SubaruOutback20112.5L/subaru/outback/2011/2-5l/

2011 Subaru Outback — 2.5L

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2011 Outback 2.5L. Covers both the standard and High Output 2.5L.

Body SUVEngine 2.5LTransmission Automatic (variable gear ratios)

The 2011 Subaru Outback 2.5L is a SUV built around a 2.5-liter engine and an automatic transmission utilizing variable gear ratios, delivering EPA fuel-economy ratings of 21 mpg city, 28 mpg highway, and 24 mpg combined. Within the model’s 1995–2026 complaint history—a span running from a low of 2 grievances in 1995 to a high of 1,029 in 2019—this model year accumulated 649 owner complaints and 16 recalls, with powertrain issues constituting the top complaint area. That tally situates the 2011 variant in the upper-middle range of the documented reliability spectrum, registering substantially fewer complaints than the 2019 peak yet far more than the 1995 baseline, indicating elevated exposure to owner-reported issues relative to the model’s earliest iterations.

Model year201420132012201120102009200820072006

Quick specs

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

Engine oil capacity4.4 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
Lug nut torque89 ft-lbsOEM · verified
EPA fuel economy21/28/24 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI 25 · 490 CCA battery. 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 25 · 490 CCAOEM · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic (variable gear ratios)

Dimensions & weight NHTSA vPIC

Overall length187.8 in
Overall width71.7 in
Overall height65.7 in
Wheelbase107.9 in
Curb weight3633 lb
Track (front / rear)61.4 / 61.4 in
Weight distribution (front / rear)53/47

Ratings & economy EPA / vPIC

EPA city / highway / combined21 / 28 / 24 mpg
DrivetrainAll-Wheel Drive
Passenger volume105 cu ft
Cargo volume35 cu ft
Recommended fuelRegular Gasoline

Performance & power Independent road tests

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

No 2011 road test on record; the results below are same-engine tests from nearby model years, each shown under its own year.

9.7–10.1 sec0–60 mph (tested)quickest 9.70 sec — 2010 2.5i Limited
170 hpHorsepower (as tested)
170 lb-ftTorque (as tested)
YearTrim / engine0–60¼ mileHPDrivetrain
20102.5i Limited 2.5L F-49.70 sec17.40 sec170 hpAWD
20102.5i Limited 2.5L F-410.10 sec17.80 sec170 hpAWD

Service quick specs OEM factory data

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

This engine holds 4.4 qt of 5W-30 API engine oil, DOT 3 brake fluid. Torque lug nuts to 89 ft-lbs, the oil drain plug to 33.0 ft-lbs. The firing order is 1-6-3-2-5-4. Note the cylinder-head bolts finish on a torque angle (torque-to-yield) — they stretch permanently and should be replaced, not reused, during any head service.

Lubricants & capacities

Automatic Transmission FluidSubaru Lienartronic CVT fluid
Automatic Transmission Fluid Capacity13.2
Brake FluidDOT 3
Engine CoolantETHYLENE GLYCOL
Engine Oil5W-30 · API
Engine Oil Capacity4.4 qt
Manual Transmission Fluid75W-90 · GL-5
Manual Transmission Fluid Capacity7.0-9.0

Engine torques

Connecting Rod (Large End) Bearings44.3 ft-lbs
Crankshaft Pulley and/or Damper Bolts143 ft-lbs
Engine Flywheel Bolts66.4 ft-lbs
Intake Manifold to Engine Bolts18.4 ft-lbs
Exhaust Manifold to Cylinder Head Bolts22 ft-lbs
Engine Oil Pan Drain Plug33.0 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs10 ft-lbs

Chassis torques

Lug Nuts89 ft-lbs
Transfer Case Drain Plug17.0-20.0 ft-lbs
Front Wheel Hub162 ft-lbs
Rear Wheel Hub177 ft-lbs

Ignition

Cylinder Firing Order1-3-2-4
Cylinder Firing Order1-6-3-2-5-4
Curb Idle Speed (No Load)MT: 700 rpm
Curb Idle Speed Variance (No Load)100 rpm
Spark Plug ManufacturerNGK
Spark Plug Torque15 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity.88-1.00 lbs
Oil GroupPAG
Oil Type46
Standard BCI Group Number25
Standard BCI Cranking Performance490 cca
Standard BCI Group Number25
Standard BCI Cranking Performance490 cca

Service checks

Pressure Test23 psi
Radiator Cap Pressure Relief14-18 psi
Thermostat Opening Temperature189-196 °F
Injector Primary Resistance12.0 ohms
Engine Compression152-203 psi. 14 variance psi.
Engine Oil Pressure14 psi @ 600 rpm, 43 psi @ 5000
Intake Valve Lash0.0079 in
Exhaust Valve Lash0.0138 in

Brakes

Brake ApplicationWITH SOLID ROTOR / WITH VENTED ROTOR
Torque Caliper to Bracket20 ft-lbs / 88.5 ft-lbs
Torque to Knuckle48.7 ft-lbs / 88.5 ft-lbs
OtherSTANDARD WHEELS
Wheel Application17 inch WHEELS
Minimum Pad ThicknessFront: 0.059; Rear: 0.059 in
Brake ApplicationWITH SOLID ROTOR / WITH VENTED ROTOR
Rotor Runout Limit0.002 in

Multi-step torque procedures OEM · verified

Cylinder Head — tightening sequence 8 stages

Prep MFI and SFI

121.4 ft. lbs.21.4 ft. lbs
273.8 ft. lbs.73.8 ft. lbs
3Loosen 180 degrees in the reverse order of installing.180 degrees
4Loosen 180 degrees in the reverse order of installing.180 degrees
531 ft. lbs.31 ft. lbs
678-82 degrees.78–82 degrees
7Bolts 1, 273–77 degrees
86, 5, 4, 328–32 degrees
Main Bearings — tightening sequence 1 stages
19 ft. lbs., Step 2: 13 ft. lbs., Step 3: 909 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 1,250 mi; spark plugs every 60,000 mi.

Every 1,250 miEngine Oil (inspect fluid level)
Every 5,000 miAccessory Drive Belt (inspect) · CV Joint Boot (inspect) · Engine Oil Filter (replace) · Exterior Lighting (inspect) · Tire & Wheel Assembly (inspect) · Universal Vehicle Operation (inspect all fluid levels)
Every 10,000 miBody Latches, Locks & Hinges (lubricate) · Brake Linings (inspect) · Engine Coolant System (inspect fluid level) · Engine Coolant System Hoses (inspect) · Suspension System (inspect alignment)
Every 15,000 miCabin Air Filter (replace) · Power Steering System (inspect)
Every 20,000 miBrake System (inspect) · Engine Air Filter Element (inspect)
Every 30,000 miDifferential (inspect fluid level) · Fuel Injection System (inspect) · Fuel Line (inspect) · Transmission Assembly (inspect fluid level)
Every 40,000 miBattery Cable (inspect) · Brake Hydraulic System (drain, refill & bleed) · Brake Line (inspect) · Fuel Evaporative Emission Control System Lines (inspect) · PCV Valve (inspect) · Parking Brake System (inspect)
Every 60,000 miDrive Axle Assembly (drain & refill) · Spark Plugs (replace) · Wheel Bearing (inspect)
Every 100,000 miTiming Belt (replace)

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 Subaru Outback represents a pronounced spike in the federal complaint data, logging 649 complaints—nearly double the 359 recorded for 2010 and more than twice the 290 reported for 2012—making it the peak complaint year within this generation's mid-cycle arc. Recalls remain elevated at 16, consistent with 2012 and only slightly below 2010's 18, while TSBs climb to 329, suggesting Subaru was actively issuing service guidance to address emerging problems. The dominant complaint areas—Power Train (164), Exterior Lighting (94), Air Bags (57), and Service Brakes (43)—along with 23 crash complaints and 6 fire complaints, indicate a broad and serious set of issues rather than a single isolated defect, though the data does not specify root causes for any of these categories. Within the generation's trajectory, 2011 sits squarely at the crest of a complaint wave that built from 2009 (111 complaints) through 2010 and then subsided sharply by 2012, implying that this model year bore the brunt of whatever design or production problems were present in the early 2010s Outback run. Given that complaint volume is the highest in the surrounding decade and the recall count remains stubbornly high, a used 2011 Outback is a year to approach with caution: verify that all 16 recalls have been completed and scrutinize power train and brake service records specifically before purchase.

16
Open recalls
NHTSA campaigns
329
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
649
Owner complaints
23 involved a crash · 6 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Overall★★★★
Frontal★★★★
Side★★★★
Rollover★★★★

Owner complaints filed with NHTSA, by component

All 649 complaints on record, top 8 components.

Power Train164
Exterior Lighting94
Air Bags57
Service Brakes43
Engine38
Unknown Or Other18
Power Train,Engine18
Steering18

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 16 campaigns on record for this vehicle.

19V008000Air Bags:Frontal:Passenger Side:Inflator ModuleReported 09/01/2019

Subaru of America, Inc. (Subaru) is recalling certain 2010-2014 Tribeca, WRX, Outback, and Legacy vehicles, 2010-2011 Impreza vehicles and 2010-2013 Forester vehicles sold, or ever registered, in the states of Arizona… Remedy: Subaru is notifying owners, and dealers will replace the front passenger air bag inflator, free of charge. The recall began January 25, 2019. Owners may contact Subaru customer…

18V626000Parking BrakeReported 13/09/2018

Subaru of America, Inc. (Subaru) is recalling certain 2010-2014 Subaru Legacy and Outback vehicles equipped with a manual transmission. The electronic parking brake (EPB) may not engage as intended, allowing the vehicle… Remedy: Subaru will notify owners, and dealers will replace the EPB actuator assembly, free of charge. The recall began July 19, 2019. Owners may contact Subaru customer service at…

Technical service bulletins NHTSA · verified

Showing 5 of 329 bulletins on record with NHTSA.

BulletinDateComponentSummary
SubaruNet Annoucement (E2026-06-11Unknown Or OtherThis announcement is requesting retailer staff to retain the EyeSight protective hood…
01-167-08R2026-05-18Unknown Or OtherThis bulletin contains additional information for recommended materials listed in the…
SubaruNet Announcement (R2026-05-04Power TrainThis announcement provides information on the remanufactured CVT transmission program.
07-240-26R2026-04-30Unknown Or OtherThis Service Information Bulletin was developed to provide interim guidance for vehicles…
03-97-262026-04-24Power TrainThis bulletin announces the service manual correction regarding clutch master cylinder…

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 Outback. 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 Outback 2.5L take?

4.4 qt of 5W-30 API SM, per the factory manual.

Does the 2011 Outback have open recalls?

NHTSA lists 16 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the 2.5L get?

EPA figures are 21 city / 28 highway / 24 combined mpg.