39/100
2006Midsize CarsPremium

2006 Lexus GS 300/GS 430

EPA ID: 21978
19
City MPG
22
Combined MPG
22MPG· Average
27
Highway MPG

Fuel Economy Overview

The 2006 Lexus GS 300/GS 430 achieves an EPA-estimated 22 MPG in combined city and highway driving, with 19 MPG in the city and 27 MPG on the highway. Powered by a 3L 6-cylinder engine paired with a automatic (s6), this midsize cars features Rear-Wheel Drive drive.

In terms of environmental impact, the 2006 GS 300/GS 430 produces approximately 404 grams of CO2 per mile. This figure is measured under standardized EPA test conditions and represents tailpipe emissions only. For context, the average new vehicle sold in the United States produces approximately 400 grams of CO2 per mile, meaning this GS 300/GS 430 has higher-than-average emissions in this regard.

The estimated annual fuel cost for this vehicle is $3,150, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $5,000 over a 5-year period. This calculation accounts for differences in fuel consumption efficiency and provides a practical measure of long-term ownership costs attributable to fuel economy.

Energy DNA

Vehicle ClassMidsize Cars
Fuel TypePremium
Engine3L 6-cyl
AspirationNaturally Aspirated
TransmissionAutomatic (S6)
Drive TypeRear-Wheel Drive

Green Scorecard

CO2 Emissions404 g/mi
Start-Stop SystemNot Equipped
GHG Score-1/10
Smog RatingN/A
Est. Annual Cost$3,150
5-Year Cost DeltaSave $5,000

Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy

55% City45% Highway

Adjust the slider to match your daily driving habits. City driving involves stop-and-go traffic under 45mph, while highway driving represents sustained speeds over 55mph.

Your Real MPG
21.9
Impact vs EPA
+$8
/ year
💨

Aerodynamic Speed Penalty

EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Expect your real-world highway fuel economy to drop by roughly 15-20% at interstate speeds.

5-Year Total Cost of Ownership

Estimated Monthly Cost
$760/mo
Includes estimated depreciation, fuel, insurance, and state fees over 5 years. Does not include loan interest.
15,000 mi
Value Depreciation
Est. value lost over 60 months
$22,400
49.2%
Fuel & Electricity
Based on National Average rates ($3.50/gal)
$11,932
26.2%
Estimated Insurance
Based on vehicle class risk profile
$10,840
23.8%
State Registration Fees
Based on National Average DMV base rates
$400
0.9%
Total 5-Year Cost$45,572

Recall Intelligence

Campaign #11V029000·2011-03-07
critical
Component: FUEL SYSTEM, GASOLINE:DELIVERY

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2006-2009 LEXUS IS AND MODEL YEAR 2006-2007 LEXUS GS VEHICLES. DUE TO INSUFFICIENT TIGHTENING OF THE FUEL PRESSURE SENSOR CONNECTED TO AN ENGINE FUEL DELIVERY PIPE WITH NICKEL PHOSPHORUS PLATING, THERE IS A POSSIBILITY THAT, OVER TIME, THE PRESSURE SENSOR COULD LOOSEN. IF LOOSENING OCCURS, FUEL COULD LEAK PAST A GASKET USED IN THE CONNECTION BETWEEN THE SENSOR AND THE PIPE AND THROUGH THE THREADED PORTION OF THE SENSOR.

Consequence & Remedy

Consequence: FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.

Remedy: DEALERS WILL INSPECT FOR FUEL LEAKAGE FROM THE THREADED PORTION OF THE FUEL PRESSURE SENSOR AND IF A FUEL LEAK IS NOT CONFIRMED, DEALERS WILL FURTHER TIGHTEN THE FUEL PRESSURE SENSOR WITH THE PROPER TORQUE. IF A FUEL LEAK IS CONFIRMED, THE GASKET BETWEEN THE SENSOR AND THE FUEL DELIVER PIPE WILL BE REPLACED WITH A NEW ONE, AND THE SENSOR WILL BE TIGHTENED WITH THE PROPER TORQUE. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MARCH 7, 2011. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331.

Campaign #10V499000·2010-11-15
critical
Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

TOYOTA IS RECALLING CERTAIN MODEL YEAR 2005-2006 AVALON, MODEL YEAR 2004-2006 HIGHLANDER, MODEL YEAR 2004-2006 LEXUS RX, AND MODEL YEAR 2006 LEXUS GS AND IS VEHICLES. BRAKE FLUID CONTAINING POLYMERS IS USED THAT ACTS AS LUBRICANTS FOR CERTAIN BRAKE SYSTEM COMPONENTS. IF REPLACEMENT BRAKE FLUID IS USED THAT DOES NOT CONTAIN SUCH POLYMERS, OR THAT CONTAINS ONLY SMALL AMOUNTS, A PART OF THE RUBBER SEAL LOCATED AT THE REAR OF THE BRAKE MASTER CYLINDER MAY BECOME DRY, AND THE SEAL MAY CURL DURING MOVEMENT OF THE PISTON. IF THIS OCCURS, A SMALL AMOUNT OF BRAKE FLUID COULD SLOWLY LEAK FROM THE SEAL INTO THE BRAKE BOOSTER.

Consequence & Remedy

Consequence: A LEAK OF BRAKE FLUID COULD LEAD TO A CHANGE IN BRAKE PEDAL FEEL AND OVERTIME A DEGRADATION IN BRAKING PERFORMANCE INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL REPLACE THE SEAL WITH A NEWLY DESIGNED ONE. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN ON NOVEMBER 15, 2010. OWNERS MAY CONTACT TOYOTA AT 1-800-331-4331 AND LEXUS AT 1-800-255-3987.

Campaign #09V020000·2009-01-16
critical
Component: ENGINE AND ENGINE COOLING

TOYOTA IS RECALLING 214,570 MY 2006-2008 LEXUS IS, MY 2006-2007 GS AND MY 2007-2008 LS PASSENGER VEHICLES EQUIPPED WITH ALUMINUM FUEL DELIVERY PIPES (FUEL RAILS). ETHANOL FUELS WITH A LOW MOISTURE CONTENT WILL CORRODE THE INTERNAL SURFACE OF THE FUEL RAILS. AS THIS CONDITION PROGRESSES, THE ENGINE MALFUNCTION INDICATOR LIGHT MAY ILLUMINATE.

Consequence & Remedy

Consequence: OVER TIME, THE CORROSION MAY CREATE A PINHOLE RESULTING IN FUEL LEAKAGE. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.

Remedy: DEALERS WILL INSPECT AND REPLACE THE FUEL DELIVERY PIPES FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING FEBRUARY 2009. OWNERS MAY CONTACT TOYOTA/LEXUS AT 1-800-255-3987.

Campaign #07V545000·2007-12-15
critical
Component: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

ON CERTAIN VEHICLES, HIGH STRESS AREAS MAY HAVE BEEN CREATED IN TWO SPECIFIC FUEL PIPES LOCATED IN THE ENGINE COMPARTMENT. COMBINED WITH OTHER FACTORS SUCH AS THE PRESENCE OF CORROSIVE AGENTS IN FUEL, A CRACK MAY FORM OVER TIME LEADING TO FUEL LEAKAGE FROM THE FUEL LINE(S).

Consequence & Remedy

Consequence: FUEL LEAKAGE IN THE PRESENCE OF AN IGNITION SOURCE COULD RESULT IN A FIRE.

Remedy: DEALERS WILL REPLACE THE TWO INVOLVED FUEL LINES WITH NEWLY DESIGNED LINES FREE OF CHARGE. THE RECALL BEGAN ON DECEMBER 15, 2007. OWNERS MAY CONTACT LEXUS AT 1-800-255-3987.

Campaign #06V121000·2006-04-21
critical
Component: SEAT BELTS:FRONT

ON CERTAIN PASSENGER VEHICLES, IF THE FRONT SEAT BELT RETRACTORS (BOTH DRIVER AND FRONT PASSENGER) BECOME LOCKED, THEY MAY NOT RELEASE DUE TO A COMPONENT OF THE EMERGENCY LOCKING SYSTEM. IF THE SEAT BELT IS LOCKED IN THIS CONDITION, THE OCCUPANT MAY NOT BE ABLE TO PROPERLY FASTEN THE SEAT BELT.

Consequence & Remedy

Consequence: AN OCCUPANT NOT PROPERLY WEARING A SEAT BELT MAY HAVE AN INCREASED RISK OF INJURY DURING A CRASH.

Remedy: DEALERS WILL REPLACE THE FRONT SEAT BELT ASSEMBLIES. THE RECALL BEGAN ON APRIL 21, 2006. OWNERS MAY CONTACT LEXUS AT 1-800-255-3987.

Campaign #06V096000·2006-04-06
critical
Component: AIR BAGS

ON CERTAIN VEHICLES, DUE TO IMPROPER ASSEMBLY OF THE AIR BAG INFLATOR, WHICH IS USED IN THE SIDE AIR BAG, THE CURTAIN SHIELD AIR BAG, AND THE KNEE AIR BAG ASSEMBLY, SOME INFLATORS WERE PRODUCED WITH AN INSUFFICIENT AMOUNT OF THE HEATING AGENTS NECESSARY FOR PROPER AIR BAG DEPLOYMENT. IN THIS CONDITION, THE EXPANSION FORCE OF THE GAS MAY BE INSUFFICIENT TO PROPERLY INFLATE THE AIR BAG WHEN THE SRS SYSTEM IS ACTIVATED DURING A CRASH.

Consequence & Remedy

Consequence: THIS MAY INCREASE THE RISK OF INJURY TO THE OCCUPANT IN THE INVOLVED SEATING POSITION IN THE EVENT OF A CRASH.

Remedy: DEALERS WILL REPLACE THE SPECIFIC SRS AIR BAG. THE RECALL BEGAN ON APRIL 6, 2006. OWNERS MAY CONTACT TOYOTA AT 1-888-270-9371, SCION AT 1-866-548-1851, OR LEXUS AT 1-800-255-3987.

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Looking for comprehensive historical data?

NHTSA FARS (Fatal Crash History) and broader generational safety trends are aggregated at the model level rather than by specific engine configurations. View the complete historical data profile for all Lexus GS 300/GS 430 configurations.

View Model History

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Fuel Cost Analysis

Annual Fuel Cost$3,150
vs. Avg Vehicle (5 yrs)Save $5,000

Based on 15,000 miles/year and current fuel prices.

Efficiency Breakdown

City19 MPG
Highway27 MPG
Combined22 MPG

Estimated Lifetime Carbon Footprint

(Based on 200,000 miles driven)

80.8 metric tons CO₂
Equivalent To:
🌳 100 tree seedlings grown for 10 yrs
✈️ 6.7 cross-country flights/yr

Data Provenance

Data directly from the EPA National Vehicle and Fuel Emissions Laboratory. The combined rating is a weighted average (55% city, 45% highway). For official figures, visit fueleconomy.gov.