2023 Lexus IS 350Fuel Economy & MPG Ratings

Gasoline Compact CarsRear-Wheel Drive
City
20
MPG
Highway
28
MPG
Combined
23
MPG

Trim Comparison

Automatic (S8)
Premium
City
20
Hwy
28
Comb
23
Fuel cost: $3,550/yr
Annual Fuel Cost
$3,550

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$-5,750

vs. average new vehicle

EPA Fuel Economy Score: 5/10
GHG Score: 5/10

Environment

CO₂ Tailpipe Emissions
385 g/mile
Annual Petroleum Consumption
12.9 barrels

Specifications

Engine
3.5L 6-cyl
Transmission
8-speed Automatic
Drivetrain
RWD
Body Style
Sedan
GVWR
Class 1 (≤6,000 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
3.5L, 6-cylinder
Induction Type
Direct Injection
Fuel Type
Premium Gasoline

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$2,928/yr
California
$5.957/gal$3,885/yr
Texas
$3.888/gal$2,536/yr
Florida
$4.136/gal$2,697/yr
New York
$4.522/gal$2,949/yr
Ohio
$4.510/gal$2,941/yr
Washington
$5.591/gal$3,646/yr
Colorado
$4.618/gal$3,012/yr
Minnesota
$4.344/gal$2,833/yr
Massachusetts
$4.448/gal$2,901/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 23 MPG combined. Regular gasoline prices. Actual costs vary.

NHTSA Safety Ratings

Source: NHTSA (nhtsa.gov)
Overall Safety Rating
5/5
2023 Lexus IS 350 4 DR AWD

Crash Test Scores

Front Crash — Overall
Front Crash — Driver Side
Front Crash — Passenger Side
Side Crash — Overall
Side Crash — Driver Side
Side Crash — Passenger Side
Side Pole Crash
Rollover
Rollover Probability9.5%

Safety Equipment

Forward Collision Warning: StandardLane Departure Warning: Standard
3
Owner Complaints
0
Recalls
0
Investigations

Recall History

Source: NHTSA

No recalls reported for this vehicle.

Owner-Reported Problems3 complaints

Source: NHTSA

NHTSA has received 3 owner complaints for the 2023 Lexus IS 350. Top reported issues include power train, structure and visibility / wipers. The data below is sourced from consumer complaints filed directly with NHTSA.

Problems by System / Component

Power Train
1
Structure
1
Visibility / Wipers
1

2023 Lexus IS 350 problems by category: Power Train: 1 complaints, Structure: 1 complaints, Visibility / Wipers: 1 complaints.

Sample Owner Complaints

StructureFiled: 02/13/2026ODI#11717863
I am reporting a recurring front bumper cracking and separation issue on my Lexus IS 500. A crack developed at the front bumper seam directly adjacent to the passenger-side headlight assembly. The cr…
Visibility / WipersFiled: 02/08/2024ODI#11570824
The contact owns a 2023 Lexus IS350. The contact stated that while driving at an undisclosed speed, the moon roof suddenly shattered, raining glass into the interior of the vehicle. The vehicle was no…
Power TrainFiled: 08/17/2023ODI#11539244
During driving an issue arose where the acceleration had to be performed in order to avoid a potential accident. The gas pedal vas depressed but the transmission would not downshift or accelerate. A…

Complaint data is sourced from the NHTSA Complaints Database. Reports are filed by vehicle owners and may not reflect confirmed defects. Last updated via NHTSA API.

Related

Lexus IS 350 MPG History
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