2020 Hyundai Sonata EPA Fuel Economy Summary

The 2020 Hyundai Sonata delivers an EPA-certified 31–52 MPG combined (27–50 city / 36–54 highway depending on engine and drivetrain) across 5 configurations. Hybrid variants achieve up to 52 MPG combined, compared to 32 MPG for standard gasoline trims. Estimated annual fuel costs range from $1,200 to $2,000.

Combined MPG
31–52 MPG
55% city / 45% highway weighted
City MPG
27–50 MPG
Stop-and-go urban cycle
Highway MPG
36–54 MPG
Sustained open-highway test
Annual Fuel Cost
$1,200–2,000
EPA estimate @ 15,000 miles/yr

2020 Hyundai Sonata Powertrain & Efficiency Comparison

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

Internal Combustion

Standard Gasoline Trims

31–32 MPG Combined

Annual Fuel Cost: $1,900–$2,000 (3 configurations)

Gas-Electric Hybrid

Hybrid (HEV) Trims

47–52 MPG Combined

Annual Fuel Cost: $1,200–$1,300 (Saves ~$700/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)
Sonata Hybrid Blue Regular 2L Hybrid Front-Wheel Drive Automatic (AM-S6) 50 MPG 54 MPG 52 MPG $1,200 —
Sonata Hybrid Regular 2L Hybrid Front-Wheel Drive Automatic (AM-S6) 45 MPG 51 MPG 47 MPG $1,300 —
Sonata Regular 2.5L 4-Cyl Gas Front-Wheel Drive Automatic (S8) 28 MPG 38 MPG 32 MPG $1,900 —
Sonata Regular 2.5L 4-Cyl Gas Front-Wheel Drive Automatic (S8) 27 MPG 37 MPG 31 MPG $2,000 —
Sonata Regular 1.6L 4-Cyl Gas Front-Wheel Drive Automatic (S8) 27 MPG 36 MPG 31 MPG $2,000 —
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

$1.68–$2.82

Based on $3.50 per gallon regular gasoline

Annual Fuel Consumption

288–484 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 2020 Hyundai Sonata

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.