Equipment: labels
CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, "OCCUPANT CRASH PROTECTION."
NHTSA lists 1 safety recall and 40 owner complaints for the 2003 GMC Sonoma. Most complaints involve structure (7) and equipment (5). The EPA rates it 14–22 mpg combined.
CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, "OCCUPANT CRASH PROTECTION."
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“WAS SLOWING DOWN FOR UPCOMING LIGHT AND OUT THE CORNER OF MY EYE I SAW A DEER LEAP OVER TALL GRASS ON LEFT ONCOMING SIDE OF ROAD, WAS ALREADY AT 40 MILES HIT BRAKE TO HOPEFULLY NOT HIT HER SO BY THE TIME SHE AND I HAD IMPACT THE VEHICLE WAS GOING BOUT 35 MILES PER HOUR. TORE UP RIGHT SIDE OF FENDER, DOOR, HOOD, FRONT GRILL, AND SOMETHING TO DO WITH THE MOTOR, THE SENSOR LIGHTS NOW KEEP COMING ON SHOWING AIRBAG. ABC, SEAT BELT THE SERVICE LIGHT COMES ON AND THEN GOES OFF. HAVE HAD IT CHECKED WITH MACHINE AND IT SHOWS A RECALL ON THE LIGHTS IF A CRASH OCCURS IT WILL MAKE THEM MALFUNCTION. *TR”
“2003 GMC SONOMA. CONSUMER STATES WHILE DRIVING THE SUPPORT CABLE HOLDING THE SPARE TIRE RUSTED THROUGH AND THE TIRE FELL OFF, ROLLED DOWN THE ROAD AND HIT ANOTHER CAR *TGW THE CONSUMER STATED NO DAMAGE WAS DONE AND THE POLICE WERE NOT NOTIFIED. *JB”
“THERE ARE 4 LATCHES ON 2003 GMC SONOMA TRUCK AND THREE IMPACT PERSONAL SAFETY. TAILGATE DOES NOT AS PERSON DOES NOT RIDE IN TRUCK BED. THE PASSENGER DOOR LATCHES ARE METAL. THE SIDE DOOR LATCH IS PLASTIC AND BROKE AND HAS BEEN REPLACED TWICE.BOTH TIME SAME DEFECT. IN EMERGENCY IF PERSON IN JUMP SEAT CAN'T GET OUT DUE TO DEFECTIVE DOOR LATCH. FOURTH LATCH IS SEAT RECLINES VIA LATCH. HANDLE HAS BROKE. IF SEAT RECLINES PERSON IN JUMP SEAT HAS TROUBLE EXITING VEHICLE. IF SEAT IS IN RECLINE PERSON CANNOT OPERATE VEHICLE SAFELY. LATCHES ARE PLASTIC. *TR”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| Sonoma 2WD Man 5-spd, 4 cyl, 2.2 L · Rear-Wheel Drive | 19 | 25 | 22 | $2,900 | 404 |
| Sonoma 2WD Auto 4-spd, 4 cyl, 2.2 L · Rear-Wheel Drive | 17 | 23 | 19 | $3,400 | 468 |
| Sonoma 2WD Auto 4-spd, 6 cyl, 4.3 L · Rear-Wheel Drive | 15 | 21 | 17 | $3,800 | 523 |
| Sonoma 2WD Man 5-spd, 6 cyl, 4.3 L · Rear-Wheel Drive | 15 | 22 | 17 | $3,800 | 523 |
| Sonoma 4WD Auto 4-spd, 6 cyl, 4.3 L · 4-Wheel or All-Wheel Drive | 14 | 18 | 15 | $4,300 | 592 |
| Sonoma 4WD Man 5-spd, 6 cyl, 4.3 L · 4-Wheel or All-Wheel Drive | 12 | 17 | 14 | $4,600 | 635 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
1 safety recall as of Oct 30, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 40 complaints with NHTSA. The most-cited components are structure (7), equipment (5), latches/locks/linkages (5). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2003 GMC Sonoma at 14–22 mpg combined, depending on engine and drivetrain (6 versions rated).