2006 Mercedes-Benz E320 CdiFuel Economy & MPG Ratings
Diesel Midsize CarsRear-Wheel Drive
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City
23
MPG
Highway
33
MPG
Combined
27
MPG
Real-World MPG
Based on 15 owner reports via EPA fueleconomy.gov
32.2MPG average+19.4% vs EPA label
EPA combined: 27 MPG · Owner reported avg: 32.2 MPG
Range: 27–38 MPG
Driving mix: City 35% / Highway 65%
Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.
Owner reported MPG for this vehicle averages 32.2 real world MPG based on 15 owner reports. EPA combined rating is 27 MPG.
Trim Comparison
Automatic 5-spd
Diesel Diesel
City
23
Hwy
33
Comb
27
Fuel cost: $3,150/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic 5-spd | Diesel Diesel | 23 | 33 | 27 | $3,150 |
Annual Fuel Cost
$3,150
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-3,750
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 377 g/mile
- Annual Petroleum Consumption
- 13.2 barrels
Specifications
- Engine
- 3.2L 6-cyl
- Transmission
- 5-speed Automatic
- Drivetrain
- RWD
- 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
- 3.2L, 6-cylinder
- Fuel Type
- Diesel
Annual Fuel Cost by State
Prices as of week ending May 18, 2026 · Source: EIA
National AvgEPA default
$4.490/gal$2,494/yr
California
$5.957/gal$3,309/yr
Texas
$3.888/gal$2,160/yr
Florida
$4.136/gal$2,298/yr
New York
$4.522/gal$2,512/yr
Ohio
$4.510/gal$2,506/yr
Washington
$5.591/gal$3,106/yr
Colorado
$4.618/gal$2,566/yr
Minnesota
$4.344/gal$2,413/yr
Massachusetts
$4.448/gal$2,471/yr
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $2,494/yr | — |
| California | $5.957/gal | $3,309/yrHIGHEST | +$815 |
| Texas | $3.888/gal | $2,160/yrLOWEST | $-334 |
| Florida | $4.136/gal | $2,298/yr | $-196 |
| New York | $4.522/gal | $2,512/yr | +$18 |
| Ohio | $4.510/gal | $2,506/yr | +$12 |
| Washington | $5.591/gal | $3,106/yr | +$612 |
| Colorado | $4.618/gal | $2,566/yr | +$72 |
| Minnesota | $4.344/gal | $2,413/yr | $-81 |
| Massachusetts | $4.448/gal | $2,471/yr | $-23 |
Calculated at 15,000 miles/year (EPA standard assumption) using 27 MPG combined. Regular gasoline prices. Actual costs vary.
Related
Mercedes-Benz E320 Cdi MPG History
See how this model's fuel economy changed by year