FireFly Mild-Hybrid (Benziner Mild-Hybrid, 65–71 PS) has the GSE-T3-MH (1.0L FireFly Mild-Hybrid) — rated: "Be Careful", 4 known weaknesses.

The Fiat 1.0L FireFly Turbo (Benziner Mild-Hybrid, 65–71 PS) has the GSE-T3 (1.0L FireFly Turbo) — rated: "Be Careful", 4 known weaknesses.

Vehicle Weaknesses

WeaknessCost
!Rust Susceptibility at Sills and Wheel Arches

Sills and wheel arches on the Fiat 500 (312) rust faster than average, especially with regular winter use and road salt exposure. Paint corrosion at sill edges from as early as 5–7 years.

Symptoms: Paint bubbles along sill edges, visible rust spots on inner wheel arch panel, cavity corrosion at sill ends
from 80,000 km
Medium
Exhaust System Corrodes Early

The rear silencer on the Fiat 500 (312) rusts through within a few years, especially in short-trip use, as condensation water accumulates inside.

Symptoms: Increasingly loud exhaust noise, visible rust perforations at the rear silencer, exhaust smell inside cabin
from 60,000 km
Low
NHTSA Owner Complaints
Below Average
805 complaints · 2007–2023
Powertrain
386 ⚠ 6
Electrical
135 ⚠ 4
Engine
108 ⚠ 3
Other
89 ⚠ 6
Airbags
52 ⚠ 28

Top Reported Issues

Powertrain (386 complaints)
Electrical (135 complaints)
Engine (108 complaints)
Source: NHTSA (nhtsa.gov) · 2026-03

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Known Problems and Issues

A total of 52 weaknesses have been documented for the Fiat 500 312 (2007–2023) — 39 engine-related and 13 vehicle-related. One problem engine: 312A2 (0.9L TwinAir Turbo). Typical issues affect Rust, Suspension, Electronics, Gearbox. Considered reliable: 350A1 (1.4L 8V).

500 (199B1, 2010–2018) — Be Careful: Oil dilution from fuel contamination, High-pressure pump wear and knocking noises, Turbocharger wear with neglected maintenance. Power: 77–84 PS.

500 (169A4, 2007–2023) — Be Careful: Cylinder head gasket failed, Water pump leaking / faulty, Ignition coil failure with misfires. Power: 69 PS.

500 (312A1-Abarth, 2008–2023) — Be Careful: Timing belt: short replacement intervals must be observed, MTA gearbox: hollow pin comes loose, gear blocking, Increased oil consumption from piston ring wear. Power: 136–140 PS.

500 (312A2, 2010–2022) — Stay Away!: MultiAir unit faulty, Timing chain jumps / chain tensioner faulty, Faulty crankcase breather increases oil consumption. Power: 80–86 PS.

500 (169A3, 2010–2013) — Be Careful: Engine overheating due to cooling system failure, Electrical failures, Hydraulic lifters rattling. Power: 95–101 PS.

500 (GSE-T3, 2020–2023) — Be Careful: EGR Fault Requires Complete MultiAir Replacement, Turbocharger Lag and Premature Wear, Increased Oil Consumption Due to Piston Ring Issue. Power: 65–71 PS.

500 (GSE-T3-MH, 2020–2024) — Be Careful: Belt Drive — Observe Change Interval, Hybrid System Not Working, 12V Starter Battery Discharges Prematurely. Power: 65–71 PS.

What to watch out for with the Fiat 500? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Fiat 500 312 have? +
The Fiat 500 312 has 39 known engine weaknesses and 13 vehicle weaknesses.
What should I look for when buying a used Fiat 500 312? +
faq.watch_a_avoid faq.watch_a_rec
Which engine is recommended? +
Good choice: 350A1 (1.4L 8V). The most reliable engine is the 350A1 (1.4L 8V) with the lowest risk score. The most fun to drive is the 312A1-Abarth (1.4L T-Jet Turbo). Problem engine: 312A2 (0.9L TwinAir Turbo) — stay away!
Which Fiat 500 312 engine is the most reliable? +
The {code} ({displacement}) is the most reliable engine in the Fiat 500 312. It has the lowest risk score of all available engines and is rated "Good Choice". However, there are 5 known weaknesses to be aware of.
Which Fiat 500 312 engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Fiat 500 312 — rated: "Fun to Drive!". {description} The Abarth 500 is enormous fun — TTC torque vectoring keeps understeer in check, distinctive exhaust note even in standard trim. Authentic Abarth feeling.
Is the Fiat 500 312 worth buying used? +
The Fiat 500 312 requires careful consideration — choosing the right engine variant is crucial.
What horsepower variants are available for the Fiat 500 312? +
The Fiat 500 312 is available with engine variants from 60 to 140 hp. Petrol: 169A4 (1.2L 8V), 350A1 (1.4L 8V), 312A2 (0.9L TwinAir Turbo), GSE-T3 (1.0L FireFly Turbo), 169A3 (1.4L 16V), 312A1-Abarth (1.4L T-Jet Turbo), GSE-T3-MH (1.0L FireFly Mild-Hybrid). Diesel: 199B1 (1.3L MultiJet II).

Last updated: February 2026 · All information without guarantee