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Hyundai · Compact · 2015–2020 Custom Search

Hyundai Elantra AD

Weaknesses, engine ratings and buying advice

★★★★★
1.7 / 5.0 · Based on 3 engine variants · How we rate
Most Fun Engine

152 PS

Elantra · Benzin

Gets the job done, period

Decent
Problem Engine

177–186 PS

1.6L T-GDI (Gamma II) Benzin

8 weaknesses

Stay Away!

Generations

Engine Overview

The Hyundai Elantra AD is available with one engine variant at 150 hp.

2.0L MPI (Nu) · Petrol· 152 PS
2015 2020

Modern NA with dual CVVT. Reliable and adequately strong for compact SUVs — no drama, no surprises.

  • !! Timing Chain Stretch and Jumping from 120,000 km

    The timing chain stretches noticeably earlier under high-rpm use. The chain rarely breaks outright, but jumps frequently, causing valve-to-piston contact. With gentle driving, 300,000 km service life is possible.

    Symptoms: Rattling on cold start, later also when warm; sudden engine damage from a jumped chain without warning.
    600–1,400 $
    Ad G4NA timing chain kitNu 2.0 timing chainG4NA G4NB timing chain
  • !! Cylinder Bore Scoring from Catalytic Converter Disintegration from 150,000 km

    A failing catalytic converter destroys itself through fuel ingress. Ceramic particles are drawn into the combustion chambers and cause cylinder bore scoring, leading to complete engine failure.

    Symptoms: Knocking, progressive oil consumption, power loss, blue exhaust clouds; engine seizure in the final stage.
    4,000–9,000 $
    Ad G4NA engine rebuildNu 2.0 cylinder liner
  • !! Recall: Cylinder Bore Scuffing (Piston Rings) from 60,000 km

    Hyundai recalled Nu engines (including G4NA) because inconsistent heat treatment of the oil scraper rings resulted in excessive hardness. The rings fragment and score cylinder bore surfaces. Result: extreme oil consumption, engine knock, bearing failure.

    Symptoms: Oil pressure warning light, engine knock, engine stall, sudden power loss
    0–0 $
    Ad G4NA recallNu 2.0 cylinder scuffing recall

+ 5 more engine weaknesses + vehicle weaknesses

Vehicle Weaknesses

WeaknessCost
!DCT dual clutch transmission: judder on shifting

7-speed DCT shows juddering on upshifts and downshifts, especially at low speeds and on pull-away. Known Hyundai-wide DCT issue with this design.

Symptoms: Noticeable judder on gear change; delayed shifting especially 1–2 gear; uncomfortable pull-away in city traffic
from 60,000 km
Ad DCT clutch lining Elantra ADdual clutch transmission 7AT Hyundai
 High
NHTSA Owner Complaints
Below average
2,002 complaints · 2015–2020
  1. 01 Engine
    810 ⚠ 12
  2. 02 Other
    323 ⚠ 15
  3. 03 Electrical
    249 ⚠ 11
  4. 04 Body Structure
    184 ⚠ 5
  5. 05 Powertrain
    179 ⚠ 4

Top Reported Issues

⚠ Engine (810 complaints)
⚠ Other (323 complaints)
⚠ Electrical (249 complaints)
Source: NHTSA (nhtsa.gov) · 2026-04

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Known Problems and Issues +

A total of 40 weaknesses have been documented for the Hyundai Elantra AD (2015–2020) — 21 engine-related and 19 vehicle-related. 2 problem engines: G4FJ (1.6L T-GDI (Gamma II)), G4NA (2.0L MPI (Nu)). Typical issues affect Gearbox, Suspension, Electronics, Rust.

Elantra (G4NB, 2011–2016) — Be Careful: Timing Chain Stretch, Oil Consumption from Cylinder Bore Ovality, Connecting Rod Bearings: Wear from Oil Starvation. Power: 150 PS.

Elantra (G4FJ, 2014–2016) — Stay Away!: Fuel contamination of engine oil, Turbocharger oil coking, LSPI: pre-ignition at low rpm. Power: 204 PS.

Elantra (G4NA, 2015–2020) — Stay Away!: Timing Chain Stretch and Jumping, Cylinder Bore Scoring from Catalytic Converter Disintegration, Recall: Cylinder Bore Scuffing (Piston Rings). Power: 152 PS.

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

Frequently Asked Questions

What problems and weaknesses does the Hyundai Elantra AD have? +
The Hyundai Elantra AD has 21 known engine weaknesses and 19 vehicle weaknesses.
What should I look for when buying a used Hyundai Elantra AD? +
faq.watch_a_avoid
Which engine is recommended? +
Be careful: G4NB (1.8L (Nu)). No engine is rated 'Good Choice'. The most fun to drive is the G4NA (2.0L MPI (Nu)). Problem engine: G4FJ (1.6L T-GDI (Gamma II)) — stay away!
Which Hyundai Elantra AD engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Hyundai Elantra AD — rated: "Decent". {description} The Elantra is reliable and practical. Not a sports car, not trying to be.
Is the Hyundai Elantra AD worth buying used? +
Caution is advised with the Hyundai Elantra AD — 2 of 3 engine variants are rated 'Stay Away!'. The engine choice is crucial.
What horsepower variants are available for the Hyundai Elantra AD? +
The Hyundai Elantra AD is available with engine variants from 150 to 186 hp. Petrol: G4FJ (1.6L T-GDI (Gamma II)), G4NB (1.8L (Nu)), G4NA (2.0L MPI (Nu)).

Last updated: February 2026 · All information without guarantee