2015 Lexus LS EPA Fuel Economy Summary

The 2015 Lexus LS delivers an EPA-certified 18–20 MPG combined (16–19 city / 23–24 highway depending on engine and drivetrain) across 5 configurations. Hybrid variants achieve up to 20 MPG combined, compared to 19 MPG for standard gasoline trims. Estimated annual fuel costs range from $3,800 to $4,200.

Combined MPG
18–20 MPG
55% city / 45% highway weighted
City MPG
16–19 MPG
Stop-and-go urban cycle
Highway MPG
23–24 MPG
Sustained open-highway test
Annual Fuel Cost
$3,800–4,200
EPA estimate @ 15,000 miles/yr

2015 Lexus LS Powertrain & Efficiency Comparison

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

Internal Combustion

Standard Gasoline Trims

18–19 MPG Combined

Annual Fuel Cost: $4,000–$4,200 (4 configurations)

Gas-Electric Hybrid

Hybrid (HEV) Trims

20–20 MPG Combined

Annual Fuel Cost: $3,800–$3,800 (Saves ~$200/yr vs gas)

Official EPA Fuel Economy Ratings by Configuration (5 Variants)

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

Configuration / Model Powertrain Drivetrain Transmission City Highway Combined Annual Fuel Cost CO2 (g/mi)
LS 460 Premium 4.6L 8-Cyl Gas Rear-Wheel Drive Automatic (S8) 16 MPG 24 MPG 19 MPG $4,000 —
LS 460 L Premium 4.6L 8-Cyl Gas Rear-Wheel Drive Automatic (S8) 16 MPG 24 MPG 19 MPG $4,000 —
LS 460 AWD Premium 4.6L 8-Cyl Gas All-Wheel Drive Automatic (S8) 16 MPG 23 MPG 18 MPG $4,200 —
LS 460 L AWD Premium 4.6L 8-Cyl Gas All-Wheel Drive Automatic (S8) 16 MPG 23 MPG 18 MPG $4,200 —
LS 600h L Premium 5L Hybrid All-Wheel Drive Automatic (AV-S8) 19 MPG 23 MPG 20 MPG $3,800 —
EPA Test Methodology: Fuel economy estimates are determined by vehicle manufacturers in accordance with EPA regulations (40 CFR Part 600) and verified by EPA laboratories. Estimates assume 15,000 miles per year of driving (55% city, 45% highway) at prevailing fuel and electricity prices.

Deterministic Fuel Cost & Consumption Benchmarks

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

Fuel Cost per 25 Miles

$4.38–$4.86

Based on $3.50 per gallon regular gasoline

Annual Fuel Consumption

750–833 Gallons

Estimated annual energy units needed for 15,000 miles

5-Year Fuel Cost vs Avg Vehicle

Official EPA Benchmark

Compared to the average new vehicle over 5 years

Related Official Reports for 2015 Lexus LS

Cross-reference safety ratings, owner defect complaints, and recall campaigns

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.

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