Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1977 K20.
The 1977 Chevrolet K20 is a mid‑decade model that sits on Chevrolet’s conventional body and platform architecture of the era, paired with the standard K‑series powerplant that defined the line’s straightforward engineering. While specific output figures for that year are not detailed, the model’s later reputation is reflected in its documented complaint record, which spans 1990‑1998 and shows a low point of just one complaint in 1998 after a peak of five in 1993. This trend indicates that the 1977 K20, as an early example of the series, benefitted from the incremental improvements that would later give the model a reputation for solid, if unremarkable, reliability.
Engine, drivetrain, dimensions and economy.
| Overall length | 211 in |
| Overall width | 79.5 in |
| Overall height | 74 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.