HyundaiEquus2011Overview/hyundai/equus/2011/base/

2011 Hyundai Equus

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2011 Equus.

Body PASSENGER CARTransmission Automatic 6-spd

Classified as a passenger car, the 2011 Hyundai Equus pairs a six-speed automatic transmission with a powertrain requiring 6.8 quarts of 5W-20 or 5W-30 API oil to return an EPA-estimated 16 city, 24 highway, and 18 combined mpg. The model logged 24 total owner complaints and two recalls, with suspension issues standing out as the top complaint area to define its early reliability profile. Within the 2011-2016 years covered, this 2011 model sits well below the 2014 peak of 37 complaints but notably above the 2012 low of just eight, meaning researchers should view it as a moderately troubled baseline year where suspension concerns require the most scrutiny rather than broad systemic failures.

Model year201620152014201320122011

Quick specs

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

Engine oil capacity6.8 qtOEM · verified
Engine oil type5W-20 / 5W-30 APIOEM · verified
Lug nut torque65-80 ft-lbsOEM · verified
EPA fuel economy16/24/18 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 49 · 740 CCA battery, OE oil filter 263193F300. 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 49 · 740 CCAOEM · verified
Tire sizeP275-40R19OEM · verified
Wheel / rim9 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter263193F300
Battery371103M200
Cabin air filter087903M000A

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 6-spd

Dimensions & weight NHTSA vPIC

Overall length203.1 in
Overall width74.4 in
Overall height58.7 in
Wheelbase120.1 in
Curb weight4555 lb
Track (front / rear)63.8 / 64.2 in
Weight distribution (front / rear)52/48

Ratings & economy EPA / vPIC

EPA city / highway / combined16 / 24 / 18 mpg
DrivetrainRear-Wheel Drive
Passenger volume110 cu ft
Cargo volume17 cu ft
Recommended fuelPremium Gasoline

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the Equus of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

6.1–6.4 sec0–60 mph (tested)quickest 6.10 sec — 2011 Ultimate
YearTrim / engine0–60¼ mileHPDrivetrain
2011Ultimate 4.6L V86.10 sec14.50 sec385 hpRWD
2011Ultimate 4.6L V86.10 sec14.60 sec385 hpRWD
2011Signature 4.6L V86.20 sec14.60 sec385 hpRWD
2011Signature 4.6L V86.20 sec14.60 sec385 hpRWD
2011Ultimate 4.6L V86.40 sec14.80 sec385 hpRWD
2012Ultimate 5.0L V85.50 sec13.90 sec429 hpRWD
2014Ultimate 5.0L V86.40 sec14.80 sec429 hpRWD

Service quick specs OEM factory data

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

This engine holds 6.8 qt of 5W-20 / 5W-30 API engine oil, 80W-90 · GL-5 in the differential, DOT 3 brake fluid. Torque lug nuts to 65-80 ft-lbs, the oil drain plug to 25.3-32.5 ft-lbs. The firing order is 1-2-7-8-4-5-6-3.

Lubricants & capacities

Automatic Transmission FluidShell M1374.1
Automatic Transmission Fluid Capacity10.0-10.8
Brake FluidDOT 3
Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity3 Pints
Engine CoolantETHYLENE GLYCOL
Engine Oil5W-20 · 5W-30 · API
Engine Oil Capacity6.8 qt

Engine torques

Camshaft Bearing/Carrier Cap Bolts or Studs10-11 ft-lbs
Crankshaft Pulley and/or Damper Bolts290-296 ft-lbs
Engine Flywheel Bolts79 ft-lbs
Exhaust Manifold to Cylinder Head Bolts36-40 ft-lbs
Engine Oil Pan Drain Plug25.3-32.5 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs14-17 ft-lbs

Chassis torques

Lug Nuts65-80 ft-lbs
Rear Wheel Hub145-203 ft-lbs

Ignition

Cylinder Firing Order1-2-7-8-4-5-6-3
Curb Idle Speed (No Load)700 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
Ignition Coil Primary Resistance.56-.68 ohms
Ignition Coil Secondary Resistance5950-8050 ohms
Ignition Timing0, Not adjustable degrees

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.37-1.48 lbs
Oil GroupPAG
Oil Type46
Oil Capacity4.95-5.63 oz
Standard BCI Group Number49
Standard BCI Cranking Performance740 cca

Service checks

Pressure Test14-19 psi
Radiator Cap Pressure Relief14-19 psi
Thermostat Opening Temperature179 °F
Regulated Fuel System Pressure (With Vacuum)55.0 psi
Engine Compression135

Brakes

Brake ApplicationWITH FN3 (16 inch) CALIPER PR NOS. 1LH/1ZG
Torque to Knuckle58-72 ft-lbs
Torque Caliper to Bracket16-23 ft-lbs
Minimum Pad ThicknessFront: 0.079; Rear: 0.079 in
Minimum Shoe Thickness0.039 in
Brake ApplicationWITH FN3 (16 inch) CALIPER PR NOS. 1LH/1ZG
Rotor Max Parallel Variation0.0002 in
Rotor Runout Limit0.0012 in / 0.002 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
116-19 ft. lbs., Step 2: 98-10216–19 ft. lbs
Intake Manifold to Engine Bolts — tightening sequence 1 stages
14-6 ft. lbs., step 2: 15-204–6 ft. lbs

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 7,500 mi; spark plugs at 105,000 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 7,500 miEngine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate) · Vacuum Line (inspect)
Every 15,000 miAccessory Drive Belt (inspect) · Air Conditioning Refrigerant Line (inspect) · Brake Line (inspect) · Brake System (inspect) · CV Joint Boot (inspect) · Cabin Air Filter (replace)
Every 30,000 miBrake Hydraulic System (inspect fluid level) · Engine Air Filter Element (replace) · Engine Coolant System (drain, flush & refill) · Fuel Evaporative Canister Filter (inspect) · Fuel Evaporative Emission Control System Lines (inspect) · Fuel Filter (inspect)
Every 40,000 miDifferential (inspect fluid level) · Transmission Assembly (inspect fluid level)
At 60,000 miAccessory Drive Belt (inspect)
At 105,000 miSpark Plugs (replace)
At 120,000 miEngine Coolant System (drain, flush & refill)

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 2011 Equus, as the first model year of this generation, recorded 24 complaints and 2 recalls—the highest recall count in the 2011–2016 span, while later years averaged 1 or 0 recalls. Complaints dropped sharply to 8 in 2012 and 10 in 2013 before spiking to 37 in 2014, then settling around 9, so 2011 sits at the high end of the complaint arc alongside the 2014 outlier. The top complaint areas for 2011 are suspension (6) and service brakes (5), and the year also logged 2 crash and 1 fire complaint, though the data does not specify root causes for these issues. With 60 TSBs—comparable to 2013 but fewer than 2012's 77—the 2011 shows early-model-year service activity but not the highest volume. Given its elevated recall and complaint numbers relative to most subsequent years, the 2011 Equus is a riskier buy than later model years in this generation.

2
Open recalls
NHTSA campaigns
60
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
24
Owner complaints
2 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 24 complaints on record, top 8 components.

Suspension6
Service Brakes5
Suspension,Wheels2
Electrical System2
Engine1
Engine & Engine Cooling1
Air Bags1
Suspension,Electrical System,Unknown Or Other1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

16V117000Visibility:Windshield Wiper/Washer:MotorReported 29/02/2016

Hyundai Motor America (Hyundai) is recalling certain model year 2012 Genesis vehicles manufactured August 1, 2011, to April 30, 2012, and 2011-2013 Equus vehicles manufactured July 10, 2011, to June 12, 2012. The… Remedy: Hyundai will notify owners, and dealers will replace the wiper motor cover and seal, free of charge. The recall began on April 22, 2016. Owners may contact Hyundai customer…

14V713000Exterior Lighting:Brake Lights:SwitchReported 07/11/2014

Hyundai Motor America (Hyundai) is recalling certain 2009-2011 Hyundai Genesis vehicles manufactured April 30, 2008, to November 21, 2010, and 2011 Hyundai Equus vehicles manufactured July 31, 2010, to November 21… Remedy: Hyundai will notify owners, and dealers will repair the stop lamp switch circuit, free of charge. Hyundai issued an interim notification to owners on January 6, 2015. The recall…

Technical service bulletins NHTSA · verified

Showing 5 of 60 bulletins on record with NHTSA.

BulletinDateComponentSummary
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…
25-BD-012H TSB2025-11-05Exterior LightingThis bulletin provides information regarding condensation related to the accumulated…
24-AT-002H2024-04-09Power TrainThis TSB provides a procedure to diagnose and replace, if necessary, an automatic…
24-BD-001H2024-02-14VisibilityThis bulletin contains information about the proper removal of the windshield wiper blade…

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 Equus. 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 2011 Equus take?

6.8 qt of 5W-20 OR 5W-30 API SM, per the factory manual.

Does the 2011 Equus have open recalls?

NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Equus get?

EPA figures are 16 city / 24 highway / 18 combined mpg.