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Virtual Adviser's™ opinion
Well, these are two pretty similar cars we have here! It's only details that could potentially make the difference. Considering they both belong to the suv segment and utilize the same 5-door suv body style and the 4 x 4 wheel drive system, it all comes up to the specific diesel engine choice they offer. The first one has a Mazda-engineered powertrain under the hood, a 4-cylinder, 16-valves 173hp unit, while the other one gets its power and torque from a 6-cylinder, 24-valves 240hp engine designed by Renault.Safety
The 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. Moving further on, let's take a closer look at some additional safety-related facts. Both vehicles belong to the suv segment, which is generally a very good thing safety-wise, but that fact doesn't break the tie between the two cars. On the other hand, taking kerb weight as an important factor into account, Infiniti EX offers a marginal difference of 6% more metal.Reliability
I don't like generalizing things when it comes to reliability, although it does seem that Mazda does have a slight advantage, when all the models are taken into account. That's the official data, while our visitors describe reliability of Mazda with an average rating of 4.5, and models under the Infiniti badge with 4.6 out of 5. Some independent research have also placed CX-7 50% below average, and EX those same 50% above the first one. Above it all, drivers of cars with the same engine as CX-7 rank it on average as 5.0, while the one under the competitor's bonnet gets 3.3 out of 5.Performance & Fuel economy
Infiniti is way more agile, reaching 100km/h in 3.4 seconds less than its competitor. In addition to that it accelerates all the way to 221 kilometers per hour, 21km/h more than the other car. When it comes to fuel economy the winner has to be CX-7, averaging around 7.5 liters of fuel per 100 kilometers (38 mpg), in combined cycle. We can't ignore that 13% difference compared to Infiniti EX.
Mazda 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, CX-7 offers much better overall protection, which launches it ahead of the other contender. From there things take a different direction, with Infiniti outracing its opponent in any situation possible, making it better choice for boy racers. 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. Anyway, that's the most objective conclusion I could've came up with and it's based solely on the information found on this website. Aspects such as design, practicality, brand value and driving experience are there for you to measure them out. Also, you could use the oportunity to find out which car, everything taken into account, would be the perfect choice for you in the eyes of the virtual adviser™, among more than 12.000 different ones in our database.