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1990 GMC Sierra 1500 4WD
Official EPA fuel economy and NHTSA recall record, best combined figure 16 MPG.
Fuel economy (EPA)
| Engine | Transmission | Fuel | City | Highway | Combined | CO2 g/mi |
|---|---|---|---|---|---|---|
| 4.3L 6-cyl | Automatic 3-spd | Regular | 14 | 16 | 15 | 592 |
| 4.3L 6-cyl | Automatic 4-spd | Regular | 15 | 18 | 16 | 555 |
| 4.3L 6-cyl | Manual 4-spd | Regular | 14 | 16 | 15 | 592 |
| 4.3L 6-cyl | Manual 5-spd | Regular | 15 | 19 | 16 | 555 |
| 5.0L 8-cyl | Automatic 3-spd | Regular | 12 | 14 | 13 | 684 |
| 5.0L 8-cyl | Automatic 4-spd | Regular | 13 | 17 | 14 | 635 |
| 5.0L 8-cyl | Manual 5-spd | Regular | 12 | 17 | 14 | 635 |
| 5.7L 8-cyl | Automatic 4-spd | Regular | 12 | 16 | 13 | 684 |
| 5.7L 8-cyl | Manual 4-spd | Regular | 11 | 13 | 12 | 741 |
| 5.7L 8-cyl | Manual 5-spd | Regular | 11 | 16 | 13 | 684 |
| 6.2L 8-cyl | Automatic 4-spd | Diesel | 15 | 20 | 16 | 636 |
| 6.2L 8-cyl | Manual 4-spd | Diesel | 15 | 17 | 16 | 636 |
Safety recalls (NHTSA)
2 campaigns on record for this model year. Recall repairs are free at dealers; check your exact vehicle by VIN on nhtsa.gov/recalls.
SEVERE CORROSION DUE TO ROAD SALT AT THE JOINT OF THE STAMPED STEEL CENTER SECTION AND THE CAST OUTER SECTION CAN CAUSE THE SECTIONS TO SEPARATE.
K2 MOTOR IS RECALLING 1,921 AFTERMARKET HEADLAMPS OF VARIOUS MODELS SOLD FOR USE ON THE ABOVE LISTED VEHICLES. THESE HEADLAMPS ARE MISSING THE AMBER SIDE REFLEX REFLECTOR WHICH FAILS TO CONFORM WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT."
Owner complaints (NHTSA)
30 complaints filed by owners for this model year (1 involving a crash, 12 a fire). Complaints are owner reports, not confirmed defects - browse them in full on nhtsa.gov.
Frequently Asked Questions
What is the fuel economy of a 1990 GMC Sierra 1500 4WD?
EPA figures for the 1990 GMC Sierra 1500 4WD reach 16 MPG combined depending on configuration; the table on this page lists every tested engine and transmission combination.
Are there recalls on the 1990 GMC Sierra 1500 4WD?
NHTSA lists 2 safety recall campaigns for the 1990 GMC Sierra 1500 4WD. Check your specific vehicle by VIN on the official NHTSA site, recalls are fixed free of charge by dealers.
What are common problems with the 1990 GMC Sierra 1500 4WD?
Owners have filed 30 complaints with NHTSA for the 1990 GMC Sierra 1500 4WD, most often about: Service Brakes, Hydraulic, Power Train, Tires. Complaint counts reflect what owners report, not confirmed defects.
Sources: EPA fueleconomy.gov, the NHTSA recalls, complaints and 5-Star Safety Ratings databases (all US public data), refreshed monthly. Recall texts are quoted from the official record. Details on About & Data Sources.