Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1977 C20.
The 1977 Chevrolet C20 anchors the front of a reliability record documented through owner complaints logged between 1990 and 2001, a twelve-year window that captures how the model was experienced in its later years on the road. Within that period, complaint volume varied sharply, reaching a high of 19 reports in 1993 and falling to a low of just 2 in 1992, a near-tenfold swing that points to uneven ownership experiences across the documented span. Positioned at the start of this complaint history, the 1977 model year serves as a useful baseline for researchers tracking how issues evolved through the 1990s, with the data indicating that reported problems were concentrated in the early part of the recorded period rather than distributed evenly across the years covered.
Engine, drivetrain, dimensions and economy.
| Overall length | 211.4 in |
| Overall width | 79.5 in |
| Overall height | 70.9 in |
| Wheelbase | 131.5 in |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Showing 2 of 2 campaigns on record for this vehicle.
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS… Remedy: HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 2007. OWNERS CAN CONTACT FRAM CUSTOMER SERVICE TOLL-FREE AT 1-800-890-2075.
THE ACCELERATOR PEDAL ROD IN COMBINATION WITH THE PEDAL INSTALLED ON THE INVOLVED VEHICLES MAY CUT THROUGH THE FLOOR PAN RUBBER MAT OR CARPET INTO THE THICK RESILIENT INSULATION PAD UNDERNEATH DURING HEAVY OR REPEATED… Remedy: DEALER WILL INSTALL A NEW ACCELERATOR PEDAL AND RETAINER DESIGNED TO PREVENT THE ACCELERATOR PEDAL ROD FROM CUTTING THE RUBBER MAT OR CARPET. THIS WILL BE PERFORMED WITHOUT CHARGE.
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Cross-vehicle references for the kinds of data on this page.
NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.