TT Audi and Sumo Prado both are luxurious cars with equal level of elegance. Comparing them in terms of looks, TT Audi has a sharp, slim body that is slightly longer than usual suvs of the same size. It originated from Germany, reflecting its German engineering precision. On the other hand, Sumo Prado has a bulkier body with a bit more stiffness than the latter. It is Japanese-made, hence its distinct design of a powerful off-road vehicle.

When it comes to seating capacity and comfort, TT Audi has room to seat up to five passengers, while Sumo Prado comfortably seats seven passengers. Both cars carry a sufficient amount of cargo space to haul luggage. However, Sumo Prado has more trunk space than TT Audi due to its larger size.

On the performance front, TT Audi is equipped with a powerful 3.2-liter V-6 engine that produces 320 horsepower. It is rated to go from zero to sixty miles per hour in just seven point nine seconds. On the other hand, Sumo Prado is powered by a 2.5-liter turbo diesel engine which produces 175 horsepower. It has a maximum speed of one hundred and twenty five miles per hour, slightly slower than that of TT Audi.

In terms of functionality, both cars have advanced driver-assist systems, such as parking assist, lane-departure warnings, blind-spot monitoring, and adaptive cruise control. On this front, there is no clear winner though both vehicles offer a varying degree of safety features.

When it comes to fuel efficiency, however, TT Audi has the edge over Sumo Prado. It has an EPA rating of 22 miles per gallon in city driving and 28 miles per gallon on the highway. In comparison, Sumo Prado has rated of 18 miles per gallon and 22 miles per gallon in city and highway driving respectively.

In conclusion, both TT Audi and Sumo Prado are excellent vehicles that can fit anyone's needs, depending on their budget and preference. TT Audi offers sleek elegance with dizzying performance while Sumo Prado provides the rugged off-road power combined with a spacious and comfortable interior. Both are great vehicles, just tailored for different needs.