Vehicle Questions and Answers
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The 2.8 liter diesel engine in the Chevy Express can hold up to 31 gallons of diesel fuel. It gets around 20-21 miles per gallon in the city and 27-30 miles per gallon on the highway when driving at speeds of 60 mph or higher. Diesel engines are known for their power, torque, and longevity, with fewer repair issues. To manage the exhaust emissions, a particulate filter is necessary. The Express's fuel efficiency is about 33% better than regular 87-octane gas or premium 97-octane fuel. Unlike spark engines, diesel engines create power through combustion, allowing heavy-duty trucks to travel long distances without sacrificing fuel economy.
The query pertains to diesel engines, not gasoline. It's important to distinguish between the two. Just a friendly reminder.
I own a 2018 car. When I drive in the city with the air conditioning running, I get around 16 miles per gallon. On a straight highway traveling at 70 miles per hour, I typically get between 28 and 30 miles per gallon, depending on the wind direction.
The Chevy Express gets 11 miles per gallon in city driving and 17 miles per gallon on the highway.