Tank Ledger

Lexus GS 300/GS 430 MPG by year — every rating on record

The Lexus GS 300/GS 430 has a combined EPA fuel economy rating for 6 model years, from 2001 to 2006. Across those years its best rated version returned 22 mpg (2006) and its thirstiest returned 18 mpg (2001). The EPA record holds 12 configurations for this nameplate, most recently a Midsize Cars.

22best combined mpg (2006)
18worst combined mpg (2001)
22latest year best (2006)
12configurations on record

Year-by-year EPA ratings

Model yearConfigurationsBest combinedWorst combinedClass rank that yearDrivetrainsFuelEPA class
2001218 mpg18 mpg#47 of 54 (13th pct)Rear-Wheel DrivePremiumMidsize Cars
2002219 mpg18 mpg#34 of 52 (35th pct)Rear-Wheel DrivePremiumMidsize Cars
2003219 mpg18 mpg#32 of 46 (31th pct)Rear-Wheel DrivePremiumMidsize Cars
2004219 mpg18 mpg#43 of 55 (22th pct)Rear-Wheel DrivePremiumMidsize Cars
2005219 mpg18 mpg#43 of 56 (24th pct)Rear-Wheel DrivePremiumMidsize Cars
2006222 mpg19 mpg#20 of 61 (68th pct)Rear-Wheel DrivePremiumMidsize Cars

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The Lexus GS 300/GS 430 placed highest in 2006 at #20 of 61, and lowest in 2001 at #47 of 54. It spent 1 of its 6 ranked years in the top half of its class.

Every configuration on record

All 12 configurations EPA lists for this nameplate, newest first.

YearConfigurationEngine detailCityHighwayCombinedGallons/yrBarrels/yrEPA fuel cost/yrCO2 g/miGHG
20064.3L 8-cyl Rear-Wheel Drive Automatic (S6) Premium4.3L 8-cyl162319605.315.7$4,100467.7368421052632n/a
20063.0L 6-cyl Rear-Wheel Drive Automatic (S6) Premium3.0L 6-cyl192722522.713.5$3,500403.95454545454544n/a
20054.3L 8-cyl Rear-Wheel Drive Automatic 5-spd Premium4.3L 8-cyl162218638.916.5$4,300493.72222222222223n/a
20053.0L 6-cyl Rear-Wheel Drive Automatic (S5) Premium3.0L 6-cyl162319605.315.7$4,100467.7368421052632n/a
20044.3L 8-cyl Rear-Wheel Drive Automatic 5-spd Premium4.3L 8-cyl162218638.916.5$4,300493.72222222222223n/a
20043.0L 6-cyl Rear-Wheel Drive Automatic (S5) Premium3.0L 6-cyl162319605.315.7$4,100467.7368421052632n/a
20034.3L 8-cyl Rear-Wheel Drive Automatic 5-spd Premium4.3L 8-cyl162218638.916.5$4,300493.72222222222223n/a
20033.0L 6-cyl Rear-Wheel Drive Automatic (S5) Premium3.0L 6-cyl162319605.315.7$4,100467.7368421052632n/a
20024.3L 8-cyl Rear-Wheel Drive Automatic 5-spd Premium4.3L 8-cyl162118638.916.5$4,300493.72222222222223n/a
20023.0L 6-cyl Rear-Wheel Drive Automatic (S5) Premium3.0L 6-cyl162319605.315.7$4,100467.7368421052632n/a
20013.0L 6-cyl Rear-Wheel Drive Automatic (S5) Premium3.0L 6-cyl162218638.916.5$4,300493.72222222222223n/a
20014.3L 8-cyl Rear-Wheel Drive Automatic 5-spd Premium4.3L 8-cyl162118638.916.5$4,300493.72222222222223n/a

How the rating has moved between model years

Comparing the best-rated configuration of each year. 2 of 2 year-over-year steps improved the top rating.

ChangeBest combinedDeltaGallons a year at the newer rating
2001 → 200218 → 19 mpg+1 mpg605 gal
2005 → 200619 → 22 mpg+3 mpg523 gal

What GS 300/GS 430 fuel costs over a year

At the EPA's 11,500 miles a year, the 2006 Lexus GS 300/GS 430 burns 523 to 605 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.

Pump priceMost efficientThirstiestSpread
$3.00/gal$1,568$1,816$248
$3.50/gal$1,830$2,118$289
$4.00/gal$2,091$2,421$330

EPA’s own estimate for the 2006 model year is $3,500 to $4,100 a year in fuel, or $6,250 more than the average new vehicle over five years.

How it compares with other Midsize Cars

Across the 483 nameplates EPA classifies as Midsize Cars, the median best combined rating is 25 mpg. At 22 mpg the Lexus GS 300/GS 430 is 3 mpg below the median, which is worth about $220 a year at $3.50 a gallon.

Other Lexus nameplates

Every Lexus model compared → — all nameplates ranked by best combined rating, with what each one costs a year.