Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1981 K20.
The 1981 Chevrolet K20 is the focus of this overview, a model year whose recorded reliability history is thin. It generated only one owner complaint, with tires cited as the top complaint area and two recalls on file. That lone complaint matches the lowest annual count in the broader 1990–1998 model history, a span that peaked at five complaints in 1993 and bottomed out at one in 1998. For researchers, the 1981 K20 is best read as a lightly documented baseline rather than a model year with a substantial recorded problem history.
Engine, drivetrain, dimensions and economy.
| Overall width | 79.5 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.
The JSON provides federal‑record data only for model years 1990‑1996 and 1998, with no entries for 1981 or any preceding or subsequent years in the K20 generation. Consequently, there are no complaint, recall, investigation, or TSB figures to compare the 1981 model to its neighbors, and the trend across the generation cannot be discerned from the supplied information. The only specific data point for the target year is a single tire‑related complaint, with zero crash and zero fire complaints reported. Because the record lacks any comparative figures for the years before and after 1981, it is impossible to assess whether 1981 sits at a high, low, or intermediate point in the complaint/recall arc. Therefore, based solely on the available federal data, there is insufficient evidence to conclude that the 1981 Chevrolet K20 is a particularly good or bad year to buy; a thorough pre‑purchase inspection remains advisable.
All 1 complaints on record, top 1 components.
Source: NHTSA Office of Defects Investigation complaint database.
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 HYDRAULIC BRAKE FLUID USED IN CERTAIN VEHICLES MAY FAIL TO COMPLY WITH THE BRAKE FLUID BOILING POINT REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 116, "MOTOR VEHICLE BRAKE FLUIDS". BRAKING EFFICIENCY… Remedy: SUSPECT HYDRAULIC BRAKE FLUID WILL BE BLED FROM THE BRAKE SYSTEM AND REPLACED WITH GM DELCO SUPREME NO. 11 OR AN EQUIVALENT, 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.