# Costco Diesel Only At Select Locations

> Costco sells diesel at 63 U.S. locations, but only in areas with heavy truck use.
- Title: Costco Diesel Only At Select Locations · Jalopnik | Shortify
- Summary: Costco sells diesel at 63 U.S. locations, but only in areas with heavy truck use. Costco offers diesel fuel at 63 stations across 21 states, primarily in…
- Keywords: costco, diesel, top tier, costco fuel, kirkland signature, costco locations, costco stores, costco membership, costco gas stations, costco diesel stations, costco diesel locations, costco top tier
- Source: Jalopnik — https://jalopnik.com/2274719/costco-diesel-select-locations
- Author: Beverly Braga
- Published: 2026-10-04T16:25:00+00:00
- Read time: 1 min
- Topics: costco, diesel, top tier, costco fuel, kirkland signature, costco locations, costco stores, costco membership, costco gas stations, costco diesel stations, costco diesel locations, costco top tier
## Costco Gas Stations
Costco sells gasoline and diesel at select locations across the U.S. and Puerto Rico.
## Diesel Availability
Costco has 63 diesel stations in 21 states, mostly in farming areas with heavy truck use.
## Top Tier Diesel
Costco diesel is Top Tier approved, meaning it meets high-quality fuel standards for performance and emissions.
## Costco Diesel Pricing
Costco diesel prices are often cheaper than nearby stations, especially for vehicles requiring diesel fuel.
## Costco Store Hours
Costco stores open 10:00 a.m. to 8:30 p.m. on weekdays, with gas stations operating outside these hours.
## Costco Card Requirement
Costco fuel pumps require your membership card, not a credit card, for payment at the pumps.
## Key takeaway

Costco offers diesel fuel at 63 stations across 21 states, primarily in farming regions, with Top Tier quality.