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Virtual Adviser's™ opinion
Two significantly similar cars, no doubt about that. Still, each one has something different to offer. Having both cars powered by petrol engines and utilizing the 4-door sedan body style within the same 'Large family car' segment, the only major difference here really is their wheel drive configuration (front for the Mazda and 4 x 4 in the case of the Subaru). The first one has a Mazda-engineered powertrain under the hood, a 4-cylinder, 16-valves 145hp unit, while the other one gets its power and torque from a 4-cylinder, 16-valves 162hp engine designed by Subaru.
SafetyThe fact that the Mazda got tested by the European New Car Assessment Programme (Euro NCAP), while the other contender didn't, offers a slight advantage, as the 4-star rating is better than none. Still, apart from the official crash test results there are other things we need to be aware of. Both vehicles belong to the large family car segment, which is generally a good thing safety-wise, but that fact doesn't break the tie between the two cars. On the other hand, if we'd like to consider vehicle mass in this context too, which we definitely should, Legacy offers a marginal difference of 4% more metal.
ReliabilityManufacturers have been building their reliability reputation for decades now and, generally speaking, it appears that Mazda does have a slight advantage, when all the models are taken into account. These are the results of an independent reasearch, while our visitors describe reliability of Mazda with an average rating of 4.4, and models under the Subaru badge with 4.2 out of 5. Some independent research have also placed 6 as average reliability-wise, and Legacy is more or less at the same level.We should definitely mention that owners of cars with the same powertrain as Mazda 6 rank it on average as 4.2, while the one under the competitor's bonnet gets 4.8 out of 5.
Performance & Fuel economySubaru is a bit more agile, reaching 100km/h in 0.2 seconds less than its competitor. Still, it lacks the power to win the top speed competition, topping at 209 kilometers per hour, 2km/h less than the other car. When it comes to fuel economy the winner has to be Mazda 6, averaging around 7.8 liters of fuel per 100 kilometers (36 mpg), in combined cycle. We can't ignore that 10% difference compared to Legacy.
Verdict
Subaru appears just a bit more reliable, although the difference is truly marginal. The most important thing when deciding between any two vehicles should always be safety, both passive and active. In my opinion, everything taken into account, Mazda 6 offers much better overall protection, which launches it ahead of the other contender. From there things take a different direction, with Subaru offering somewhat better performance, just enough to call it quicker. It does come at a cost though, and that's the fuel consumption... All together, there's not much more to say, in this case I wouldn't even consider anything but Mazda. In any case that's my personal view, built upon all the data available to me. What should decide here though is the way you feel about the two vehicles, and I hope you'll find my guidelines useful in the process. I suggest you spend two more minutes in order to find out which car, based on your needs and budget, would be picked by the virtual adviser™, out of 12.000+ vehicles we currently have in our database.