Sitting beneath the SL 500 is the SL 400, powered by a turbocharged 3.0-litre V6. Moreover, because of the SL 400's 87bhp power disadvantage against the SL 500, its power is more usable on UK roads.
The uplevel SL600 comes with a 6-liter, 389-h.p. V-12 that’s quicker off the line yet gets only 13/19. As a result of its 16/23 m.p.g. rating, be prepared to hand over $1,000 in gas-guzzler tax
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