2015 Jaguar XJ EPA Fuel Economy Summary

The 2015 Jaguar XJ delivers an EPA-certified 18–21 MPG combined (15–18 city / 23–27 highway depending on engine and drivetrain) across 8 configurations. Estimated annual fuel costs range from $3,600 to $4,200.

Combined MPG
18–21 MPG
55% city / 45% highway weighted
City MPG
15–18 MPG
Stop-and-go urban cycle
Highway MPG
23–27 MPG
Sustained open-highway test
Annual Fuel Cost
$3,600–4,200
EPA estimate @ 15,000 miles/yr

Official EPA Fuel Economy Ratings by Configuration (8 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)
XJ FFV Premium or E85 3L 6-Cyl Gas Rear-Wheel Drive Automatic (S8) 18 MPG 27 MPG 21 MPG $3,600 —
XJL FFV Premium or E85 3L 6-Cyl Gas Rear-Wheel Drive Automatic (S8) 17 MPG 27 MPG 20 MPG $3,800 —
XJ AWD Premium 3L 6-Cyl Gas All-Wheel Drive Automatic (S8) 16 MPG 24 MPG 19 MPG $4,000 —
XJL AWD Premium 3L 6-Cyl Gas All-Wheel Drive Automatic (S8) 16 MPG 24 MPG 19 MPG $4,000 —
XJ Premium 5L 8-Cyl Gas Rear-Wheel Drive Automatic (S8) 15 MPG 23 MPG 18 MPG $4,200 —
XJL Premium 5L 8-Cyl Gas Rear-Wheel Drive Automatic (S8) 15 MPG 23 MPG 18 MPG $4,200 —
XJ FFV Premium or E85 5L 8-Cyl Gas Rear-Wheel Drive Automatic (S8) 15 MPG 23 MPG 18 MPG $4,200 —
XJL FFV Premium or E85 5L 8-Cyl Gas Rear-Wheel Drive Automatic (S8) 15 MPG 23 MPG 18 MPG $4,200 —
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

$4.17–$4.86

Based on $3.50 per gallon regular gasoline

Annual Fuel Consumption

714–833 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 Jaguar XJ

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.