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What are the common problems with the 2004 Suzuki Forenza?

Owners of the 2004 Suzuki Forenza have filed 63 complaints with NHTSA, most often about exterior lighting (16). In NHTSA's complaints file of November 11, 2026, 40 of them list a mileage; a complaint is an owner's report, not a proven defect.

By VIN Lookup Research DeskPublished 2026-11-11NHTSA files 2026-11-11United States
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Most-reported problems, 2004 Forenza

NHTSA's file holds 63 owner complaints on the 2004 Suzuki Forenza. Owners named exterior lighting most often: 16 complaints, and half of the 10 that list a mileage came after 80,000 miles. A complaint can name more than one component. Of the 63 complaints, 9 report a crash, 5 report a fire and 3 report an injury (6 people reported injured). These are owners' reports to NHTSA, not findings.

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Common problems with the 2004 Forenza

NHTSA's file holds 63 owner complaints on the 2004 Suzuki Forenza. Owners named exterior lighting most often: 16 complaints, and half of the 10 that list a mileage came after 80,000 miles. A complaint can name more than one component.

2004 Suzuki Forenza: most-reported NHTSA component categories, with the median mileage of the complaints that list one (complaints file, November 11, 2026)
Component (NHTSA category)ComplaintsListing mileageMedian mileage
Exterior Lighting161081,000
Electrical System10765,000
Engine And Engine Cooling10627,400
Air Bags61Under 5 mileages
Power Train64Under 5 mileages

Of the 63 complaints, 9 report a crash, 5 report a fire and 3 report an injury (6 people reported injured). These are owners' reports to NHTSA, not findings.

Mileage when owners reported a problem with the 2004 Forenza

The 40 mileages owners gave run from 85 to 140,000 miles. A quarter are at or under 12,000 miles, half at or under 50,000, three quarters at or under 75,000 and nine in ten at or under 110,000; 6 (15%) came after 100,000 miles, none after 150,000 and none after 200,000.

These mileages say when owners reported a problem, not when a 2004 Forenza wears out. NHTSA's file holds only vehicles whose owners complained; one that ran without a problem never appears in it, so it gives no lifespan and no cutoff, and how a vehicle was maintained matters more than any one odometer reading.

Most of these reports came early in the vehicle's life: 34 of the 40 came at or under 100,000 miles, so they say nothing about how many miles a 2004 Forenza can cover.

2004 Suzuki Forenza: mileage in the 40 NHTSA complaints that list one (complaints file, November 11, 2026)
MeasureValue
Lowest mileage listed85 miles
25th percentile12,000 miles
Median (50th percentile)50,000 miles
75th percentile75,000 miles
90th percentile110,000 miles
Highest mileage listed140,000 miles
Complaints after 100,000 miles6 (15%)
Complaints after 150,000 milesnone
Complaints after 200,000 milesnone

Every model year together: Half of the 747 NHTSA owner complaints on the Suzuki Forenza that list mileage came after 54,000 miles (NHTSA complaints file of November 11, 2026). How many miles will a Suzuki Forenza last? →

Is the 2004 Forenza a good year?

Complaint counts cannot say whether the 2004 is a good or a bad Forenza: they rise with how many were sold and how long they have been on the road. They show how the 2004 compares with the other model years in NHTSA's file.

With 63 complaints, the 2004 drew the fewest of the 5 Suzuki Forenza model years from 2004 to 2008 with 10 or more complaints. The most: the 2006 (280).

Recent model years have had less time to collect complaints, so their counts are still growing. No year is ranked by mileage here, because a year's median mileage mostly follows its age.

Suzuki Forenza: NHTSA owner complaints by model year, 2004–2008 (complaints file, November 11, 2026)
Model yearOwner complaintsListing mileageMedian mileage
2004 (this page)634050,000
2005 Forenza15612448,000
2006 Forenza28023955,000
2007 Forenza25621556,000
2008 Forenza15212960,000

2004 Suzuki Forenza recalls

NHTSA's recall files of November 11, 2026 list 5 recall campaigns that name the 2004 Suzuki Forenza. A campaign covers a production range, not every vehicle of the model year: check the VIN with NHTSA's free recall lookup.

2004 Suzuki Forenza: the 5 recall campaigns in NHTSA’s recall files (November 11, 2026)
CampaignReport receivedComponent
14V262000May 19, 2014EXTERIOR LIGHTING:HEADLIGHTS
12V397000Aug 14, 2012EXTERIOR LIGHTING:HEADLIGHTS
07V452000Sep 25, 2007EXTERIOR LIGHTING
05V022000Jan 28, 2005EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH
03V426000Oct 29, 2003AIR BAGS:FRONTAL

What these figures can and cannot tell you

  • Complaints are owners’ reports to NHTSA. NHTSA publishes them without verifying them: a complaint is an allegation, not a defect finding.
  • The mileage is what the owner wrote on the complaint; NHTSA does not check it against the odometer.
  • The make, model and model year are the ones on the complaint. NHTSA records them as filed, so a few complaints sit under a model year the name was not sold in.
  • They are not a lifespan study. The file holds only vehicles whose owners reported a problem, so these figures do not say how long a typical 2004 Forenza lasts.
  • A complaint count rises with how many vehicles were sold and how long they have been on the road, so it is not a rating of the 2004 Forenza.
  • Nothing here describes one vehicle: its title brands, odometer readings, accidents and open recalls are in the records for its own VIN.
  • 23 of the 63 complaints on the 2004 Suzuki Forenza give no usable mileage (blank, zero, a filler such as 999999, or over 500,000) and are left out of every mileage figure.
  • NHTSA name counted: FORENZA. NHTSA files some vehicles under several names (a series name and a trim name, for example); this page counts only this one.
  • Recall-file name matched: FORENZA.
Evidence

Primary sources behind this page

Open the underlying public source and verify that its scope matches the question you are asking.

  1. NHTSA complaints flat file (FLAT_CMPL.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
  2. Complaints file field layout (CMPL.txt)National Highway Traffic Safety Administration
  3. NHTSA recalls flat file (FLAT_RCL_PRE_2010.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
  4. NHTSA recalls flat file (FLAT_RCL_POST_2010.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
  5. Recalls file field layout (RCL.txt)National Highway Traffic Safety Administration
  6. NHTSA recall and complaint datasets: scope and documentationNational Highway Traffic Safety Administration
  7. Recalls Lookup by VINNational Highway Traffic Safety Administration

NHTSA’s complaints file was downloaded on November 11, 2026 (FLAT_CMPL.txt, dated 2026-11-11 10:15, 2,265,416 rows), with its recall files (FLAT_RCL_PRE_2010.txt and FLAT_RCL_POST_2010.txt, dated 2026-11-11 08:02). Each complaint is counted once, by its NHTSA number, with the model year and mileage of its first row; a model year has a page only with 10 or more complaints. The collection script and its rules are in scripts/collect-nhtsa-model-year-longtail.mjs.

Quick answers

2004 Suzuki Forenza questions

What are the most common 2004 Suzuki Forenza problems?

NHTSA's file holds 63 owner complaints on the 2004 Suzuki Forenza. Owners named exterior lighting most often: 16 complaints, and half of the 10 that list a mileage came after 80,000 miles. A complaint can name more than one component. Of the 63 complaints, 9 report a crash, 5 report a fire and 3 report an injury (6 people reported injured). These are owners' reports to NHTSA, not findings.

At what mileage do owners report problems with the 2004 Suzuki Forenza?

Of the 40 complaints on the 2004 Suzuki Forenza that list mileage, the middle half came between 12,000 and 75,000 miles; 6 (15%) came after 100,000 miles, none after 150,000 and none after 200,000. These are mileages at a reported problem; they do not say how many miles a 2004 Forenza can cover.

Is the 2004 Suzuki Forenza a good year?

Complaint counts cannot say whether the 2004 is a good or a bad Forenza: they rise with how many were sold and how long they have been on the road. They show how the 2004 compares with the other model years in NHTSA's file. With 63 complaints, the 2004 drew the fewest of the 5 Suzuki Forenza model years from 2004 to 2008 with 10 or more complaints. The most: the 2006 (280).

How many recalls does the 2004 Suzuki Forenza have?

NHTSA's recall files of November 11, 2026 list 5 recall campaigns that name the 2004 Suzuki Forenza. A campaign covers a production range, not every vehicle of the model year: check the VIN with NHTSA's free recall lookup.

How do I check a used 2004 Suzuki Forenza before buying?

Take the 17-character VIN from the vehicle and compare the odometer with the readings on file for it: title transfers, inspections and auction sales record the mileage on the day. VIN Lookup (free-vin-lookup.com) sells the original ClearVIN PDF for $14.99 (3 reports for $29.99, 5 for $44.99): odometer readings, title brands and auction records on file for the VIN. Check the VIN before buying a used 2004 Suzuki Forenza.