2011 Porsche Boxster Spyder vs BMW Z4 sDrive30i — Side by Side Comparison

How does the 2011 Porsche Boxster Spyder compare to the BMW Z4 sDrive30i? We put them side by side using EPA fuel economy data and NHTSA safety ratings.

Specifications Comparison

FeaturePorsche Boxster SpyderBMW Z4 sDrive30i
Combined MPG2322
City MPG2019
Highway MPG2928
Body StyleSports CarSports Car
DriveRWDRWD
Fuel TypePremiumPremium
Safety RatingN/A / 5N/A / 5
Recalls00
Trims Available22

Fuel Economy

The Porsche Boxster Spyder is more fuel efficient by 1 MPG combined. Over a year, the BMW Z4 sDrive30i saves approximately $0 in fuel costs.

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