How many MPG does a 6.6 Duramax get?

The 2021 Sierra HD series includes a diesel engine at the 2500 level that's capable of generating 445 horsepower and 910 pound-feet of torque. This Duramax 6.6-liter V-8 gets 17 to 19 mpg on the highway.

How do you get 30 MPG on a Duramax?

What is the fuel mileage for a 2020 6.6 Duramax diesel?

While the trip computer in the truck showed an average consumption rating of 19.6 mpg, the truck consumed 10.453 gallons of fuel over the 208.1-mile trip, placing its real-world fuel economy at 19.91 mpg.

Which 2500 diesel truck gets the best fuel mileage?

The most fuel-efficient model is the Silverado 2500HD Regular Cab Long Bed with a Duramax 6600 Turbo-Diesel V-12 engine and six-speed automatic transmission. This model gets an EPA estimated fuel economy of 15 mpg in the city and 20 mpg on the highway.

How many MPG does a 6.6 gas get?

Fuel Economy and Real-World MPG

We tested the Silverado 2500HD with the gasoline 6.6-liter V-8, and it earned 14 mpg on the highway.

2021 Chevrolet Duramax MPG Test

Is the Chevrolet 6.6 gas engine good?

The 6.6-liter gas engine is the weaker of the two V8s on offer, and even when the truck is unladen, the Silverado 2500 doesn't exactly hustle. The V8 makes a nice little noise as it pushes pounds over pavement, but you don't get any sort of authoritative acceleration you do on Duramax-equipped variants.

Does Chevy 6.6 require premium gas?

This engine does not require premium high-octane fuels. The engine is backed up by an updated heavy duty 6-speed automatic transmission. It's based on the 6-speed automatic that has been there before. The 2020 heavy truck is longer and taller than before.

Is the Duramax 6.6 a good engine?

It is considered the best post-emissions Duramax engine, as previous issues with the injection pump and emissions systems have largely been fixed. The 6.6L L5P Duramax offers a quieter ride with more horsepower, torque (445 horsepower and 910 pound-feet torque) and power ratings than previous engine versions.

What Duramax gets the best MPG?

2021 Chevrolet Colorado Fuel Economy

Naturally, the 2.8L Duramax diesel achieves the best gas mileage with 23 mpg combined and an impressive 30 mpg on the highway for two-wheel-drive models.

What is the MPG on a 6.7 Cummins?

The 2022 RAM 2500 comes equipped with a 6.7-liter Cummins® Turbo Diesel Inline-6 and 6.4-liter HEMI® V8 engine that produces up to 410 hp and 429 lb. -ft. of torque in 4×4 configuration. The engine is rated to do up to 12 city/18 highway/15 combined MPG on the fuel economy when running in the four-wheel drive mode.

Which Silverado engine gets best MPG?

How many MPG does a Chevy 3500 diesel get?

When not towing, the truck averages 23 mpg at 75 mph, with a range of about 600 miles/tankful. You can hear the diesel engine around town but not on the highway.

What year of Duramax is best?

LBZ: 2006 – 2007

It has the best potential for performance and horsepower additions through various Duramax parts mods and tuning. Built stronger and more durable than previous engines, the LBZ is reliable and powerful.

How many miles is a Duramax diesel good for?

If you want to know how long a Duramax engine will run, you should expect it to last as much as 300,000 miles before needing any major repairs. But, of course, this number can vary depending on how well the engine was maintained and driven throughout its life.

How long can a Duramax idle?

Any LB7 truck can be ran at idle with no problem. GM says the lly and up trucks with an egr cooler and valve can only be idled for 10 minutes MAX is what gm technical assistance tells us.

What is the MPG of a Chevy 2500 diesel?

2021 Chevrolet Silverado 2500 HD MPG

Based on data from 42 vehicles, 1,630 fuel-ups and 492,892 miles of driving, the 2021 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.61 with a 0.20 MPG margin of error.

Do any trucks get 30 MPG?

The pickup trucks that can reach the 30mpg are the GMC Sierra with the Duramax Diesel, the Ram 1500 with the etorque engine, and the Silverado with the Dynamic Fuel Management. Of course if you want to go a little smaller, you can get the Ford Ranger with the 2.3 Liter ecoboost as well.

How often should I change oil in my Duramax?

Change your LLY's engine oil and filter at least once every 6 months and your fuel filters once a year. Keep an eye on your air filter and change it as needed. If you're in very dusty areas you will likely need to change it sooner.

Is Cummins better than Duramax?

The Duramax leads with horsepower, but the Cummins is the king of torque with numbers up to 1,000 ft-lbs depending on the truck.

What are the problems with the 6.6 Duramax?

Water Pump Problems Are Common

These impellers are extremely weak and prone to failure. Water pumps on Duramax engines are also prone to leaking. These leaks can result in engine overheating issues. Water pump leaks also affect system pressure, which can result in coolant supply inadequacies.

What kind of fuel mileage does a Duramax diesel get?

2021 GMC Sierra 2500HD

This Duramax 6.6-liter V-8 gets 17 to 19 mpg on the highway.

What transmission does the 6.6 gas have?

Then there's the legendary Duramax 6.6L V-8 Turbo-Diesel, making 445 hp and 910 lb-ft of torque, coupled with an all-new Allison® 10-speed automatic transmission.

How many MPG does a GMC 2500 GET?

Based on data from 33 vehicles, 1,455 fuel-ups and 536,681 miles of driving, the 2020 GMC Sierra 2500 HD gets a combined Avg MPG of 14.25 with a 0.18 MPG margin of error.

How much can the 6.6 gas tow?

Chevy Silverado Towing Capacity: 6.6L V8 Gas Engine:

Maximum 2022 Chevy Silverado 2500 towing capacity of 14,500 pounds with proper trailering equipment, found in the Regular Cab, Double Cab or Crew Cab configurations. Maximum HP: 401 horsepower.