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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 city car segment and utilize the same 5-door hatchback body style and the front wheel drive system, it all comes up to the specific petrol engine choice they offer. Both the engines are Daihatsu-engineered . The first one has a 4-cylinder, 16-valves 91hp unit, while the other one gets its power and torque from a 3-cylinder, 12-valves 71hp one.
SafetyThe fact that the Daihatsu 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 city car segment, which is generally not a very good thing safety-wise, still it doesn't help us solve our dilemma, does it? Furthermore, if we'd like to consider vehicle mass in this context too, which we definitely should, Sirion offers a marginal difference of 3% more metal.
ReliabilityManufacturers have been building their reliability reputation for decades now and, generally speaking, it appears that Daihatsu as a brand displays somewhat better results, all the models observed together. These are the results of an independent reasearch, while our visitors describe reliability of Daihatsu with an average rating of 4.1, and models under the Subaru badge with 4.2 out of 5. Independent research findings rank Sirion as average reliability-wise, and Justy is more or less at the same level.Above it all, drivers of cars with the same engine as Sirion rank it on average as 5.0, while the one under the competitor's bonnet gets 1.8 out of 5.
Performance & Fuel economyDaihatsu is undoubtly more agile, reaching 100km/h in 2.6 seconds less than its competitor. In addition to that it accelerates all the way to 170 kilometers per hour, 10km/h more than the other car. When it comes to fuel economy the winner has to be Justy, averaging around 5 liters of fuel per 100 kilometers (57 mpg), in combined cycle. We can't ignore that 16% difference compared to Sirion.
Verdict
Daihatsu definitely wins the reliability competition, everything taken into consideration. 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, Sirion beats the other contender by far, making it the best choice without even considering other things. It all continues in the same direction, with Daihatsu being considerably quicker, thus putting more smile on driver's face. 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 Daihatsu. 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™, out of 12.000+ vehicles we currently have in our database.