The Mercedes-Benz SLC-Class roadster (formerly the SLK) is one primary rival to the TT; it gets refreshed for 2017.
The SLC feels like a more mature car compared to the TT, although with the introduction of a new Mercedes-AMG SLC43 performance model, with a turbo inline-4, the SLC more closely rivals the TTS.
With its retractable hardtop and more traditional, grand-touring sports car layout, the SLC is a little more comfortable and luxurious.
The BMW Z4 has become more of a touring car in its current guise; the price for the Z4 is also significantly higher than that of the TT.
The Porsche Boxster, now known as the Porsche 718 Boxster, and the Cayman, now the 718, get new-generation 4-cylinder engines, and while they're purpose-built sports cars, they're also now a bit closer to the TTS in a specs panel.
The BMW M235i is more of a traditional rear-wheel-drive sport coupe, and an ideal counterpoint to the TT, with its simple, more conservative interior and interface.
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|2017 Audi TTBrowse Used Listings||2017 Mercedes-Benz SLC ClassBrowse Used Listings||2017 Porsche 718Browse Used Listings||2016 BMW Z4Browse Used Listings||2016 BMW 2-SeriesBrowse Used Listings|
|23 MPG City / 30 MPG Hwy||20 MPG City / 32 MPG Hwy||20 MPG City / 28 MPG Hwy||17 MPG City / 34 MPG Hwy||18 MPG City / 35 MPG Hwy|
|Intercooled Turbo Premium Unleaded I-4||Intercooled Turbo Premium Unleaded I-4||Intercooled Turbo Premium Unleaded H-4||Intercooled Turbo Premium Unleaded I-4||Intercooled Turbo Premium Unleaded I-4|
|Subcompact Cars||Two-Seaters||Two-Seaters||Two-Seaters||Subcompact Cars|
|2.0 TFSI||SLC 300 Roadster||Coupe||2-Door Roadster sDrive28i||2-Door Coupe 228i RWD|
|All Wheel Drive||Rear Wheel Drive||Rear Wheel Drive||Rear Wheel Drive||Rear Wheel Drive|
|Auto-Shift Manual w/OD||Automatic w/OD||Manual w/OD||Manual w/OD||Manual w/OD|
|Detailed Spec Comparison|
|2017 Audi TT vs. 2017 Mercedes-Benz SLC Class||2017 Audi TT vs. 2017 Porsche 718||2017 Audi TT vs. 2016 BMW Z4||2017 Audi TT vs. 2016 BMW 2-Series|