2006 Pontiac Grand PrixFuel Economy & MPG Ratings
Gasoline Midsize CarsFront-Wheel Drive
City
18
MPG
Highway
28
MPG
Combined
21
MPG
Real-World MPG
Based on 10 owner reports via EPA fueleconomy.gov
22.8MPG average+8.5% vs EPA label
EPA combined: 21 MPG · Owner reported avg: 22.8 MPG
Range: 19–27 MPG
Driving mix: City 46% / Highway 55%
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 22.8 real world MPG based on 10 owner reports. EPA combined rating is 21 MPG.
Trim Comparison
Automatic 4-spd
Regular
City
18
Hwy
28
Comb
21
Fuel cost: $3,200/yr
Automatic 4-spd
Premium
City
17
Hwy
26
Comb
20
Fuel cost: $4,100/yr
Automatic (S4)
Premium
City
17
Hwy
26
Comb
20
Fuel cost: $4,100/yr
Automatic (S4)
Premium
City
16
Hwy
25
Comb
19
Fuel cost: $4,300/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Automatic 4-spd | Regular | 18 | 28 | 21 | $3,200 |
| Automatic 4-spd | Premium | 17 | 26 | 20 | $4,100 |
| Automatic (S4) | Premium | 17 | 26 | 20 | $4,100 |
| Automatic (S4) | Premium | 16 | 25 | 19 | $4,300 |
Annual Fuel Cost
$3,200
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-4,000
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 423 g/mile
- Annual Petroleum Consumption
- 14.2 barrels
Specifications
- Engine
- 5.3L 6-cyl
- Transmission
- 4-speed Automatic
- Drivetrain
- FWD
- 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
- 3.8L, 6-cylinder
- Fuel Type
- Regular Gasoline
Annual Fuel Cost by State
Prices as of week ending May 18, 2026 · Source: EIA
National AvgEPA default
$4.490/gal$3,207/yr
California
$5.957/gal$4,255/yr
Texas
$3.888/gal$2,777/yr
Florida
$4.136/gal$2,954/yr
New York
$4.522/gal$3,230/yr
Ohio
$4.510/gal$3,221/yr
Washington
$5.591/gal$3,994/yr
Colorado
$4.618/gal$3,299/yr
Minnesota
$4.344/gal$3,103/yr
Massachusetts
$4.448/gal$3,177/yr
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $3,207/yr | — |
| California | $5.957/gal | $4,255/yrHIGHEST | +$1,048 |
| Texas | $3.888/gal | $2,777/yrLOWEST | $-430 |
| Florida | $4.136/gal | $2,954/yr | $-253 |
| New York | $4.522/gal | $3,230/yr | +$23 |
| Ohio | $4.510/gal | $3,221/yr | +$14 |
| Washington | $5.591/gal | $3,994/yr | +$787 |
| Colorado | $4.618/gal | $3,299/yr | +$92 |
| Minnesota | $4.344/gal | $3,103/yr | $-104 |
| Massachusetts | $4.448/gal | $3,177/yr | $-30 |
Calculated at 15,000 miles/year (EPA standard assumption) using 21 MPG combined. Regular gasoline prices. Actual costs vary.
Related
Pontiac Grand Prix MPG History
See how this model's fuel economy changed by year