When comparing the BMW 3 Series's and the Mazda Mazda6's specifications and ratings, the BMW 3 Series has the advantage in the areas of fuel efficiency and base engine power. The Mazda Mazda6 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, reliability, resale value, interior volume and overall quality score. Based on this comparison of the BMW 3 Series's and the Mazda Mazda6's specifications and ratings, the Mazda Mazda6 is a better car than the BMW 3 Series.
BMW 3 Series vs. Mazda Mazda6 Pricing
A used 2021 BMW 3 Series ranges from $29,552 to $51,368 while a used 2021 Mazda Mazda6 is priced between $20,776 to $31,985.
BMW 3 Series vs. Mazda Mazda6 Resale/Retained Value
Looking at the 5-year depreciation rate for both models, the BMW 3 Series loses 52.3 percent of its value and the Mazda Mazda6 loses 43.8 percent of its value. This means the Mazda Mazda6 retains 8.4 percentage points more of its value and has the advantage of higher resale value versus the BMW 3 Series.
BMW 3 Series vs. Mazda Mazda6 Quality Rating
The iSeeCars Overall Quality rating for the BMW 3 Series is 8.7 out of 10 while the Mazda Mazda6's quality rating is 8.7 out of 10. This results in the BMW 3 Series being ranked 7 out of 36 Best Luxury Small Cars and the Mazda Mazda6 being ranked 3 out of 13 Best Midsize Cars.
BMW 3 Series vs. Mazda Mazda6 Reliability Rating
iSeeCars’ Reliability Rating for the BMW 3 Series is 8.4 out of 10. For the Mazda Mazda6 the reliability rating is 8.5 out of 10. This gives the Mazda Mazda6 a slight advantage in reliability compared to the BMW 3 Series.
Engine Power and Fuel Efficiency Comparison
For engine performance, the BMW 3 Series’s base engine makes 255 horsepower, and the Mazda Mazda6 base engine makes 187 horsepower. The 3 Series is rated to deliver an average of 30 miles per gallon, with a highway range of 562 miles. The Mazda6 is rated to deliver an average of 29 miles per gallon, with a highway range of 574 miles.This gives the BMW 3 Series the advantage in fuel efficiency and the Mazda Mazda6 the advantage in maximum range. The 3 Series uses premium unleaded, and the Mazda6 uses regular unleaded.
Passenger Space Comparison
The Mazda Mazda6, a midsize car, has the advantage of offering more interior volume, reflected in more front leg room, rear shoulder room, rear leg room, and cargo space. The BMW 3 Series, a compact car, has the advantage in the areas of front head room, front shoulder room and rear head room.
Safety Ratings Comparison
When comparing crash test ratings from NHTSA, both the BMW 3 Series and the Mazda Mazda6 have the same average safety rating of 5 out of 5 Stars.