2018 BMW 640i xDrive Gran CoupeFuel Economy & MPG Ratings
Gasoline Compact CarsAll-Wheel Drive
City
19
MPG
Highway
28
MPG
Combined
22
MPG
Trim Comparison
Automatic (S8)
Premium
City
19
Hwy
28
Comb
22
Fuel cost: $3,700/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic (S8) | Premium | 19 | 28 | 22 | $3,700 |
Annual Fuel Cost
$3,700
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-6,500
vs. average new vehicle
EPA Fuel Economy Score: 4/10
GHG Score: 4/10
Environment
- CO₂ Tailpipe Emissions
- 396 g/mile
- Annual Petroleum Consumption
- 13.5 barrels
Specifications
- Engine
- 3L 6-cyl
- Transmission
- 8-speed 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
- 3L, 6-cylinder
- Induction Type
- Direct Injection
- 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$3,061/yr
California
$5.957/gal$4,062/yr
Texas
$3.888/gal$2,651/yr
Florida
$4.136/gal$2,820/yr
New York
$4.522/gal$3,083/yr
Ohio
$4.510/gal$3,075/yr
Washington
$5.591/gal$3,812/yr
Colorado
$4.618/gal$3,149/yr
Minnesota
$4.344/gal$2,962/yr
Massachusetts
$4.448/gal$3,033/yr
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $3,061/yr | — |
| California | $5.957/gal | $4,062/yrHIGHEST | +$1,001 |
| Texas | $3.888/gal | $2,651/yrLOWEST | $-410 |
| Florida | $4.136/gal | $2,820/yr | $-241 |
| New York | $4.522/gal | $3,083/yr | +$22 |
| Ohio | $4.510/gal | $3,075/yr | +$14 |
| Washington | $5.591/gal | $3,812/yr | +$751 |
| Colorado | $4.618/gal | $3,149/yr | +$88 |
| Minnesota | $4.344/gal | $2,962/yr | $-99 |
| Massachusetts | $4.448/gal | $3,033/yr | $-28 |
Calculated at 15,000 miles/year (EPA standard assumption) using 22 MPG combined. Regular gasoline prices. Actual costs vary.
Related
BMW 640i xDrive Gran Coupe MPG History
See how this model's fuel economy changed by year