Lexus GS 450h MPG by year — every rating on record
The Lexus GS 450h has a combined EPA fuel economy rating for 11 model years, from 2007 to 2018. Across those years its best rated version returned 31 mpg (2013) and its thirstiest returned 23 mpg (2007). The EPA record holds 11 configurations for this nameplate, most recently a Midsize Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2007 | 1 | 23 mpg | 23 mpg | #20 of 47 (59th pct) | Rear-Wheel Drive | Premium | Compact Cars |
| 2008 | 1 | 23 mpg | 23 mpg | #22 of 55 (61th pct) | Rear-Wheel Drive | Premium | Compact Cars |
| 2009 | 1 | 23 mpg | 23 mpg | #25 of 54 (55th pct) | Rear-Wheel Drive | Premium | Compact Cars |
| 2010 | 1 | 23 mpg | 23 mpg | #32 of 59 (47th pct) | Rear-Wheel Drive | Premium | Compact Cars |
| 2011 | 1 | 23 mpg | 23 mpg | #37 of 64 (43th pct) | Rear-Wheel Drive | Premium | Compact Cars |
| 2013 | 1 | 31 mpg | 31 mpg | #26 of 92 (73th pct) | Rear-Wheel Drive | Premium | Midsize Cars |
| 2014 | 1 | 31 mpg | 31 mpg | #33 of 107 (70th pct) | Rear-Wheel Drive | Premium | Midsize Cars |
| 2015 | 1 | 31 mpg | 31 mpg | #31 of 101 (70th pct) | Rear-Wheel Drive | Premium | Midsize Cars |
| 2016 | 1 | 31 mpg | 31 mpg | #32 of 112 (72th pct) | Rear-Wheel Drive | Premium | Midsize Cars |
| 2017 | 1 | 31 mpg | 31 mpg | #37 of 110 (67th pct) | Rear-Wheel Drive | Premium | Midsize Cars |
| 2018 | 1 | 31 mpg | 31 mpg | #43 of 125 (66th pct) | Rear-Wheel Drive | Premium | Midsize 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 450h placed highest in 2007 at #20 of 47, and lowest in 2018 at #43 of 125. It spent 9 of its 11 ranked years in the top half of its class.
Every configuration on record
All 11 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | 3.5L 6-cyl Rear-Wheel Drive Automatic (AV-S8) Premium | SIDI & PFI, Hybrid, start-stop | 29 | 34 | 31 | 371.0 | 9.6 | $2,500 | 283 | 7/10 |
| 2017 | 3.5L 6-cyl Rear-Wheel Drive Automatic (AV-S8) Premium | SIDI & PFI, Hybrid, start-stop | 29 | 34 | 31 | 371.0 | 9.6 | $2,500 | 283 | 7/10 |
| 2016 | 3.5L 6-cyl Rear-Wheel Drive Automatic (AV-S8) Premium | SIDI & PFI, Hybrid, start-stop | 29 | 34 | 31 | 371.0 | 9.6 | $2,500 | 283 | 7/10 |
| 2015 | 3.5L 6-cyl Rear-Wheel Drive Automatic (AV-S8) Premium | SIDI & PFI, Hybrid, start-stop | 29 | 34 | 31 | 371.0 | 9.6 | $2,500 | 283 | 8/10 |
| 2014 | 3.5L 6-cyl Rear-Wheel Drive Automatic (AV-S8) Premium | SIDI & PFI, Hybrid, start-stop | 29 | 34 | 31 | 371.0 | 9.6 | $2,500 | 283 | 8/10 |
| 2013 | 3.5L 6-cyl Rear-Wheel Drive Automatic (AV-S6) Premium | 3.5L 6-cyl, Hybrid, start-stop | 29 | 34 | 31 | 371.0 | 9.6 | $2,500 | 283 | 8/10 |
| 2011 | 3.5L 6-cyl Rear-Wheel Drive Automatic (AV-S6) Premium | SIDI, Hybrid, start-stop | 22 | 25 | 23 | 500.0 | 12.9 | $3,350 | 386.39130434782606 | n/a |
| 2010 | 3.5L 6-cyl Rear-Wheel Drive Automatic (AV-S6) Premium | Hybrid; PR, Hybrid, start-stop | 22 | 25 | 23 | 500.0 | 12.9 | $3,350 | 386.39130434782606 | n/a |
| 2009 | 3.5L 6-cyl Rear-Wheel Drive Automatic (S6) Premium | HEV, Hybrid, start-stop | 22 | 25 | 23 | 500.0 | 12.9 | $3,350 | 386.39130434782606 | n/a |
| 2008 | 3.5L 6-cyl Rear-Wheel Drive Automatic (S6) Premium | HEV, Hybrid, start-stop | 22 | 25 | 23 | 500.0 | 12.9 | $3,350 | 386.39130434782606 | n/a |
| 2007 | 3.5L 6-cyl Rear-Wheel Drive Automatic (S6) Premium | HEV, Hybrid, start-stop | 22 | 25 | 23 | 500.0 | 12.9 | $3,350 | 386.39130434782606 | n/a |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 1 of 1 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2011 → 2013 | 23 → 31 mpg | +8 mpg | 371 gal |
What GS 450h fuel costs over a year
At the EPA's 11,500 miles a year, the 2018 Lexus GS 450h burns 371 to 371 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 price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,113 | $1,113 | $0 |
| $3.50/gal | $1,298 | $1,298 | $0 |
| $4.00/gal | $1,484 | $1,484 | $0 |
EPA’s own estimate for the 2018 model year is $2,500 to $2,500 a year in fuel, or $1,250 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 31 mpg the Lexus GS 450h is 6 mpg better the median, which is worth about $312 a year at $3.50 a gallon.
- All Midsize Cars rankings — every nameplate in the class, best to worst.
Other Lexus nameplates
Every Lexus model compared → — all nameplates ranked by best combined rating, with what each one costs a year.