INFINITI Q50 vs. Mazda Mazda6

iSeeCars' unbiased and data-driven comparison of the INFINITI Q50 and Mazda Mazda6 contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the INFINITI Q50 and the Mazda Mazda6.

When we compare the INFINITI Q50's and the Mazda Mazda6's specifications and ratings, the INFINITI Q50 has the advantage in the areas of interior volume 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, and fuel efficiency, reliability, resale value and overall quality score. Based on this comparison of the INFINITI Q50's and the Mazda Mazda6's specifications and ratings, the Mazda Mazda6 is a better car than the INFINITI Q50.

Pricing: A used 2021 INFINITI Q50 ranges from $22,601 to $38,966 while a used 2021 Mazda Mazda6 is priced between $18,276 to $28,457.

Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the INFINITI Q50 loses 51.7 percent of its value and the Mazda Mazda6 loses 37.9 percent of its value. This means the Mazda Mazda6 retains 13.8 percentage points more of its value and has the advantage of higher resale value versus the INFINITI Q50.

Quality Rating: The iSeeCars Overall Quality rating for the INFINITI Q50 is 7.2 out of 10 while the Mazda Mazda6's quality rating is 8.8 out of 10. This results in the INFINITI Q50 being ranked 16 out of 36 Best Luxury Small Cars and the Mazda Mazda6 being ranked 5 out of 13 Best Midsize Cars.

Reliability Rating: iSeeCars’ Reliability Rating for the INFINITI Q50 is 7.2 out of 10. For the Mazda Mazda6 the reliability rating is 8.3 out of 10. This gives the Mazda Mazda6 an advantage in reliability compared to the INFINITI Q50.

Engine Power and Fuel Efficiency Comparison: For engine performance, the INFINITI Q50’s base engine makes 300 horsepower, and the Mazda Mazda6 base engine makes 187 horsepower. The Q50 is rated to deliver an average of 23 miles per gallon, with a highway range of 580 miles. The Mazda6 is rated to deliver an average of 29 miles per gallon, with a highway range of 574 miles.This gives the Mazda Mazda6 the advantage in fuel efficiency and the INFINITI Q50 the advantage in maximum range. The Q50 uses premium unleaded, and the Mazda6 uses regular unleaded.

Passenger Space Comparison: The INFINITI Q50, a compact car, has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, front leg room, rear head room and rear shoulder room. The Mazda Mazda6, a midsize car, has the advantage in the areas of rear leg room cargo space.

Safety Ratings: The Mazda Mazda6 has an average safety rating of 5 out of 5 Stars based on NHTSA's crash test ratings.