HyundaiElantra GT2018Overview/hyundai/elantra-gt/2018/base/

2018 Hyundai Elantra GT

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2018 Elantra GT.

Body PASSENGER CAR

The 2018 Hyundai Elantra GT is a passenger car that takes 4.7 quarts of 5W-30 API oil. With 49 owner complaints and one recall, it sits as the lowest-complaint year in a model history covering 2013 through 2020, a span whose peak reached 1,293 complaints in 2013. The engine remains the top complaint category even at this reduced volume, a detail that frames the model year as a notable reliability inflection point for researchers tracking the nameplate.

Model year201820172016201520142013

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity4.7 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
Lug nut torque79-94 ft-lbsOEM · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses a BCI 48 · 68 O.E. AmpHrs CCA battery, OE oil filter 2630035505. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

Battery groupBCI 48 · 68 O.E. AmpHrs CCAOEM · verified
Tail / brake / turnLHOEM · verified
Tire sizeP225/45R17OEM · verified
Wheel / rim7.0: Optional: 7.5 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter2630035505

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length171.7 in
Overall width70.1 in
Overall height56.3 in
Wheelbase104.3 in
Curb weight3067 lb
Track (front / rear)61 / 61.8 in

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 4.7 qt of 5W-30 API engine oil, DOT 3 brake fluid. Torque lug nuts to 79-94 ft-lbs. The firing order is 1-3-4-2.

Lubricants & capacities

Automatic Transmission FluidGL-4
Brake FluidDOT 3
Clutch FluidDOT 3
Engine CoolantEthylene Glycol
Engine Coolant Capacity6.4
Engine Oil5W-30 · API
Engine Oil Capacity4.7 qt
Engine Oil5W-20 · API

Engine torques

Crankshaft Position (CKP) Sensor Bolt(s)5.8-8.7 ft-lbs
Camshaft Position (CMP) Sensor Bolt(s)5.8-8.7 ft-lbs
Crankshaft Position (CKP) Sensor Bolt(s)7.2-8.7 ft-lbs
Camshaft Position (CMP) Sensor Bolt(s)7.2-8.7 ft-lbs
Camshaft Sprocket and/or Gear Bolt(s)47.0-54.2 ft-lbs
Camshaft Sprocket and/or Gear Bolt(s)47.7-56.4 ft-lbs
Crankshaft Pulley and/or Damper Bolts145.0-152.0 ft-lbs
Oxygen (O2S) Sensor Bolt(s)28.9-36.2 ft-lbs

Chassis torques

Lug Nuts79-94 ft-lbs

Ignition

Cylinder Firing Order1-3-4-2
Curb Idle Speed (No Load)630 rpm
Curb Idle Speed Variance (No Load)100 rpm
Curb Idle Speed (Secondary Under Load)700 rpm
Curb Idle Speed Variance (Secondary Under Load)100 rpm
Curb Idle Speed (No Load)700 rpm
Curb Idle Speed Variance (No Load)100 rpm
Curb Idle Speed (Secondary Under Load)700 rpm

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.05-1.20 lbs
Oil GroupPAG
Oil Type46
Oil Capacity3.50-4.25 oz
Standard BCI Group Number48
Standard BCI Cranking Performance68 O.E. AmpHrs cca
Standard BCI Group Number47

Service checks

Fuel Pump Pressure Minimum290.1 High Pressure Fuel Line. psi
Fuel Pump Pressure Maximum2175.6 High Pressure Fuel Line. psi
Regulated Fuel System Pressure (With Vacuum)71.8-73.2 Low Pressure Fuel Line. psi
RPM71.8
Engine Compression178

Brakes

Brake Caliper Bolt to Carrier Torque16-23
Brake Caliper Carrier to Hub Bolt Torque58-72
Vented Rotor Minimum Thickness for ReplacementFront: .920; Rear: .331
Variation from Parallelism Thickness Variation.0002
Maximum Rotor Runout.002

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 2 stages
113.0-16.0 ft. lbs.13–16 ft. lbs
290.0
Main Bearings — tightening sequence 2 stages
113.0-16.0 ft. lbs.13–16 ft. lbs
290.0
Main Bearings — tightening sequence 3 stages
111.0 ft. lbs.11 ft. lbs
220.0-23.0 ft. lbs.20–23 ft. lbs
3120.0-125.0
Engine Valve Cover Bolts — tightening sequence 1 stages
12.9-4.3 ft. lbs., Step 2: 5.8-7.22.9–4.3 ft. lbs
Engine Valve Cover Bolts — tightening sequence 1 stages
12.9-4.3 ft. lbs., Step 2: 5.8-7.22.9–4.3 ft. lbs

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the spark plugs every 42,000 mi; coolant every 30,000 mi. The big-interval services (every 30,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

Every 6,000 miAir Conditioning System (inspect) · Air Intake System (inspect) · Battery (inspect) · Brake Line (inspect) · Brake Linings (inspect) · Brake Rotor (inspect)
Every 12,000 miAccessory Drive Belt (inspect) · Brake Hydraulic System (inspect fluid level) · Clutch Master Cylinder (inspect fluid level) · Fuel Evaporative Canister Filter (inspect) · Fuel Evaporative Emission Control System Lines (inspect) · Fuel Filter (inspect)
Every 15,000 miParking Brake System (inspect)
Every 18,000 miEngine Air Filter Element (replace)
Every 24,000 miFuel Line (inspect) · Transmission Assembly (inspect fluid level)
Every 30,000 miEngine Coolant System (drain, flush & refill)
Every 42,000 miSpark Plugs (replace)
At 60,000 miAccessory Drive Belt (inspect)
Every 60,000 miEngine Valves (inspect valve lash)

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

The 2018 Hyundai Elantra GT represents a significant low point in consumer complaints for this generation, which saw peaks of 1,293 in 2013 and 732 in 2017. With only 49 complaints and one recall, the 2018 model is substantially more stable than the preceding 2017 model and the subsequent 2019 model, which saw complaints rise to 195. Within the 2018 data, the primary area of concern is the engine with 17 complaints, though the data does not specify the root cause. The year also recorded zero crash complaints and a single fire complaint, while TSBs remained relatively low at 115. This suggests that 2018 was a period of peak refinement before complaints began to trend upward again in 2019 and 2020. Given the record-low complaint and recall numbers relative to the rest of the generation, this is an excellent year to buy.

1
Open recalls
NHTSA campaigns
115
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
49
Owner complaints
0 involved a crash · 1 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Overall★★★★
Frontal★★★★
Side★★★★
Rollover★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 49 complaints on record, top 8 components.

Engine17
Exterior Lighting3
Unknown Or Other,Engine2
Power Train,Engine2
Unknown Or Other2
Power Train2
Tires2
Electrical System2

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 1 of 1 campaigns on record for this vehicle.

18V891000Electrical SystemReported 14/12/2018

Hyundai Motor America (Hyundai) is recalling certain 2018 Hyundai Elantra GT vehicles. The panoramic sunroof motor may be incorrectly programmed, preventing the sunroof from detecting an obstacle while closing. Remedy: Hyundai will notify owners, and dealers will inspect the panoramic sunroof, replacing it as necessary, free of charge. The recall began February 5, 2019. Owners may contact…

Technical service bulletins NHTSA · verified

Showing 5 of 115 bulletins on record with NHTSA.

BulletinDateComponentSummary
26-EE-003H TSB2026-04-17Electrical SystemSome vehicles may exhibit difficulty starting in cold weather. This bulletin provides the…
DTN DL2026-04-10Air BagsThe National Highway Traffic Safety Administration (NHTSA) has identified the presence of…
DTN DCS2026-04-10Air BagsThe National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety…
26-01-033H TSB2026-03-26EngineThis TSB references the Op codes to use for claim submission and the Parts required based…
26-01-033H DN2026-03-26EngineThis TSB references the Op codes to use for claim submission and the Parts required based…

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Elantra GT. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

How much oil does the 2018 Elantra GT take?

4.7 qt of 5W-30 API ACEA A5/85, per the factory manual.

Does the 2018 Elantra GT have open recalls?

NHTSA lists 1 recall campaign(s) for this model year. Check your specific vehicle by VIN.