The Porsche Boxster is the benchmark of the compact luxury sports segment.
But it's hardly fair comparing it, as it's more of a true sports car in layout and presentation.
Even nimbler than the TT and recently redesigned with a modern, sexy design inside and out--but it's far more expensive.
Mercedes-Benz's SLK is heavier and less athletic, but offers a folding hardtop and its own take on modern style--plus a rorty AMG performance version.
BMW's Z4 is perhaps the closest match for the TT in performance, but the TT is nimbler while the Z4 is more powerful in some forms.
Nissan's 370Z is an affordable alternative with impressive power and performance, though it's not the refined luxury vehicle the TT is.
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 2015 Audi TTBrowse Used Listings |  2015 BMW Z4Browse Used Listings |  2015 Mercedes-Benz SLK ClassBrowse Used Listings |  2015 Nissan 370ZBrowse Used Listings |  2015 Porsche BoxsterBrowse Used Listings |
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| Quick Specs | ||||
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The 2015 Audi TT is quick, fun, and stylish -- but it skips full sports-car credentials in favor of a little more practicality. |
The 2015 BMW Z4 is on the pricier side of the roadster segment, but it offers a nice blend of comfort, sport, and technology. |
The 2015 Mercedes-Benz SLK-Class combines mini-SL style with a choice of efficient or potent powertrains, but it's better suited to cruising than corner-carving. |
The 2015 Nissan 370Z continues to offer excellent sports car value and personality. |
The 2015 Porsche Boxster is a relative performance bargain, combining everyday usability with a balanced chassis and sweet engines. |
| MSRP From | ||||
| $40,350 | $48,950 | $43,950 | $29,990 | $51,400 |
| Gas Mileage | ||||
| 22 MPG City / 31 MPG Hwy | 17 MPG City / 34 MPG Hwy | 19 MPG City / 32 MPG Hwy | 17 MPG City / 26 MPG Hwy | 19 MPG City / 30 MPG Hwy |
| Engine | ||||
| Intercooled Turbo Premium Unleaded I-4 | Intercooled Turbo Premium Unleaded I-4 | Intercooled Turbo Premium Unleaded I-4 | Premium Unleaded V-6 | Premium Unleaded H-6 |
| EPA Class | ||||
| Subcompact Cars | Two Seaters | Two Seaters | Two Seaters | Two Seaters |
| Style Name | ||||
| 2-Door Coupe S tronic quattro 2.0T | 2-Door Roadster sDrive28i | 2-Door Roadster SLK 250 | 2-Door Coupe Manual | 2-Door Roadster |
| Drivetrain | ||||
| All Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive | Rear Wheel Drive |
| Passenger Capacity | ||||
| 4 | 2 | 2 | 2 | 2 |
| Passenger Doors | ||||
| N/A | N/A | N/A | N/A | N/A |
| Body Style | ||||
| quattro Coupe | Roadster | Roadster | Coupe | Convertible |
| Transmission | ||||
| Auto-Shift Manual w/OD | Manual w/OD | Manual w/OD | Manual w/OD | Manual w/OD |
| Detailed Spec Comparison | ||||
| 2015 Audi TT vs. 2015 BMW Z4 | 2015 Audi TT vs. 2015 Mercedes-Benz SLK Class | 2015 Audi TT vs. 2015 Nissan 370Z | 2015 Audi TT vs. 2015 Porsche Boxster | |
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