2021 Lamborghini Aventador Sian RoadsterFuel Economy & MPG Ratings
Gasoline Two SeatersAll-Wheel Drive
City
8
MPG
Highway
14
MPG
Combined
10
MPG
Trim Comparison
Automatic (AM-S7)
Premium
City
8
Hwy
14
Comb
10
Fuel cost: $8,200/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic (AM-S7) | Premium | 8 | 14 | 10 | $8,200 |
Annual Fuel Cost
$8,200
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-29,000
vs. average new vehicle
EPA Fuel Economy Score: 1/10
GHG Score: 1/10
Environment
- CO₂ Tailpipe Emissions
- 867 g/mile
- Annual Petroleum Consumption
- 29.8 barrels
Specifications
- Engine
- 6.5L 12-cyl
- Transmission
- Automatic
- Drivetrain
- AWD
- Body Style
- Sedan
- GVWR
- Class 1 (≤6,000 lbs)
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 6.5L, 12-cylinder
- Efficiency Tech
- Auto Start-Stop
- Fuel Type
- Premium Gasoline
Annual Fuel Cost by State
Prices as of week ending May 18, 2026 · Source: EIA
National AvgEPA default
$4.490/gal$6,735/yr
California
$5.957/gal$8,936/yr
Texas
$3.888/gal$5,832/yr
Florida
$4.136/gal$6,204/yr
New York
$4.522/gal$6,783/yr
Ohio
$4.510/gal$6,765/yr
Washington
$5.591/gal$8,387/yr
Colorado
$4.618/gal$6,927/yr
Minnesota
$4.344/gal$6,516/yr
Massachusetts
$4.448/gal$6,672/yr
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $6,735/yr | — |
| California | $5.957/gal | $8,936/yrHIGHEST | +$2,201 |
| Texas | $3.888/gal | $5,832/yrLOWEST | $-903 |
| Florida | $4.136/gal | $6,204/yr | $-531 |
| New York | $4.522/gal | $6,783/yr | +$48 |
| Ohio | $4.510/gal | $6,765/yr | +$30 |
| Washington | $5.591/gal | $8,387/yr | +$1,652 |
| Colorado | $4.618/gal | $6,927/yr | +$192 |
| Minnesota | $4.344/gal | $6,516/yr | $-219 |
| Massachusetts | $4.448/gal | $6,672/yr | $-63 |
Calculated at 15,000 miles/year (EPA standard assumption) using 10 MPG combined. Regular gasoline prices. Actual costs vary.
Recall History
Source: NHTSA✓No recalls reported for this vehicle.
Related
Lamborghini Aventador Sian Roadster MPG History
See how this model's fuel economy changed by year