LexusGS3502008Overview/lexus/gs350/2008/base/

2008 Lexus GS350

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2008 GS350.

Body PASSENGER CARTransmission Automatic (S6)

The 2008 Lexus GS350 arrives as a passenger car equipped with a six-speed automatic transmission and an engine that takes 6.6 quarts of 5W-30 API oil, returning EPA estimates of 19 city, 27 highway, and 22 combined mpg. Owner-reported data for this model year shows 45 total complaints with the engine cited as the leading concern area, alongside four recalls issued. While the broader model history from 2011 through 2019 shows a peak of 41 complaints in 2013 and a low of one in 2012, the 2008 model year's 45 complaints place it above that later range's highest figure, indicating a higher reported issue density for this early generation year.

Model year202020192018201720162015201420132008

Quick specs

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

Engine oil capacity6.6 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
Lug nut torque76 ft-lbsOEM · verified
EPA fuel economy19/27/22 mpgEPA · 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 9672335028. 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 / turnAUTOOEM · verified
Tire size225-55VR17OEM · verified
Wheel / rim7.5-JJ inOEM · verified

OE service part numbers OEM · verified

Engine oil filter9672335028 alt 9030179006
Engine air filter1780131110
Fuel filter2330031140
Spark plug9091901249
Front wiper blades8521233231 alt 8522233241
Serpentine belt99367K1550
Thermostat1632631050 alt 1603131020
Cabin air filter8713907010

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic (S6)

Ratings & economy EPA / vPIC

EPA city / highway / combined19 / 27 / 22 mpg
DrivetrainRear-Wheel Drive
Passenger volume98 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 5W-30 API engine oil, 80W-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 1-2-3-4-5-6.

Lubricants & capacities

Automatic Transmission FluidATF
Automatic Transmission Fluid Capacity3
Automatic Transmission FluidATF
Automatic Transmission Fluid Capacity3.4
Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity1.5 Pints
Engine Oil5W-30 · API
Engine Oil Capacity6.6 qt

Engine torques

Crankshaft Pulley and/or Damper Bolts184 ft-lbs
Engine Flywheel Bolts61 ft-lbs
Main Bearings16
Engine Oil Pan Drain Plug30.0 ft-lbs

Chassis torques

Lug Nuts76 ft-lbs
Front Wheel Hub217 ft-lbs
Rear Wheel Hub214 ft-lbs

Ignition

Cylinder Firing Order1-2-3-4-5-6
Curb Idle Speed (No Load)650 rpm
Curb Idle Speed Variance (No Load)50 rpm
Ignition Timing8-12, Not adjustable degrees
Ignition Timing Reference RPMIdle rpm

Battery & A/C

RefrigerantR134a
Refrigerant Capacity.88-1.10 lbs
Oil GroupPAG
Oil Type46
Oil Capacity5.11 oz
Standard BCI Group Number24
Standard BCI Cranking Performance585 cca

Service checks

Pressure Test17 psi
Radiator Cap Pressure Relief14-18 psi
Thermostat Opening Temperature176-183 °F
Residual Pressure21.0 psi
Injector Primary Resistance3-100 Motor ohms
Engine Compression142-199 PSI. 15 Maximum variation PSI
Engine Oil Pressure11.6 psi @ Idle, 36.4 psi @ 2500 rpm psi

Brakes

Torque to Knuckle58 ft-lbs / 40 ft-lbs
Torque Caliper to Bracket18 ft-lbs
Minimum Pad ThicknessFront: 0.039; Rear: 0.040 in
Rotor Runout Limit0.002 in
Rotor Nominal Thickness From1.181 in / 0.709 in
Rotor Nominal Thickness To1.181 in / 0.709 in
Rotor Discard at or Under1.063 in / 0.65 in

Multi-step torque procedures OEM · verified

Connecting Rod (Large End) Bearings — tightening sequence 1 stages
130 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 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 15,000 miBrake Line (inspect) · CV Joint Boot (inspect) · Differential (inspect fluid level) · Driveshaft (inspect) · Engine Coolant System (inspect fluid level) · Exhaust System (Complete) (inspect)
Every 30,000 miAccessory Drive Belt (inspect) · Brake Hydraulic System (drain, refill & bleed) · Brake Linings (inspect) · Brake Rotor (inspect) · Cabin Air Filter (replace) · Engine Air Filter Element (replace)
Every 50,000 miEngine Coolant System (drain, flush & refill)
Every 60,000 miSpark Plugs (replace)
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 2008 Lexus GS350 recorded primary complaints regarding the engine (9), unknown or other areas (6), exterior lighting (4), and the fuel/propulsion system (3), alongside eight crash complaints and one fire complaint. In the context of the available federal record from 2011 to 2019, the generation's complaints peaked significantly in 2013 with 41 reports and 383 TSBs. The 2008 model year precedes this spike and shows a lower complaint volume than the 2013-2015 window. The provided data does not specify the root causes for the reported engine or fuel system issues. Because it avoids the high-volume issue trend seen in later years of the generation, this is a good year to buy.

4
Open recalls
NHTSA campaigns
177
Service bulletins
Manufacturer communications
1
ODI investigations
Office of Defects Investigation
45
Owner complaints
8 involved a crash · 1 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 45 complaints on record, top 8 components.

Engine9
Unknown Or Other6
Exterior Lighting4
Fuel/Propulsion System3
Service Brakes3
Power Train2
Vehicle Speed Control2
Suspension2

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 177 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 GS350. 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 2008 GS350 take?

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

Does the 2008 GS350 have open recalls?

NHTSA lists 4 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the GS350 get?

EPA figures are 19 city / 27 highway / 22 combined mpg.