The short answer
Based on available data, the Hyundai Elantra comes out ahead of the Mazda Protege on power. Check the specs table and owner sentiment below for the full comparison before deciding between the two. Both are covered by real owner reports on CarWizz.
Overall
Sentiment is sharply divided and heavily dependent on model year and powertrain. Long-term owner reports for older generations (pre-2011) with specific engines like the Beta II describe exceptional, Corolla-like reliability with examples reaching 320,000 km (200,000 miles) and even 1,000,000 km (621,000 miles) with zero major issues. However, feedback for models from approximately 2011 onward is mixed to negative, dominated by widespread reports of significant engine failures, premature component wear, and pervasive electrical/software gremlins.
Best version to buy
Insufficient owner data available to identify a consensus "best" trim or version. Positive long-term reliability anecdotes are specifically tied to older models equipped with the Beta II engine (e.g., 2008-2010).
Known issues
Overall
Overwhelmingly positive sentiment regarding long-term reliability, durability, and driving enjoyment. The Protege is consistently praised as a "bulletproof," "rock solid reliable" compact car that can achieve exceptionally high mileage (commonly 200,000-300,000+ miles) with basic maintenance. Owners frequently highlight its excellent handling and fun driving dynamics, describing it as a "great cheap FWD drivers car" that is engaging to drive.
Best version to buy
Protege5 (P5) hatchback/wagon: The wagon variant is specifically and frequently highlighted for its practicality, fun driving character, and iconic styling. It is the subject of most dedicated owner enthusiasm and project car discussions.
Known issues
The verdict
The Mazda Protege is the better choice for most buyers.
It has stronger reliability sentiment in owner reports than the Hyundai Elantra, based on the data above. If the specific known issues on the Mazda Protege are a dealbreaker, the Hyundai Elantra is worth a closer look instead.
Common problems by model year
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Owner reports lean more positive on reliability for the Mazda Protege than the Hyundai Elantra. See the known issues comparison above for the specific concerns owners report on each.
Both seat a similar number of passengers based on our data. The Hyundai Elantra is classed as a Sedan, the Mazda Protege as a Hatchback, which affects cargo space and ride height for family use.
The EPA rates the 2026 Hyundai Elantra at 23–54 mpg combined and the 2003 Mazda Protege at 23–24 mpg, depending on the version.
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Hyundai Elantra than the Mazda Protege. See the known issues comparison above.