At a glance, both supercars are similar in appearance other than for the front grill design, bumper and the wheels.
Both vehicles are 2 doors, with a cabin capacity for 4 passengers. Both are all-wheel drive.
Fuel consumption of TT RS is 19/29 miles per gallon in city/ highway, while the TT TFSi consumes 23/30 miles per gallon in city/highway.
The engine of the TT TFSi coupe is a 2.0lt turbocharged 4-cylinder engine with a horsepower of 220hp, torque 258lb-ft, while TT RS has a 2.5lt, turbocharged 5-cylinder engine generating 400hp, and a torque of 354 lb-ft.
The transmission system is 7-speed automatic for Audi TT RS supercar, while for TT TFSi coupe that is a 9-speed automatic transmission system.
Audi TT RS has a fuel tank capacity of 14.5 gallons approximately, while TT TFSi reports the same capacity.
Both cars have a 4-wheel ABS brake system. However, the front brake rotor diameter and the thickness of TT RS is 14.6in and rear brake rotor diameter is 12.2in. TT TFSi reports a front brake of 12.3 rotor diameter and thickness as 12.3in and for rear brake that is 11.8in
Concern for carbon emission will change the preference. In Audi TT TFSi supercar coupe CO2 emission in tons per year @ 15K mi/year is 6.8, and under same measurements, it is 8.0 for the Audi TT RS supercar.
Under EPA classifications, both supercars categorized under subcompact cars.
Considering passenger comfort, front headroom is 37.1in high and front legroom is 41.1in long for TT RS while second headroom is 33.8in and second legroom 28.9in. Measurements are the same for Audi TT TFSi supercar coupe.
Considering the kerb weight TT RS is heavier than the TT TFSi coupe. Kerb weight is 3,306lb for TT RS while it is 3,164lb for TT TFSi.
There is a difference in engine specifications. TT RS Audi supercar has an engine type intercooled Turbo premium unleaded l-5, port/direct injection fuel system, and for TT TFSi supercar the specifications read as intercooled turbo premium unleaded l-4, with a gasoline direct injection fuel system.
Net horsepower of TT RS engine is 400@5,850rpm generating a 354@1700 rpm torque. For TT TFSi engine the horsepower generation is 220@ 4,500rpm, and the torque is 258@ 1,600rpm.
Tire sizes also differ for the two supercar models. Audi TT RS has P245/35YR19 for both front and rear tires, and for TT TFSi that is P245/40YR18 for both tires. Wheel size for TT RS is 19 X 9 in, and TT TFSi is 18 X 8.5in.
Exterior finish and entertainment devices for both have no difference.
All in all both cars have same features with a slight difference in engine performance.See more from our Head 2 Head Series