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2019 BMW Z4 sDrive30i vs. 2019 Porsche 718 Boxster Photos

After nearly a decade spent with a folding aluminum roof, the BMW Z4 returns to the Z car's roots as a softtop convertible and a coupe. Until the 382-hp Z4 M40i arrives later this year, BMW's sole offering is this sDrive30i, which drives its rear wheels with a 255-hp turbocharged 2.0-liter inline-four lashed to an eight-speed automatic. Pricing starts at $50,695 and swells quickly.

2019 BMW Z4 sDrive30i vs. 2019 Porsche 718 Boxster Photos

Two pricey four-cylinder convertibles strike gold on a tangle of Sierra Nevada asphalt.

From Car and Driver