The 2021 Ford Mustang delivers an EPA-certified 14–25 MPG combined across 23 configurations. Estimated annual fuel costs range from $750 to $5,450.
Factual efficiency differences across gasoline, hybrid, plug-in hybrid, and electric variants
Annual Fuel Cost: $2,450–$5,450.
Annual Energy Cost: $750–$5,450.
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) |
|---|---|---|---|---|---|---|---|---|---|
| Mustang Mach-E RWD California Route 1 Electricity | Electric (BEV) | Rear-Wheel Drive | Automatic (A1) | 108 MPGe | 94 MPGe | 101 MPGe | 305 mi | $750 | — |
| Mustang Mach-E RWD Electricity | Electric (BEV) | Rear-Wheel Drive | Automatic (A1) | 105 MPGe | 93 MPGe | 100 MPGe | 230 mi | $750 | — |
| Mustang Mach-E RWD Extended Electricity | Electric (BEV) | Rear-Wheel Drive | Automatic (A1) | 104 MPGe | 90 MPGe | 97 MPGe | 300 mi | $800 | — |
| Mustang Mach-E AWD Electricity | Electric (BEV) | All-Wheel Drive | Automatic (A1) | 100 MPGe | 86 MPGe | 93 MPGe | 211 mi | $800 | — |
| Mustang Mach-E AWD Extended Electricity | Electric (BEV) | All-Wheel Drive | Automatic (A1) | 96 MPGe | 84 MPGe | 90 MPGe | 270 mi | $850 | — |
| Mustang Mach-E GT Electricity | Electric (BEV) | All-Wheel Drive | Automatic (A1) | 90 MPGe | 77 MPGe | 84 MPGe | 270 mi | $900 | — |
| Mustang Mach-E GT Performance Electricity | Electric (BEV) | All-Wheel Drive | Automatic (A1) | 88 MPGe | 75 MPGe | 82 MPGe | 260 mi | $950 | — |
| Mustang Regular | 2.3L 4-Cyl Gas | Rear-Wheel Drive | Automatic (S10) | 21 MPG | 32 MPG | 25 MPG | — | $2,450 | — |
| Mustang Regular | 2.3L 4-Cyl Gas | Rear-Wheel Drive | Automatic 10-spd | 21 MPG | 32 MPG | 25 MPG | — | $2,450 | — |
| Mustang Regular | 2.3L 4-Cyl Gas | Rear-Wheel Drive | Manual 6-spd | 21 MPG | 29 MPG | 24 MPG | — | $2,550 | — |
| Mustang HO Coupe Regular | 2.3L 4-Cyl Gas | Rear-Wheel Drive | Automatic (S10) | 20 MPG | 27 MPG | 23 MPG | — | $2,650 | — |
| Mustang Convertible Regular | 2.3L 4-Cyl Gas | Rear-Wheel Drive | Manual 6-spd | 20 MPG | 27 MPG | 23 MPG | — | $2,650 | — |
| Mustang Convertible Regular | 2.3L 4-Cyl Gas | Rear-Wheel Drive | Automatic (S10) | 20 MPG | 28 MPG | 23 MPG | — | $2,650 | — |
| Mustang Convertible Regular | 2.3L 4-Cyl Gas | Rear-Wheel Drive | Automatic 10-spd | 20 MPG | 28 MPG | 23 MPG | — | $2,650 | — |
| Mustang HO Coupe Regular | 2.3L 4-Cyl Gas | Rear-Wheel Drive | Manual 6-spd | 20 MPG | 27 MPG | 22 MPG | — | $2,800 | — |
| Mustang HO Convertible Regular | 2.3L 4-Cyl Gas | Rear-Wheel Drive | Automatic (S10) | 19 MPG | 26 MPG | 22 MPG | — | $2,800 | — |
| Mustang HO Convertible Regular | 2.3L 4-Cyl Gas | Rear-Wheel Drive | Manual 6-spd | 19 MPG | 25 MPG | 21 MPG | — | $2,950 | — |
| Mustang Regular | 5L 8-Cyl Gas | Rear-Wheel Drive | Automatic (S10) | 15 MPG | 24 MPG | 19 MPG | — | $3,250 | — |
| Mustang Mach 1 Regular | 5L 8-Cyl Gas | Rear-Wheel Drive | Automatic (S10) | 15 MPG | 23 MPG | 18 MPG | — | $3,400 | — |
| Mustang Regular | 5L 8-Cyl Gas | Rear-Wheel Drive | Manual 6-spd | 15 MPG | 24 MPG | 18 MPG | — | $3,400 | — |
| Mustang Convertible Regular | 5L 8-Cyl Gas | Rear-Wheel Drive | Automatic (S10) | 15 MPG | 23 MPG | 18 MPG | — | $3,400 | — |
| Mustang Mach 1 Regular | 5L 8-Cyl Gas | Rear-Wheel Drive | Manual 6-spd | 14 MPG | 22 MPG | 17 MPG | — | $3,600 | — |
| Shelby GT500 Mustang Premium | 5.2L 8-Cyl Gas | Rear-Wheel Drive | Automatic (AM7) | 12 MPG | 18 MPG | 14 MPG | — | $5,450 | — |
Standardized annual energy consumption and operating cost metrics based on 15,000 annual miles
Based on $3.50 per gallon regular gasoline
Estimated annual energy units needed for 15,000 miles
Compared to the average new vehicle over 5 years
Cross-reference safety ratings, owner defect complaints, and recall campaigns
Vehicle summary, specifications, and primary KPI metrics.
NHTSA 5-Star NCAP crash tests, rollover risk, and active driver assistance.
NHTSA consumer defect complaint filings by affected component.
Official safety recall notices, defects, and free repair instructions.
Direct, deterministic answers synthesized from verified United States government databases for the 2021 Ford Mustang
The 2021 Ford Mustang achieves an EPA-certified rating of 14 to 25 MPG combined across 23 certified configuration(s).
City ratings range from 12 to 25 MPG, and highway ratings range from 14 to 32 MPG.
Using AutoUtility's standardized operating cost model, estimated annual fueling and energy costs range between $750 and $5,450 for the 2021 Ford Mustang.
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.
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.