Real MPG: Mercedes-Benz SL-Class (2008 - 2012) SL55 AMG

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19.3
Official MPG
(NEDC)
13.9–21.3
Real MPG
18.3
Real MPG
Average
95%
of Official MPG
(NEDC)

More engines available for this model:

Engine Official MPG (NEDC) Official MPG (WLTP) Real MPG Avg. Real MPG %  
SL 300 30.4 mpg - 26.4 mpg 87% Submit
SL 350 29.1 mpg - 26.1 mpg 90% Submit
SL 500 24.4 mpg - 23.7 mpg 97% Submit
SL 600 20.3 mpg - - - Submit
SL 63 AMG 20.0 mpg - 19.5 mpg 98% Submit
SL 65 AMG 20.2 mpg - 17.9 mpg 88% Submit
*Based on WLTP MPG values

Read the Honest John review...

Mercedes-Benz SL-Class (2008 - 2012)

Great performance from all the engines with SL350 the pick of the bunch, neat folding metal roof.

Rivals

Mercedes-Benz SL-Class (2008 - 2012) 23.3 avg mpg
BMW Z4 (2009 - 2016) 32.2 avg mpg
BMW 1 Series Convertible (2008 - 2014) 40.1 avg mpg
MINI Convertible (2009 - 2015) 43.8 avg mpg

View more rival models