1999-2003 · 3 model years

Hummer H1 Problems by year

Owners have filed 6 complaints about the Hummer H1 across 3 model years, and it has 0 recalls. The 2003 has the most complaints once its age is allowed for (4). The most reported problem area is the body, doors & structure, followed by the brakes.

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Most complaints for its age20034 complaints · 0 recallsSee the 2003

Complaints: 6
Recalls: 0
Crashes: 1
Fires: 0
Injuries: 0
Deaths: 0

H1 complaints by model year

1999 2002 42003

Highlighted: the year with the most complaints for its age. Older vehicles have had more time to collect complaints - the Safety Index grade allows for that.

Year	Complaints	Crashes	Top problem	Grade
2003	4	1	Body, doors & structure	F
2002	1	0	Acceleration & cruise control	C
1999	1	0	Engine & cooling	C

Most common H1 problems

Latest H1 complaints

2003 Hummer H1 Wheels & tiresCrash

I had taken my 2003 h2 hummer to have the front end aligned and 2 new tires placed on the front . I complained to the tire dealership the moment I had driven my vehicle maybe 10 miles of it not driving right . I took my vehicle back to the dealer 3 times with complaints of it not driving right. Thinking maybe they did not tightened something back up when they did the alignment . I had only driven my vehicle approx. 5 Times (4 times to the dealership with complaints)and the 5th time I drove it . I was in an accident...

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in when the vehicle pulled to the right I lost all control and my vehicle was totaled . It is my understanding that nitto grapper has recalled tires and this was the brand of tires that was put on my vehicle . The right front tire was flat after the crash an this is one of the reason the tires are being recalled . I believe it was either the tires or the alignment not properly being done that caused my crash . *Tr

2002 Hummer H1 Acceleration & cruise control

2002 Hummer h1 has a defect/failure problem with the ac delco accelerator pedal. *Nj the consumer stated he is on his third pedal replacement within 2 1/2 years. The consumer stated the issue was rapid acceleration while driving or trying to stop.

1999 Hummer H1 Engine & cooling

Consumer inquired as to why there was not a recall on the defective #8 cylinder of the 1999 hi hummer.*Mr the #8 cylinder cracked resulting in total engine failure at 14000 miles. *Nm

2003 Hummer H1 Brakes

Abs brake fault light repeatedly comes on. Vehicle returned to dealer (cerritos hummer) seven (7) times for repair and fault continues. *Ak

2003 Hummer H1 Electrical system

While driving 55 mph vehicle stalled. Vehicle was towed to the dealer for analysis, but mechanic could not resolve the problem. *Ak

2003 Hummer H1 Lights Visibility & wipers Body, doors & structure

The brightness of head lamps on both sports utility vehicles and many foreign autos is a continuous hazard. Even when I've moved the rear view mirror to night shade, the outside mirrors blind me. Large vehicles awash the interior of my car as if I were sitting in front of a landing airplane. I realize by the time anything is done about this, I'll be dead but thought I throw my complaint in here, especially about hummers. *La

Questions about the Hummer H1

Which Hummer H1 years have the most problems?

By the number of complaints owners filed with NHTSA: 2003 (4), 1999 (1), 2002 (1). Allowing for how long each has been on the road, the 2003 stands out most. Complaint counts also rise with sales, so compare years of the same model rather than different models.

What are the most common Hummer H1 problems?

Across every model year, owners report problems with the body, doors & structure (1), brakes (1), electrical system (1) most often.

How many recalls does the Hummer H1 have?

NHTSA lists no recalls for any Hummer H1 model year on file.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data