2004 Suzuki Aerio Problems
- Complaints
- 14filed with NHTSA
- Median mileage
- 18,036miles, 12 complaints with mileage
- Recalls
- 1campaigns on record
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
- NHTSA crash rating
- —overall rating starts with 2011 models
- EPA fuel economy
- 24 mpgcombined, 2.3L 4-cyl FWD · 22 city / 28 hwy
Sources: NHTSA records for the 2004 Suzuki Aerio (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error
NHTSA recorded 14 consumer complaints for the 2004 Suzuki Aerio. The part named most often is tires, with 6 complaints (43% of the total), followed by suspension (3) and transmission and drivetrain (2). 12 of the complaints include a mileage, and 67% of those were filed for vehicles with under 50,000 miles; the median is 18,036 miles. Of all complaints, 3 involved a crash, 1 an injury, according to the filers. NHTSA lists 1 recall campaign and 7 technical service bulletins for this model year. Tires complaints overlap with 1 technical service bulletin filed under the same part. Suspension complaints overlap with 3 technical service bulletins filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Tires6 43%
- Suspension3 21%
- Brakes1 7.1%
- Electrical system1 7.1%
- Equipment1 7.1%
- Exterior lighting1 7.1%
- Other or unknown1 7.1%
- Seat belts1 7.1%
Also reported: Vehicle speed control (1), Visibility (wipers, defrost, mirrors) (1).
Example complaints
Tires: “I had the tires inspected less than 3 weeks ago when I had my oil changed. No major tread wear and they passed site inspection. I was exiting a construction zone going 35 MPH when the rear drivers side tire blew out. By the time I was able to safely leave the road there was nothing left of the tire and I was driving on the rim. On inspection after tire was changed the passenger side rear tire was completely bald also and down to the threads”
NHTSA complaint #10119442, filed 2005-05, 14,670 milesSuspension: “- contact bought the 2004 Suzuki Aerio in march 2004, and at the time of the purchase the vehicle had yokohama tires. At 12,000 miles all 4 tires had to be replaced because the tread was wearing out. The contact thought that the tires were faulty so she replaced them with 4 new michelin tires. At 14,000 miles the tread was wearing out on all 4 tires. The contact took vehicle to the dealership, and they stated that the vehicle needed a rear alignment, and that they would also replace all the tires. …”
NHTSA complaint #10183288, filed 2007-02, 12,000 milesTransmission and drivetrain: “The contact owns a 2004 Suzuki Aerio. The contact stated that the gear shifter was loose. The gear shifter was shifted, but the vehicle failed to respond. There were no warning lights illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 220,886.”
NHTSA complaint #11712653, filed 2026-01, 220,886 milesBrakes: “The contact owns a 2004 Suzuki Aerio. The contact placed brand new rear tires on the vehicle because the alignment failed at 14,000 miles. The dealer stated that the tire failure was caused by the factory improperly aligning the vehicle's rear end. Currently, the contact needs to have the front tires and bushings replaced for the same failure. The engine size was unknown. The current mileage is 18,000 and failure mileage was 14,000. The consumer provided copies of the repair invoices. …”
NHTSA complaint #10190671, filed 2007-05, 14,000 milesMileage when problems were reported
67% of the 12 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 14,000 and 55,000 miles.
Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Crash test ratings
NHTSA's 5-Star Safety Ratings for the 2004 Suzuki Aerio. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.
| Version | Overall | Frontal | Side | Side pole | Rollover |
|---|---|---|---|---|---|
| Aerio · 5 dr hatchback | not rated | 4 / 3 | — | — | — |
| Aerio · sedan | not rated | 4 / 3 | — | — | — |
Ratings before the 2011 model year come from an older, less demanding test and are not comparable with ratings for 2011 and later.
Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.
Fuel economy and running cost
EPA ratings for each 2004 Suzuki Aerio version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| Aerio FWD | 2.3L 4-cyl | 4-speed automatic | 22 | 28 | 24 | $2,800 |
| Aerio FWD | 2.3L 4-cyl | 5-speed manual | 22 | 28 | 24 | $2,800 |
| Aerio AWD | 2.3L 4-cyl | 4-speed automatic | 21 | 26 | 23 | $2,900 |
| Aerio SX FWD | 2.3L 4-cyl | 4-speed automatic | 22 | 28 | 24 | $2,800 |
| Aerio SX FWD | 2.3L 4-cyl | 5-speed manual | 22 | 28 | 24 | $2,800 |
| Aerio SX AWD | 2.3L 4-cyl | 4-speed automatic | 21 | 26 | 23 | $2,900 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- 07V307000Jul 15, 2007Power train › Manual transmissionCovers: Suzuki Aerio 2002–2006
On certain vehicles equipped with 5-speed manual transmissions, due to improper shape of the clip, the retaining clip that keeps the gear shift cable attached to the gear shift lever can contact the gear shift lever housing if excessive lateral force is…
Recall details for the 2004 Suzuki Aerio → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 7 on record; the latest 7 are shown.
- 10216558Jul 8, 2022Suspension, Body and structure. Reminder of the importance to conduct safety inspections for rust damage to suspension and related parts that could be caused by road salt or other chemicals applied to the roadway.
- 10152052Nov 20, 2018Suspension, Equipment. This Service Bulletin was sent by Suzuki Motor Corporation to its authorized Suzuki automobile distributors in the U.S., explaining the importance of proper inspection and maintenance of suspension…
- 10028704May 1, 2009Transmission and drivetrain. Suzuki: parts list for repairing manual transaxle 5th gear concerns such as popping out of gear while driving. Worn or failed 5th gear synchronizer, 5th gear, and related parts.
- 10018529Jan 5, 2006Suspension, Tires. Abnormal rear tire wear.
- 10015941Aug 17, 2005Visibility (wipers, defrost, mirrors). Driver and/or passenger side mirror loose. Suzuki aerio (rh420/rh423)
- 10015909Aug 16, 2005Engine cooling. Modification of main bearing oil clearance and the bearing selection procedure. 2002-2005 suzuki aero-rh420/rh423
- 10014812May 10, 2005Equipment. Service manual correction of alignment specifications.
Other model years of the Suzuki Aerio
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2006 | 27 | 23,000 | 1 | — | 24 | Not compared (before 2008) | Stable |
| 2005 | 22 | 17,598 | 1 | — | 24 | — | Stable |
| 2004 | 14 | 18,036 | 1 | — | 24 | — | Not enough data |
| 2003 | 36 | 25,480 | 2 | — | 25 | Not compared (before 2008) | Stable |
| 2002 | 13 | 27,000 | 2 | — | 25 | — | Not enough data |
Frequently asked questions
How many NHTSA complaints does the 2004 Suzuki Aerio have?
NHTSA recorded 14 consumer complaints for the 2004 Suzuki Aerio as of Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2004 Suzuki Aerio is reported most often?
Tires is named most often, in 6 complaints (43% of the total), followed by suspension with 3.
Has the 2004 Suzuki Aerio been recalled?
NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
What gas mileage does the 2004 Suzuki Aerio get?
The EPA rates the 2004 Suzuki Aerio (Aerio, 2.3L 4-cyl) at 24 mpg combined, 22 city and 28 highway, with an estimated annual fuel cost of $2,800 at 15,000 miles a year. Other engine and drive versions are rated differently.
At what mileage are problems with the 2004 Suzuki Aerio reported?
Among the 12 complaints that include a mileage, the median is 18,036 miles and the middle half falls between 14,000 and 55,000 miles; 67% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.