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How big is the gas tank on a 1977 Chevy C10?

The gas tank capacity of a 1977 Chevy C10 pickup truck is typically 20 gallons. This standard-sized fuel tank was common for many light-duty trucks of that era, providing a good balance between fuel capacity and overall vehicle weight and size.


Detailed Overview of the 1977 Chevy C10 Gas Tank


The 1977 Chevy C10 was part of the third generation of Chevrolet's C/K line of full-size pickup trucks, which were produced from 1973 to 1987. These trucks were known for their rugged construction, reliable performance, and versatile utility.


The standard gas tank size for the 1977 C10 was 20 gallons. This fuel tank was located in the traditional position, underneath the truck bed and behind the rear axle. The tank's capacity provided a good range for the C10's engine options, which included inline six-cylinder and V8 engines.


Some key details about the 1977 Chevy C10 gas tank:



  • Capacity: 20 gallons

  • Location: Underneath the truck bed, behind the rear axle

  • Fuel type: Gasoline

  • Fuel system: Mechanical fuel pump


The 20-gallon gas tank gave the 1977 C10 a respectable driving range, allowing owners to travel longer distances between fill-ups. This was an important consideration for a truck that was often used for work, hauling, and recreational activities that required extended periods of driving.

How big is the gas tank on a 1976 Chevy C10?


Tank size is 20 Gallon.



How big is the fuel tank on a 1980 Chevy C10?


16 Gallon Fuel Tank For 75-81 Chevrolet C10 K10 Silver.



How much was a full tank of gas in the 1970s?


Gas in the 70's started at around 30 cents/gallon, but went up during the Carter years due to the Iran issues. At 30/gallon, a car holding 20 gallons would cost about $6 to fill. $5 was pretty average for most fillups.



How much is a 1977 Chevy C10 worth?


A 1977 Chevy C10's value varies significantly based on its condition, with a 1/2 Ton in good condition averaging around $15,038. Prices can range from a low of about $5,460 for a project truck to as high as $77,000 for a rare, exceptionally well-maintained example, and a 1977 C10 Suburban Custom Deluxe in good condition is valued around $17,675. 

Vehicle Type Estimated Value (Good Condition)
1/2 Ton ~$15,038
Suburban Custom Deluxe ~$17,675
Big 10 ~$14,825
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  • Condition is key: Prices are heavily influenced by the vehicle's condition, mileage, and any modifications. 
  • Average examples: A "good condition" 1977 C10 1/2 Ton is valued around $15,038. 
  • Lower end: The lowest recent auction sale was $5,460, typical for a project truck. 
  • Higher end: The highest recent auction sale was $77,000, reserved for rare or exceptionally well-restored vehicles. 


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.