2004 Mazda RX-8 problems & reliability
489 owner complaints filed with NHTSA for the 2004 Mazda RX-8, alongside 10 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
15 complaints report injuries (15 injured).
Federal crash records (FARS 2020–2023): 2004 Mazda RX-8 vehicles were involved in 6 fatal crashes with 6 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Power Train | 154 | 31% |
| Engine and Engine Cooling | 106 | 22% |
| Steering | 80 | 16% |
| Air Bags | 50 | 10% |
| Electrical System | 33 | 7% |
| Engine | 33 | 7% |
| Fuel/propulsion System | 21 | 4% |
| Structure | 20 | 4% |
| Unknown OR Other | 18 | 4% |
| Suspension | 17 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 68,191 miles (middle 50% between 45,027 and 90,600 miles), based on 394 complaints that included mileage.
Complaints by incident year
What owners report
“No worries — here it is trimmed to under 2,000 characters: I am reporting a recurring safety defect on my 2004 Mazda RX-8 (VIN: [XXX] a repair under NHTSA Recall 1017E (Fuel Pump Ring / Discharge Pipe). Recall 1017E was completed on my vehicle on September 19, 2017. The same fuel leak has since recurred, with fuel…”
Fuel/propulsion System · filed May 8, 2026
“For a year I have responded to every notice for a recall repair (7 total) Mazda has not repaired my vehicle or scheduled its repair. My recall ID is 016742248 and my Campaign Number is 100409. My car has a DO NOT DRIVE status and Mazda tells me I MUST drive the car 2 hours to get it repaired each way. And they refuse…”
Air Bags · filed Jul 21, 2025
“The contact owns a 2004 Mazda RX-8. The contact stated that while driving at an undisclosed speed, the vehicle inadvertently lost motive power. The contact was able to pull to the shoulder of the roadway, where the vehicle failed to restart. The check engine warning light was illuminated. The vehicle was towed to the…”
Engine · filed May 23, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Desiccated Air Bag Inflator Rupture
Engineering Analysis EA21002 · opened Sep 17, 2021 · open
- Air Bag Inflator Rupture
Engineering Analysis EA15001 · opened Feb 24, 2015 · open · led to recall 22V945
- Air Bag Inflator Rupture
Preliminary Evaluation PE14016 · opened Jun 11, 2014 · closed Mar 2, 2015 · led to recall 15V226000
- CLUTCH PEDAL BRACKET FAILURE
Preliminary Evaluation PE09045 · opened Sep 23, 2009 · closed Aug 19, 2010
Technical service bulletins
201 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2004 Mazda RX-8. The 10 most recent:
This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text. 09-042/04 12/10/04 DESCRIPTION Some vehicles may exhibit inoperative electric rear window defroster grid lines…
09-022-26 · Service Bulletin/Repair Instructions · issued Jul 29, 2026
This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory recommended scheduled maintenance…
SA-029-26 · Service Bulletin/Repair Instructions · issued Apr 21, 2026
Some vehicles may experience exterior trim heat damage such (melted, separating, etc.) when parked near a glass building or Low-E windows. This may be caused by the sun's reflection. If a structure's windows create…
SA-039/25 · Service Bulletin/Repair Instructions · issued Aug 22, 2025
Some customers may complain about a noisy HVAC blower motor or odor after a cabin air filter replacement. Foreign debris on the blower motor after servicing the cabin air filter may be the cause. During the removal of…
SA-032-25 · Service Bulletin/Repair Instructions · issued Jun 19, 2025
Some vehicles may experience exterior trim heat damage such (melted, separating, etc.) when parked near a glass building or Low-E windows. This may be caused by the sun's reflection.
SA-058-24 · Service Bulletin/Repair Instructions · issued Aug 15, 2024
In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by Federal, and State laws. It is the dealer’s…
09-038-24 · Service Bulletin/Repair Instructions · issued Aug 8, 2024
Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop…
SA-011-24b · Service Bulletin/Repair Instructions · issued Jul 29, 2024
Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop…
SA-011-24a · Other · issued Jun 7, 2024
Mazda has developed factory recommended scheduled maintenance services that support all major vehicle systems. Mazda recommends dealers follow the scheduled maintenance tables as cited in the vehicle-specific workshop…
SA-011-24 · Service Bulletin/Repair Instructions · issued Feb 12, 2024
Some vehicles may experience exterior trim heat damage when parked near a glass building or Low-E windows. This may be caused by the sun's reflection.
SA-039-23a · Service Bulletin/Repair Instructions · issued Sep 13, 2023
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2004 Mazda RX-8 has 10 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2004 Mazda RX-8?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 68,191 miles — budget accordingly if the car is approaching that mileage.