MerCruiser fuel consumption chart


*G = US Gallons per Hour / RPM

Select MerCruiser Test Model

HP

Fuel consumption WOT

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MerCruiser 3.0 MPI/TKS - 181 cid 135 hp 10.5 GPH
MerCruiser 4.3 TKS - 262 cid 190 hp 16.0 GPH
MerCruiser 4.3 MPI - 262 cid 220 hp 18.0 GPH
MerCruiser 4.5 MPI - V6 250 hp 19.7 GPH
MerCruiser 5.0 TKS - 305 cid 220 hp 18.2 GPH
MerCruiser 5.0 MPI - 305 cid 260 hp 18.5 GPH
MerCruiser 5.7 L - 350 cid 260 hp 21.0 GPH
MerCruiser 5.7 MAG - 350 cid 300 hp 23.0 GPH
MerCruiser 6.2 MAG - 377 cid 320 hp 24.5 GPH
MerCruiser 7.4 MPI - 454 cid 310 hp 28.5 GPH
MerCruiser 8.1 MAG - 496 cid 375 hp 30.5 GPH
MerCruiser 8.1 HO - 496 cid 425 hp 33.5 GPH
MerCruiser 8.2 MAG - 502 cid 380 hp 31.0 GPH
MerCruiser 8.2 HO - 502 cid 430 hp 37.5 GPH