How many miles per gallon does a 2009 Chevy 2500 get?
The mpg for a 2009 Chevy Silverado 2500HD varies by engine and drivetrain. Gasoline models with the 6.0L V8 generally average in the mid-teens overall, while Duramax 6.6L diesel versions tend to deliver higher highway mileage and a similar or slightly higher overall average, with 4x4 versions usually a bit less frugal than 2WD.
This article provides an overview of common configurations for the 2009 Silverado 2500HD and how they typically perform in terms of fuel economy, followed by factors that influence real-world mileage and practical tips to maximize efficiency.
Fuel economy by configuration
Below are typical estimates for common 2009 Silverado 2500HD configurations, split by engine and drivetrain.
Gasoline engine: 6.0L V8
Gasoline-powered 2009 Silverado 2500HD models show notable variation based on whether they are two-wheel drive or four-wheel drive.
- 2WD (rear-wheel drive) with the 6.0L V8: approximately 12–14 mpg in the city and 16–19 mpg on the highway, roughly 14–16 mpg combined.
- 4WD (four-wheel drive) with the 6.0L V8: approximately 11–13 mpg in the city and 16–18 mpg on the highway, roughly 13–15 mpg combined.
These ranges reflect EPA estimates and typical real-world results, with actual figures influenced by cab/bed configuration and year-specific tuning.
Diesel engine: 6.6L Duramax
Diesel-equipped Silverado 2500HDs generally deliver stronger highway mileage, with city numbers affected by drive cycle and payload.
- 2WD with the Duramax 6.6L: roughly 15–17 mpg in the city and 20–22 mpg on the highway, about 18–19 mpg combined.
- 4WD with the Duramax 6.6L: roughly 14–16 mpg in the city and 19–21 mpg on the highway, about 17–19 mpg combined.
In practice, diesel configurations often show better highway efficiency and similar or better overall economy, especially on longer trips with lighter payloads.
Other factors that influence mpg
Real-world mileage is affected by a range of variables beyond engine choice and drivetrain.
- Payload and towing: Heavier loads dramatically reduce fuel economy, particularly on hilly terrain.
- Terrain and driving style: Stop-and-go city driving typically lowers MPG more than steady highway cruising.
- Tire size and inflation: Overly large tires or underinflated tires increase rolling resistance and reduce efficiency.
- Aerodynamics: Rack accessories, bed campers, and roof racks can reduce highway MPG.
- Maintenance: Regular servicing, clean air filters, and proper oil changes help maintain fuel economy.
Understanding these factors can help owners set realistic expectations and maintain better efficiency for a heavy-duty pickup.
Summary
For the 2009 Chevy Silverado 2500HD, mpg varies significantly by engine and drivetrain. Gasoline 6.0L V8 models typically yield in the low- to mid-teens overall, with 2WD slightly better than 4WD. Duramax 6.6L diesel versions usually deliver higher highway mileage and a strong overall average, with 2WD outperforming 4WD by a small margin. Real-world fuel economy is also shaped by payload, towing, terrain, driving habits, and maintenance. With mindful driving and proper maintenance, the efficiency of these capable trucks can be optimized within the expected ranges above.
