LexusGS3002005Overview/lexus/gs300/2005/base/

2005 Lexus GS300

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2005 GS300.

Body PASSENGER CAR

The 2005 Lexus GS300 is a passenger car within the Lexus range, factory-specified with a 5.7-quart engine oil capacity and 5W-30 API viscosity grade. NHTSA data records just four owner complaints and a single recall for the model year, with the most-reported category falling under "Unknown or Other, Engine" — an absence of any dominant, well-defined problem. Viewed against the GS's 1993-to-2019 complaint history, which spans a high of 69 reports in 1998 and a low of one in 2013, the 2005 sits comfortably among the cleaner years in the lineage. For a researcher, that profile positions the 2005 GS300 as one of the more reliability-resilient chapters in a model line that has otherwise seen wide swings in owner-reported issues.

Model year201920182006200520042003200220012000

Quick specs

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

Engine oil capacity5.7 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
Lug nut torque76 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 24 · 585 CCA battery, OE oil filter 90915YZZD1. 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 24 · 585 CCAOEM · verified
Tail / brake / turnHEADOEM · verified
Tire sizeP225-55VR16OEM · verified
Wheel / rim8-JJ inOEM · verified

OE service part numbers OEM · verified

Engine oil filter90915YZZD1
Engine air filter1780146080
Fuel filter233000A020 alt 2321746090
Spark plug9091901219
Battery2880046130 alt 2880046120
Front wiper blades8521253061 alt 8522230560
Thermostat9091603093 alt 1632562010
Cabin air filter8713950030

Service quick specs OEM factory data

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

This engine holds 5.7 qt of 5W-30 API engine oil, SYNTHETIC · 75W-90 · GL-5 in the differential. Torque lug nuts to 76 ft-lbs, the oil drain plug to 30.0 ft-lbs. The firing order is 1-5-3-6-2-4.

Lubricants & capacities

Automatic Transmission FluidATF
Automatic Transmission Fluid Capacity1.2
Differential Gear OilSYNTHETIC · 75W-90 · GL-5
Differential Gear Oil Capacity3 Pints
Engine Oil5W-30 · API
Engine Oil Capacity5.7 qt

Engine torques

Camshaft Bearing/Carrier Cap Bolts or Studs14 ft-lbs
Crankshaft Pulley and/or Damper Bolts243 ft-lbs
Intake Manifold to Engine Bolts21 ft-lbs
Exhaust Manifold to Cylinder Head Bolts30 ft-lbs
Engine Oil Pan Drain Plug30.0 ft-lbs
Oil Pump to Cylinder BLock Bolts/Studs15 ft-lbs

Chassis torques

Lug Nuts76 ft-lbs
Front Wheel Hub147 ft-lbs
Rear Wheel Hub213 ft-lbs

Ignition

Cylinder Firing Order1-5-3-6-2-4
Curb Idle Speed (No Load)700 rpm
Curb Idle Speed Variance (No Load)50 rpm
Ignition Coil Primary Resistance.33-.52 ohms
Ignition Coil Secondary Resistance8,500-14,700 ohms
Spark Plug Gap0.039-0.0.043 in
Spark Plug Torque13.0 ft-lbs

Battery & A/C

RefrigerantR134a
Refrigerant Capacity1.21-1.43 lbs
Oil GroupPAG
Oil Type46
Oil Capacity4.20 oz
Standard BCI Group Number24
Standard BCI Cranking Performance585 cca

Service checks

Residual Pressure21.0 psi
Injector Primary Resistance1200-3200 Pedal position ohms
Engine Compression156-192 PSI. 14 maximum variation PSI.

Brakes

Torque Caliper to Bracket25 ft-lbs
Torque to Knuckle87 ft-lbs / 77 ft-lbs
Minimum Pad ThicknessFront: 0.039; Rear: 0.040 in
Rotor Runout Limit0.002 in
Rotor Nominal Thickness From1.26 in / 0.472 in
Rotor Nominal Thickness To1.26 in / 0.472 in
Rotor Discard at or Under1.181 in / 0.413 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
122 ft. lbs., Step 2: 9022 ft. lbs
Main Bearings — tightening sequence 1 stages
133 ft. lbs., Step 2: 9033 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 5,000 mi; spark plugs every 60,000 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.

Every 5,000 miBrake System (inspect) · Engine Oil (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 10,000 miCabin Air Filter (replace)
Every 15,000 miBrake Line (inspect) · Differential (inspect fluid level) · Engine Coolant System (leak inspection) · Exhaust System (Complete) (inspect) · Rack & Pinion Assembly (inspect)
Every 30,000 miBrake Hydraulic System (drain, refill & bleed) · Brake Linings (inspect) · Engine Air Filter Element (replace) · Fuel Line (inspect)
Every 50,000 miEngine Coolant System (drain, flush & refill)
Every 60,000 miEngine Valves (inspect valve lash) · Spark Plugs (replace)
Every 90,000 miTiming Belt (replace)
At 100,000 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 second-generation GS300 saw a sharp complaint peak of 69 in 1998, followed by a steady decline to just 8 complaints by 2004. The provided year-by-year record skips 2005, but the target year's own data reveals only four complaint areas—engine, power train, tires, and air bags/vehicle speed control—each with a single report, along with one crash-related complaint and no fires. This places 2005 at the very end of the generation's arc, well past the early teething issues, and its sparse complaint profile mirrors the low numbers seen in 2004. The data does not specify root causes for these isolated incidents. Given this trend, the 2005 Lexus GS300 stands out as a mature and highly reliable model year to consider.

1
Open recalls
NHTSA campaigns
75
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
4
Owner complaints
1 involved a crash · 0 a fire
NHTSA crash-test rating federal NCAP · out of 5 stars
Rollover★★★★
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 4 complaints on record, top 4 components.

Unknown Or Other,Engine1
Power Train1
Tires1
Air Bags,Vehicle Speed Control1

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 75 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-0030-24 Rev12024-07-29StructureSome 2005 – 2024 Lexus vehicles that have undergone water intrusion may exhibit a…
L-SB-0030-24 Rev12024-07-29StructureSome 2005 – 2024 Lexus vehicles that have undergone water intrusion may exhibit a…
L-SB-0030-242024-06-21StructureSome 2005 – 2024 Lexus vehicles that have undergone water intrusion may exhibit a…
L-SB-0030-242024-06-21StructureSome 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 GS300. 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 2005 GS300 take?

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

Does the 2005 GS300 have open recalls?

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