Sixth generation (AD) · AD · 2017–2020

2018Hyundai Elantra


A more conservative, refined Elantra; the Elantra GT hatchback continued before being dropped in 2020 as Hyundai expanded its SUV range. US model years 2017–2020.

Sixth generation (AD) · AD

2018 Hyundai Elantra — SE sedan, front three-quarter view

Photo: “2018 Hyundai Elantra SE, front left” by MercurySable99 / Wikimedia Commons, licensed under CC BY-SA 4.0. Cropped to 16:9.

Start here

What do you need to know?

This page covers the whole 2018 Hyundai Elantra model year. Choose your task first; exact trims and engines are separated where the factory offered different versions.

Complete, source-verified lineup

Find your exact 2018 Elantra

Start with a family, body style, or engine. Every card opens the facts and maintenance information for that factory version.

12factory configurations
Verified complete for the U.S.-marketHow this lineup was verified

We checked this U.S.-market lineup against period sources for factory trim, body, engine, and transmission combinations represented by the cited exact-year lineup records. Every version shown below has its own detail page.

Verified 2026-09-01 from Hyundai Motor America — 2018 Elantra model-year changes and GT product overview, Hyundai Motor America — 2017 Elantra Sport powertrain announcement.

12versions shown
Four-door sedan

Elantra Sedan SE Manual

Body
Four-door sedan
Engine
2.0L Nu Atkinson-cycle inline-four (147 hp)
Gearbox
6-speed Manual
Built
Regular production
Open exact version
Four-door sedan

Elantra Sedan SE Automatic

Body
Four-door sedan
Engine
2.0L Nu Atkinson-cycle inline-four (147 hp)
Gearbox
6-speed SHIFTRONIC Automatic
Built
Regular production
Open exact version
Four-door sedan

Elantra Sedan SEL Automatic

Body
Four-door sedan
Engine
2.0L Nu Atkinson-cycle inline-four (147 hp)
Gearbox
6-speed SHIFTRONIC Automatic
Built
Regular production
Open exact version
Four-door sedan

Elantra Sedan Value Edition Automatic

Body
Four-door sedan
Engine
2.0L Nu Atkinson-cycle inline-four (147 hp)
Gearbox
6-speed SHIFTRONIC Automatic
Built
Regular production
Open exact version
Four-door sedan

Elantra Sedan Limited Automatic

Body
Four-door sedan
Engine
2.0L Nu Atkinson-cycle inline-four (147 hp)
Gearbox
6-speed SHIFTRONIC Automatic
Built
Regular production
Open exact version
Four-door sedan

Elantra Sedan Eco Automatic

Body
Four-door sedan
Engine
1.4L turbocharged GDI inline-four (128 hp)
Gearbox
7-speed EcoShift dual-clutch automatic
Built
Regular production
Open exact version
Four-door sport sedan

Elantra Sedan Sport Manual

Body
Four-door sport sedan
Engine
1.6L turbocharged GDI inline-four (201 hp)
Gearbox
6-speed Manual
Built
Regular production
Open exact version
Four-door sport sedan

Elantra Sedan Sport Automatic

Body
Four-door sport sedan
Engine
1.6L turbocharged GDI inline-four (201 hp)
Gearbox
7-speed dual-clutch automatic
Built
Regular production
Open exact version
Five-door hatchback

Elantra GT Manual

Body
Five-door hatchback
Engine
2.0L GDI inline-four
Gearbox
6-speed Manual
Built
Regular production
Open exact version
Five-door hatchback

Elantra GT Automatic

Body
Five-door hatchback
Engine
2.0L GDI inline-four
Gearbox
6-speed SHIFTRONIC Automatic
Built
Regular production
Open exact version
Five-door performance hatchback

Elantra GT Sport Manual

Body
Five-door performance hatchback
Engine
1.6L turbocharged GDI inline-four (201 hp)
Gearbox
6-speed Manual
Built
Regular production
Open exact version
Five-door performance hatchback

Elantra GT Sport Automatic

Body
Five-door performance hatchback
Engine
1.6L turbocharged GDI inline-four (201 hp)
Gearbox
7-speed dual-clutch automatic
Built
Regular production
Open exact version

The 2018 model year

Overview

Hyundai Motor America's exact-year archive documents 12 2018 Elantra configuration rows across 4 body and trim combinations. This AD roster keeps body, engine, and transmission applicability explicit rather than copying a neighboring model year.

Specifications

Engines
  • 2.0L Nu Atkinson-cycle inline-four (147 hp)
  • 1.4L turbocharged GDI inline-four (128 hp)
  • 1.6L turbocharged GDI inline-four (201 hp)
  • 2.0L GDI inline-four
Transmissions
6-speed Manual, 6-speed SHIFTRONIC Automatic, 7-speed EcoShift dual-clutch automatic, 7-speed dual-clutch automatic
Body styles
Four-door sedan, Four-door sport sedan, Five-door hatchback, Five-door performance hatchback

Year over year

What changed

  • The 2018 research boundary includes only the trims, bodies, engines, and transmissions supported by Hyundai's model-year record; equipment packages are not promoted into unsupported models.

Worth knowing

Notable

  • The documented lineup exposes 12 source-backed combinations while preserving the distinction between a configuration roster and every standalone factory option.

Living with it

Reliability & ownership notes

  • Confirm the VIN, engine, transmission, emissions label, and installed equipment before ordering service parts. On older cars, inspect corrosion, timing-drive history where applicable, cooling-system condition, suspension wear, and evidence of deferred fluid service.

Maintenance & service parts

Keep your 2018 Elantra on the road

Start with the service interval, then match the engine or exact version you own. Order links appear only when a catalog-backed part number is available, and every listing still needs a fitment check.

Service desk

What this car needs & when

Use this as a service-planning checklist for 2018 Hyundai Elantra. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.

Service topics
5
Factory intervals
4
Fitment-scoped
5
Exact references
1

Before orderingIdentify your engine, options and build date.Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.

  • Engine oil and filter

    Sourced interval available

    Applies to: 2018 · 2.0L GDI inline-four · United States · This schedule is scoped to the naturally aspirated 2.0L Elantra GT; sedan and 1.6L turbo requirements are not claimed.

    Published interval: 7,500 mi / 12 months · Normal usage; whichever comes first.

    Source: Hyundai USA — 2018 Elantra GT Quick Reference Guide · Scheduled Maintenance (Normal Usage) table · checked

  • Engine air-cleaner filter

    Sourced interval available

    Applies to: 2018 · 2.0L GDI inline-four · United States · This schedule is scoped to the naturally aspirated 2.0L Elantra GT; sedan and 1.6L turbo requirements are not claimed.

    Published interval: 22,500 mi / 36 months · Normal-usage replacement interval; inspect at intervening rows.

    Source: Hyundai USA — 2018 Elantra GT Quick Reference Guide · Scheduled Maintenance (Normal Usage) table · checked

  • Spark plugs

    Sourced interval available

    Applies to: 2018 · 2.0L GDI inline-four · United States · This schedule is scoped to the naturally aspirated 2.0L Elantra GT; sedan and 1.6L turbo requirements are not claimed.

    Published interval: 97,500 mi · Normal-usage replacement interval.

    Source: Hyundai USA — 2018 Elantra GT Quick Reference Guide · Scheduled Maintenance (Normal Usage) table · checked

  • Engine coolant

    Sourced interval available

    Applies to: 2018 · 2.0L GDI inline-four · United States · This schedule is scoped to the naturally aspirated 2.0L Elantra GT; sedan and 1.6L turbo requirements are not claimed.

    Published interval: 120,000 mi / 120 months · First replacement; every 30,000 miles or 24 months thereafter.

    Source: Hyundai USA — 2018 Elantra GT Quick Reference Guide · Scheduled Maintenance (Normal Usage) table · checked

  • Oil filter

    Exact reference available

    Elantra sedan cataloged engines

    Catalog fitment only; it does not establish or replace Hyundai's service interval.

    Applies to: 2018 · 1.4L turbocharged GDI inline-four, 1.6L turbocharged GDI inline-four, 2.0L Nu Atkinson-cycle inline-four · Sedan · United States

    Source: K&N — Hyundai Elantra replacement oil-filter catalog · 2018 Hyundai Elantra 1.4L, 1.6L, and 2.0L L4 Gas rows — HP-1004 · checked

    Verified ordering references

    Elantra GT cataloged engines

    Catalog fitment only; it does not establish or replace Hyundai's service interval.

    Applies to: 2018 · 1.6L turbocharged GDI inline-four, 2.0L GDI inline-four · GT · United States

    Source: K&N — Hyundai Elantra GT replacement oil-filter catalog · 2018 Hyundai Elantra GT 1.6L and 2.0L L4 Gas rows — HP-1004 · checked

    Verified ordering references

Collect

Bring this model year home

Find a scale model using the exact year, make, and model—not a generic generation search.

Sources

  1. Hyundai Motor America — 2018 Elantra model-year changes and GT product overview
  2. Hyundai Motor America — 2017 Elantra Sport powertrain announcement

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