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Combined MPG
21–25 MPG
55% city / 45% highway weighted
City Driving Rating
17–22 MPG
Stop-and-go urban cycle
Highway Driving Rating
27–29 MPG
Sustained open-highway test
Annual Fuel Cost
$600–3,600
EPA estimate @ 15,000 miles/yr
Laboratory Fuel Economy Certification

Executive Efficiency Findings

The 2025 Lexus LS delivers an EPA-certified 21–25 MPG combined across 8 configurations. Hybrid variants achieve up to 25 MPG combined, compared to 22 MPG for standard gasoline trims. Estimated annual fuel costs range from $600 to $3,600.

EPA Testing Standards: Ratings derived from official dynamometer laboratory tests under 40 CFR Part 600. Real-world fuel economy varies based on driving style, ambient temperature, cargo payload, and terrain.
Certified Powertrain Attributes
  • • Certified Configurations: 8 trim and powertrain permutation(s).
  • • Combined Rating Range: 21–25 MPG.
  • • Hybrid Efficiency: Up to 25 MPG combined.
  • • Annual Energy Cost: $600–3,600 (15k mi/yr).
Electrification Analysis

2025 Lexus LS Powertrain & Efficiency Comparison

Factual efficiency differences across gasoline, hybrid, plug-in hybrid, and electric variants

GASOLINE 2 TRIMS

Standard Gasoline

21–22 MPG

Annual Fuel Cost: $3,450–$3,600.

EPA Certified
HYBRID 2 TRIMS

Gas-Electric Hybrid (HEV)

25–25 MPG

Annual Fuel Cost: $3,050–$3,050 (saves vs gas).

Self-Charging Hybrid
ELECTRIC 4 TRIMS

Battery Electric (BEV)

196–266 mi Range • 125 MPGe

Annual Energy Cost: $600–$3,600.

Zero Tailpipe Emissions
Certified Ratings Matrix

Official EPA Fuel Economy Ratings by Configuration (8)

Laboratory certification test values across engine, transmission, and drivetrain permutations

Configuration / Model Powertrain Drivetrain Transmission City Highway Combined EV Range Annual Fuel Cost CO2 (g/mi)
RZ 300e (18 inch wheels) Electricity Electric (BEV) Front-Wheel Drive Automatic (A1) 137 MPGe 112 MPGe 125 MPGe 266 mi $600 —
RZ 450e AWD (18 inch wheels) Electricity Electric (BEV) All-Wheel Drive Automatic (A1) 115 MPGe 98 MPGe 107 MPGe 220 mi $700 —
RZ 300e (20 inch wheels) Electricity Electric (BEV) Front-Wheel Drive Automatic (A1) 114 MPGe 96 MPGe 105 MPGe 224 mi $700 —
RZ 450e AWD (20 inch wheels) Electricity Electric (BEV) All-Wheel Drive Automatic (A1) 102 MPGe 87 MPGe 95 MPGe 196 mi $800 —
LS 500h AWD Premium 3.5L Hybrid All-Wheel Drive Automatic (AV-S10) 22 MPG 29 MPG 25 MPG — $3,050 —
LS 500h AWD Premium 3.5L Hybrid All-Wheel Drive Automatic (AV-S10) 22 MPG 29 MPG 25 MPG — $3,050 —
LS 500 Premium 3.4L 6-Cyl Gas Rear-Wheel Drive Automatic (S10) 18 MPG 29 MPG 22 MPG — $3,450 —
LS 500 AWD Premium 3.4L 6-Cyl Gas All-Wheel Drive Automatic (S10) 17 MPG 27 MPG 21 MPG — $3,600 —
Operating Cost Economics

Standardized Energy Cost & Consumption Benchmarks

Standardized annual energy consumption and operating cost metrics based on 15,000 annual miles

ENERGY UNIT 25 MI

Fuel Cost per 25 Miles

$3.50–$4.17

Based on $3.50 per gallon regular gasoline

ANNUAL TOTAL 15K MI

Annual Fuel Consumption

600–714 Gal

Estimated annual energy units needed for 15,000 miles

5-YEAR VALUE SAVINGS

5-Year Fuel Cost vs Avg Vehicle

EPA Benchmark

Compared to the average new vehicle over 5 years

Search Intelligence

Quick Answers: EPA Fuel Economy, Electric Range & Energy Costs for the 2025 Lexus LS

Direct, deterministic answers synthesized from verified United States government databases for the 2025 Lexus LS

What gas mileage (MPG) does the 2025 Lexus LS get?

The 2025 Lexus LS achieves an EPA-certified rating of 21 to 25 MPG combined across 8 certified configuration(s).

City ratings range from 17 to 25 MPG, and highway ratings range from 21 to 29 MPG.

Source: EPA FuelEconomy.gov (40 CFR Part 600)

How much better is hybrid MPG on the 2025 Lexus LS?

Hybrid (HEV) models achieve up to 25 MPG combined, delivering approximately 3 more miles per gallon than standard gasoline configurations (up to 22 MPG combined).

Gas-electric hybrid variants use regenerative braking and electric assist motors to reduce fuel consumption in stop-and-go city driving.

Source: EPA Certified Ratings Comparison

What is the estimated annual fuel or energy cost for the 2025 Lexus LS?

Using AutoUtility's standardized operating cost model, estimated annual fueling and energy costs range between $600 and $3,600 for the 2025 Lexus LS.

Calculated under AutoUtility's standardized methodology (15,000 miles per year, 55% city / 45% highway driving, $3.50/gallon regular gasoline, $0.16/kWh electricity) using official EPA dynamometer consumption ratings.

Source: AutoUtility Operating Cost Model (EPA-Certified Baseline)
Official US Government Data Provenance

Fuel economy ratings, electric range figures, and energy cost estimates on this page are retrieved directly from the United States Environmental Protection Agency (EPA) and U.S. Department of Energy (FuelEconomy.gov) certified vehicle database under 40 CFR Part 600.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.