The short answer
Based on available data, the Nissan Maxima comes out ahead of the Mazda 6 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 broadly positive, with the Mazda 6 consistently praised for its reliability, longevity, and driving dynamics. Long-term owner reports frequently highlight the vehicle's ability to reach high mileages (e.g., 250,000 miles, 377,000 miles) with minimal major issues when properly maintained. The car is commended for its handsome design, well-regarded interior quality in its class, and a driving experience often described as more engaging than key competitors like the Toyota Camry and Honda Accord.
Best version to buy
Insufficient owner data available to declare a single "best" trim or version across all generations. Feedback is divided by powertrain preference.
Known issues
Overall
Sentiment is sharply divided by generation, with a clear consensus that reliability and owner satisfaction declined significantly after the early 2000s. Owners of late 1990s and early 2000s models (e.g., 1998, 1999, 2002, 2003) report extremely high satisfaction, describing these vehicles as "amazing," "bulletproof," and capable of reaching very high mileages (260,000-300,000 miles) with only basic maintenance. These generations are frequently praised for their engaging drive, solid build quality, and low cost of ownership.
Best version to buy
Late 1990s to early 2000s models (specifically mentioned: 1998, 1999, 2002, 2003). These are consistently highlighted as the peak for reliability, build quality, and driving enjoyment.
Known issues
The verdict
The Nissan Maxima is the better choice for most buyers.
It has more power on its best-equipped version than the Mazda 6, based on the data above. If efficiency matters more to you than outright power, the Mazda 6 is worth a closer look instead.
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Which is more reliable, the Mazda 6 or the Nissan Maxima?
Owner reports show similar reliability sentiment for the Mazda 6 and the Nissan Maxima. Check the known issues listed above for specific differences between the two.
Which is better for families, the Mazda 6 or the Nissan Maxima?
Data on family-specific factors like cargo space is limited for one or both models, but based on available reports, both are positioned as practical daily drivers. Check the specs table above for seating and body type.
Which has better fuel economy, the Mazda 6 or the Nissan Maxima?
Fuel consumption data is limited for one or both models. Check the specs table above for the figures available on each catalogued version.
Which is cheaper to maintain, the Mazda 6 or the Nissan Maxima?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Nissan Maxima than the Mazda 6. See the known issues comparison above.