Research
2003 Hummer H2 SutRecalls, problems, MPG & safety
NHTSA lists 0 safety recalls and 5 owner complaints for the 2003 Hummer H2 Sut. Most complaints involve visibility (4) and fuel/propulsion system (1).
Combined MPG
—
No EPA rating found
NHTSA overall
—
Not rated by NCAP
Safety recalls
0campaigns
NHTSA
Owner complaints
5
Top: visibility
Fuel cost / yr
—
No EPA estimate
Safety recalls
NHTSA campaigns for this model year
0 recalls found in NHTSA data for the 2003 Hummer H2 Sut as of Nov 7, 2026.
Data from NHTSA Recalls API · synced Nov 7, 2026NHTSA vehicle page
Owner complaints by component
5 complaints filed with NHTSA · Dec 2008 – Sep 2012
- Visibility4
- Fuel/propulsion system1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 7, 2026NHTSA vehicle page
What owners report most
Verbatim excerpts from NHTSA complaints, by component
Visibility
4 reports
“TL* THE CONTACT OWNS A 2003 HUMMER H2. THE CONTACT STATED THAT WHILE DRIVING 55 MPH, THE WINDSHIELD WIPERS ACTIVATED ON THERE OWN. THE CONTACT'S HUSBAND HAD TO REMOVE THE FUSES TO STOP THE WINDSHIELD WIPERS. THE VEHICLE WAS TAKEN TO THE DEALER FOR A DIAGNOSIS. THE DEALER STATED THAT THEY HAD TO REPLACE THE WINDSHIELD WIPER MOTOR. THE VEHICLE WAS REPAIRED. THE CONTACT MADE AN UNSUCCESSFUL ATTEMP AT NOTIFYING THE MANUFACTURER. THE FAILURE MILEAGE WAS 74,000 AND CURRENT MILEAGE WAS 74,400.”
Fuel/propulsion system
1 report
“STARTED SMELLING STRONG FUEL SMELLS SO TOOK VEHICLE TO DEALER. DEALER CALLED AND ASKED ME TO STOP BACK BECAUSE WHEN THEY DROPPED FUEL TANK THEY DISCOVERED FUEL LINES RUNNING FROM GAS TANK WERE SO BADLY CORRODED THROUGH THAT WERE SPRAYING PIN-STREAMS OF RAW GAS ALL OVER THE UNDERSIDE OF MY VEHICLE. SAID IT WAS A MIRACLE I DID NOT EXPLODE OR CATCH FIRE. MECHANIC THEN ASKED ME TO ALSO LOOK AT EVERY BRAKE LINE ON THE TRUCK WHICH WERE ALSO SO BADLY CORRODED AND DETERIORATING THAT HE SAID THEY WERE A REAL DANGER AS WELL AND ALL NEEDED TO BE REPLACED ASAP AT HUGE EXPENSE. MY VEHICLE HAS BEEN CAREFULLY MAINTAINED, ALWAYS CLEANED AND SERVICED AND SOUTHERN OHIO (WHERE I LIVE) IS NOT AN ESPECIALLY HOSTILE OR CORROSIVE ENVIRONMENT. I PURCHASED THIS TRUCK NEW AND IT HAS BEEN DRIVEN ALMOST EXCLUSIVELY IN THIS FAIRLY BENIGN ENVIRONMENT. THIS SEEMS SUSPICIOUS AND IS TOTALLY UNEXPECTED. *TR”
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 7, 2026
NHTSA 5-Star Safety Ratings
New Car Assessment Program
NHTSA has not published 5-Star Safety Ratings for the 2003 Hummer H2 Sut as of Nov 7, 2026.
Data from NHTSA NCAP Safety Ratings API · synced Nov 7, 2026
Maintenance basics
General guidance, not the OEM schedule. Check your owner’s manual.
General guidance
| 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 |
- Engine oil & filter5,000–10,000 mi
6–12 months - Tire rotation5,000–7,500 mi
Every oil change - Engine air filter15,000–30,000 mi
1–2 years - Cabin air filter15,000–25,000 mi
1–2 years - Brake fluid—
2–3 years - Coolant60,000–100,000 mi
5–10 years - Spark plugs60,000–100,000 mi
— - 12V battery—
3–5 years
Typical intervals for modern cars. Severe service (towing, short trips, extreme heat or cold) shortens them.
2003 H2 Sut questions
How many recalls does the 2003 Hummer H2 Sut have?
0 recalls found in NHTSA data as of Nov 7, 2026.
What are the most common 2003 Hummer H2 Sut problems?
Owners filed 5 complaints with NHTSA. The most-cited components are visibility (4), fuel/propulsion system (1). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
Data from NHTSA & EPA · synced Nov 7, 2026