How big is the gas tank on a 1988 Chevy S10?
The gas tank on a 1988 Chevy S-10 is typically around 20 gallons (about 75.7 liters), with common configurations ranging from 19 to 21 gallons depending on engine, cab style, and drivetrain. This reflects the variations seen across early S-10 trims and body setups.
This article explores the typical tank sizes for 1988 S-10 pickups, notes how capacity can vary by configuration, and offers practical steps to confirm the exact figure for your specific truck.
Tank size by configuration
The following ranges reflect commonly observed factory specs for 1988 S-10 pickups and cover standard cabs as well as extended cab configurations. Actual capacity can vary by regional options and production runs.
- 19 gallons (about 72 liters): Common for base configurations with the 2.5L inline-4 engine and standard two-wheel drive.
- 21 gallons (about 80 liters): Observed in some extended-cab or higher-trim configurations and certain V6 setups.
In practice, most 1988 S-10 owners report a tank capacity near 19–21 gallons, with the majority clustering around the 20-gallon mark depending on the exact build.
Why the numbers vary
Variations arise from differences in engine choice, cab/bed configuration, and optional equipment. The tank shape and mounting can also affect usable capacity slightly, especially in trucks with unique rear-end setups or spare-tire placements.
For that reason, owners often see slight differences even among model-year 1988 S-10s that appear visually similar.
How to verify the exact capacity for your truck
To confirm your vehicle’s precise tank size, you can check the following sources and records:
- Consult the original owner's manual or window sticker for the factory-stated capacity.
- Inspect the fuel system labeling near the fuel filler neck or inside the fuel filler door, if present.
- Review the dealer-era GM service manuals or parts catalogs for your VIN and body style.
- Contact a Chevrolet dealer with your VIN to pull the precise spec sheet for your truck’s build date and configuration.
Knowing the exact capacity is helpful for planning fuel stops, calculating range, and budgeting for fuel in older vehicles where aftermarket tanks or modifications may have been added.
Summary
For a 1988 Chevy S-10, you can reasonably expect a tank around 20 gallons, with typical configurations ranging from 19 to 21 gallons. The exact capacity depends on engine, cab configuration, and optional equipment. If you need the precise figure for your specific truck, reference the original documentation or contact a dealer with your VIN to confirm.
How many gallons tank 1988 S-10?
20 Gallons
Product specifications
| Item Dimensions | 44 x 16 x 14.01 inches |
|---|---|
| Item Weight | 23.78 Pounds |
| Capacity | 20 Gallons |
How big is a Chevy S10 fuel tank?
The S10 fuel tank capacity varies by model year, but typically ranges from 13.2 to 20 gallons, with many later models holding 19 or 20 gallons. For example, the 1985-1987 S10 Blazer models had a 13.2-gallon tank, while the 1985-1995 standard and extended cab trucks often came with a 20-gallon tank. Newer models like the 1999 or 2000 S10 typically hold 19 gallons.
- 13.2 gallons: 1985-1987 S10 Blazer models
- 19 gallons: 1999 and 2000 S10 models
- 20 gallons: 1985-1995 S10 trucks (standard and extended cabs), and the 2003 S10 pickup
How big is the gas tank on a 1987 Chevy S10?
13.2 Gallon Fuel Gas Tank For 85-87 Chevrolet S10 Blazer GMC S15 Jimmy Silver - Walmart.com.
How big is the fuel tank on a 1989 S-10?
The specifications for the 20-gallon fuel tank are as follows: 33 inches in length, 10.5 inches in height, and 22 inches in width.
