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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 2-door coupe body style within the same 'Sports car' segment, the only major difference here really is their wheel drive configuration (rear for the Porsche and 4 x 4 in the case of the Audi). The first one has a Porsche-engineered powertrain under the hood, a 6-cylinder, 24-valves 360hp unit, while the other one gets its power and torque from a 6-cylinder, 24-valves 250hp engine designed by Volkswagen.
SafetyThe fact that the Audi 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 sports car segment, which is generally classifying them somewhere in the middle safety-wise, but it doesn't do much to help us decide between the two. On the other hand, taking kerb weight as an important factor into account, Audi TT offers a considerable difference of 10% more metal.
ReliabilityManufacturers have been building their reliability reputation for decades now and, generally speaking, it appears that Audi does have a slight advantage, when all the models are taken into account. These are the official statistics, while our visitors describe reliability of Porsche with an average rating of 3.7, and models under the Audi badge with 4.2 out of 5. Some independent research have also placed 911 as average reliability-wise, and TT is more or less at the same level.That apart, owners of different cars powered by the same engine as 911 rank it on average as 3.0, while the one under the competitor's bonnet gets 4.3 out of 5.
Performance & Fuel economyPorsche is undoubtly more agile, reaching 100km/h in 1.5 seconds less than its competitor. In addition to that it accelerates all the way to 302 kilometers per hour, 52km/h more than the other car. When it comes to fuel economy an obvious choice would be Audi TT, averaging around 10.6 liters of fuel per 100 kilometers (27 mpg), in combined cycle. That's 22% difference compared to 911!
Verdict
Audi 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, Audi TT beats the other contender by far, making it the best choice without even considering other things. From there things take a different direction, with Porsche 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 Audi. 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.