NHTSA lists 4 safety recalls and 136 owner complaints for the 2000 GMC Sonoma. Most complaints involve structure (40) and service brakes, hydraulic (30). The EPA rates it 16–23 mpg combined.
CERTAIN DELPHI FUEL PRESSURE REGULATORS, P/NOS. FP10020-11B1, FP10026-11B1, AND FP10027-11B1, SOLD AFTER JANUARY 9, 2007, AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES LISTED ABOVE. THE UNIVERSAL PRESSURE REGULATORS (UPR) WERE PRODUCED WITHOUT AN O'RING AND RETAINER.
VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES. SOME OF THESE VEHICLES WERE BUILT WITH INCORRECT PAYLOAD INFORMATION ON THE VEHICLE CERTIFICATION LABEL. THE PAYLOAD SHOWN ON THE LABEL IS GREATER THAN THE MAXIMUM VALIDATED PAYLOAD. IF THE VEHICLE WERE LOADED TO THE INCORRECTLY LABELED PAYLOAD, IT MAY NOT RIDE AND HANDLE IN THE MANNER THAT THE DRIVER EXPECTS.
VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS EQUIPPED WITH 4-WHEEL DISC BRAKES. SOME OF THESE VEHICLES HAVE AN ANTILOCK BRAKE SYSTEM (ABS) MOTOR CONTAINING AN OUT-OF-SPECIFICATION SPRING CLIP. THIS CLIP COULD ALLOW THE MOTOR BEARING TO BECOME MISALIGNED. IF MISALIGNMENT OCCURS, EVENTUALLY THE ABS WOULD BE NON-FUNCTIONAL.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“TL* THE CONTACT OWNS A 2000 GMC SONOMA. THE CONTACT STATED THAT THE DRIVER SIDE DOOR WAS LOOSE AND FAILED TO CLOSE COMPLETELY. AN INDEPENDENT MECHANIC PLACED A PIN ON THE BUSHING AND NOTICED THAT THE FRAME WAS COMPLETELY RUSTED UNDERNEATH THE CAB. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 104,000.”
“ABS SYSTEM MALFUNCTION. CODE C0265. INTERNET RESEARCH INDICATES THAT THIS MODEL YEAR (2000) AND OTHER SIMILAR MODELS AND SURROUNDING YEARS HAVE THIS FAILURE. GROUNDING FAILURE TO ABS COMPUTER MODULE RESULTING IN THE NECESSITY TO REPLACE MODULE. *TR”
“GMC SONOMA 2000 THIRD DOOR LATCH BROKE SO THAT DOOR WON'T OPEN BACK OF DRIVERS SEAT HANDLE TO ADJUST SEAT BROKE OFF SO THAT THE SEAT IS IN A TILT POSITION AND WILL NOT ADJUST. ALMOST TO A POSITION OF 50% BACK. *NM”
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, SIL · Rear-Wheel Drive | 20 | 26 | 23 | $2,800 | 386 |
| Sonoma 2WD Man 5-spd, 4 cyl, 2.2 L, SIL · Rear-Wheel Drive | 19 | 25 | 22 | $2,900 | 404 |
| Sonoma 2WD Auto 4-spd, 4 cyl, 2.2 L, CLKUP · Rear-Wheel Drive | 17 | 24 | 19 | $3,400 | 468 |
| Sonoma 2WD Auto 4-spd, 4 cyl, 2.2 L, CLKUP · Rear-Wheel Drive | 17 | 23 | 19 | $3,400 | 468 |
| Sonoma 2WD Man 5-spd, 6 cyl, 4.3 L, SIL · Rear-Wheel Drive | 16 | 21 | 18 | $3,550 | 494 |
| Sonoma 2WD Auto 4-spd, 6 cyl, 4.3 L, CLKUP · Rear-Wheel Drive | 15 | 20 | 17 | $3,800 | 523 |
| Sonoma 4WD Man 5-spd, 6 cyl, 4.3 L · 4-Wheel or All-Wheel Drive | 15 | 20 | 17 | $3,800 | 523 |
| Sonoma 4WD Auto 4-spd, 6 cyl, 4.3 L · 4-Wheel or All-Wheel Drive | 14 | 19 | 16 | $4,000 | 555 |
| 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 |
4 safety recalls 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 136 complaints with NHTSA. The most-cited components are structure (40), service brakes, hydraulic (30), latches/locks/linkages (12). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2000 GMC Sonoma at 16–23 mpg combined, depending on engine and drivetrain (8 versions rated).