YearToAvoid

2005 Mazda RX-8 Engine Problems

NHTSA has 46 owner complaints about engine problems in the 2005 Mazda RX-8, 28% of all 162 complaints for this model year. That is the highest engine complaint count among 7 RX-8 model years. These complaints report 1 crash. Median mileage at failure: 55,000 miles.

Engine complaints
46
28% of 162 complaints
All complaints this year
162
Crashes reported
1
Fires reported
0
Injuries reported
0
Median mileage
55,000 mi
Related recalls
1

When 2005 Mazda RX-8 engine complaints were filed

First complaint Sep 26, 2005, latest Apr 16, 2019.

2005 Mazda RX-8 engine complaints: complaints filed per month3Sep 2005May 2007Nov 2008Mar 2010Apr 2011Jul 2012May 2014Mar 2017
46 complaints filed with NHTSA from Sep 2005 to Apr 2019; peak Jul 2009 (3).

Engine recalls for the 2005 Mazda RX-8

  1. NHTSA 05V317000Jul 7, 2005Engine52,000 vehicles

    Engine and engine cooling

    If certain passenger vehicles are parked and the engine is operated at high rpm's for an excessive length of time, some of the parts around the exhaust system can melt and produce a variety of malfunctions. Problems caused by the excessive heat build-up can range from inoperative oxygen sensor, neutral switch and back up lights, problems with the parking brakes, malfunctions of the gas gauge and/or possible fuel leaks resulting from heat damage to the fuel tank.

    Risk: Fuel leakage, in the presence of an ignition source, could result in a fire.

    Remedy: Dealers will inspect and replace parts. The recall began on august 30, 2005. Owners may contact mazda at 1-800-222-5500.

Engine complaints by RX-8 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 200546 (28%)
  2. 20069 (15%)
  3. 20072 (5%)
  4. 20083 (18%)
  5. 20093 (38%)
  6. 20100 (0%)
  7. 20110 (0%)

Frequently asked questions

Does the 2005 Mazda RX-8 have engine problems?
NHTSA has 46 owner complaints about the engine in the 2005 Mazda RX-8, 28% of all complaints for this model year, including 1 that report a crash. Median mileage at failure is 55,000 miles.
Which Mazda RX-8 year has the most engine complaints?
The 2005 Mazda RX-8 has the most engine complaints (46), compared with 46 for the 2005.
Is there a engine recall for the 2005 Mazda RX-8?
Yes — 1 NHTSA recall campaign for the 2005 Mazda RX-8 concerns the engine: 05V317000.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.