LexusGS450H2015Overview/lexus/gs450h/2015/base/

2015 Lexus GS450H

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2015 GS450H.

Body PASSENGER CARTransmission Automatic (AV-S8)

The 2015 Lexus GS450H is a passenger car featuring an AV-S8 automatic transmission and an EPA-rated 29/34/31 mpg, requiring 6.6 quarts of 0W-20 engine oil. This model year exhibits strong reliability with zero recalls and a single owner complaint centered on the steering and electrical systems. In the context of the 2007-2017 model history, this performance mirrors the 2012 low of one complaint, a significant improvement over the 48 complaints recorded in 2007.

Model year201820172016201520142013201120102009

Quick specs

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

Engine oil capacity6.6 qtOEM · verified
Engine oil type0W-20OEM · verified
EPA fuel economy29/34/31 mpgEPA · verified

Fitment & sizes

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

From the factory this vehicle uses a BCI S65D26R · 360 CCA battery, OE oil filter 9030179006. 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 S65D26R · 360 CCAOEM · verified
Tail / brake / turnBECUOEM · verified
Tire sizeP225/50R17; P235/45R18; P235/40R19; P265/35R19OEM · verified
Wheel / rim7.5, 8.0, 8.0, 9.0 inOEM · verified

OE service part numbers OEM · verified

Engine oil filter9030179006 alt 04152YZZA3
Engine air filter1780131170
Spark plug9091901263
Battery2880031411
Front wiper blades8521230480 alt 8522230650
Serpentine belt9091602703
Thermostat1632631050 alt 1603131020
Cabin air filter8713930100

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic (AV-S8)

Ratings & economy EPA / vPIC

EPA city / highway / combined29 / 34 / 31 mpg
DrivetrainRear-Wheel Drive
Passenger volume99 cu ft
Cargo volume13 cu ft
Recommended fuelPremium Gasoline

Service quick specs OEM factory data

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

This engine holds 6.6 qt of 0W-20 engine oil, 75W-85 · GL-5 in the differential, DOT 3 brake fluid. Torque the oil drain plug to 30.0 ft-lbs. The firing order is 1-2-3-4-5-6.

Lubricants & capacities

Automatic Transmission FluidATF
Automatic Transmission Fluid Capacity6.0
Brake FluidDOT 3
Differential Gear Oil75W-85 · GL-5
Engine CoolantHOAT
Engine Oil0W-20
Engine Oil Capacity6.6 qt
Fuel Tank Capacity17.4 gallons

Engine torques

Crankshaft Pulley and/or Damper Bolts184 ft-lbs
Engine Oil Pan Drain Plug30.0 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs81.0 inch lbs. ft-lbs

Chassis torques

Steering Track (Rod End) Bolts41.0 ft-lbs
Rear Wheel HubInstall a new nut and torque to 214.0 ft-lbs
Rear Wheel Hub214 ft-lbs
Rear Wheel Hub Bearing Housing BoltsAfter tightening, stake lock nut.

Ignition

Cylinder Firing Order1-2-3-4-5-6
Curb Idle Speed (No Load)650 rpm
Curb Idle Speed Variance (No Load)50 rpm
Spark Plug ManufacturerDenso
Spark Plug Gap0.028-0.032 in
Spark Plug Torque13.0 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.00-1.21 lbs
Oil TypeND 11 Oil
Oil Capacity4.57-4.60 oz
Standard BCI Group NumberS65D26R
Standard BCI Cranking Performance360 cca

Service checks

RPM28-85 @ idle rpm
Residual Pressure21 After 5 min, engine off psi
Engine Compressionpsi 102 - 145 / max variation 29 psi

Brakes

Brake Caliper Bolt to Carrier TorqueRear: 20 /; Rear: 20
Brake Caliper Carrier to Hub Bolt TorqueFront: 100; Rear: 92 /; Front: 100; Rear: 92
Minimum Pad ThicknessFront: 0.039; Rear: 0.040 in
Vented Rotor Minimum Thickness for ReplacementFront: 1.062; Rear: .650
Maximum Rotor Runout.002
Maximum Drum Diameterp / Parking brake 7.520

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
130.0 ft. lbs., Step 2: 9030 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 10,000 mi; coolant every 50,000 mi. The big-interval services (every 50,000 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.

At 5,000 miUniversal Vehicle Operation (inspect all fluid levels)
Every 5,000 miBrake System (inspect) · Floor Mat (inspect) · Tire & Wheel Assembly (rotate) · Universal Vehicle Operation (road test) · Windshield Wiper Blade (inspect)
Every 10,000 miCabin Air Filter (replace) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Universal Vehicle Operation (inspect all fluid levels)
Every 15,000 miAccessory Drive Belt (inspect) · Brake Line (inspect) · CV Joint Boot (inspect) · Differential (inspect fluid level) · Engine Coolant System (inspect fluid level) · Exhaust System (Complete) (inspect)
Every 30,000 miBrake Hydraulic System (drain, refill & bleed) · Brake Rotor (inspect) · Engine Air Filter Element (replace) · Fuel Evaporative Emission Control System Lines (inspect) · Fuel Line (inspect) · Fuel Tank (inspect)
Every 50,000 miEngine Coolant System (drain, flush & refill)
At 60,000 miAccessory Drive Belt (inspect)
At 100,000 miEngine Coolant System (drain, flush & refill)
Every 100,000 miTransmission Assembly (inspect fluid level)

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 2015 Lexus GS450H represents a significant improvement over the early-production years of this generation—complaints dropped from 48 in 2007 and 22 in 2008 to just 1 in 2015, while recalls fell from 5 and 3 respectively to zero. After a spike in complaints during 2013 (17 total), the model year returned to the low complaint baseline seen in 2012, suggesting the manufacturer addressed emerging issues. The single 2015 complaint addresses steering and electrical systems, with no crash or fire complaints filed. Compared to 2017 (also 1 complaint, 0 recalls), the 2015 falls squarely within a stable period in the model's lifecycle. This makes 2015 a favorable year to purchase, as it offers the proven reliability of the revised platform without the uncertainty of the earlier model years.

0
Open recalls
NHTSA campaigns
258
Service bulletins
Manufacturer communications
1
ODI investigations
Office of Defects Investigation
1
Owner complaints
0 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 1 complaints on record, top 1 components.

Steering,Electrical System1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.

Technical service bulletins NHTSA · verified

Showing 5 of 258 bulletins on record with NHTSA.

BulletinDateComponentSummary
L-SB-0030-24 Rev22025-12-15StructureSome 2005 – 2026 Lexus vehicles that have undergone water intrusion may exhibit a…
L-SB-0043-23 Rev12025-06-13Electrical SystemThe air conditioning dye injection tool kit has been developed to aid in identifying the…
L-SB-0017-19 Rev12025-02-07StructureSome 2010 – 2026 model year Lexus vehicles may exhibit paint stains after the removal of…
L-SB-0017-19 Rev12025-02-07StructureSome 2010 – 2026 model year Lexus vehicles may exhibit paint stains after the removal of…
L-SB-0030-24 Rev12024-07-29StructureSome 2005 – 2024 Lexus vehicles that have undergone water intrusion may exhibit a…

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 GS450H. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
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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 2015 GS450H take?

6.6 qt of 0W-20 ILSAC GF-5 multigrade engine oil, per the factory manual.

Does the 2015 GS450H have open recalls?

NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the GS450H get?

EPA figures are 29 city / 34 highway / 31 combined mpg.