MerCruiser fuel consumption chart


*L = Liter per Hour / RPM

Select MerCruiser Test Model

HP

Fuel consumption WOT

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MerCruiser 3.0 MPI/TKS - 181 cid 135 hp 39.5 LPH
MerCruiser 4.3 TKS - 262 cid 190 hp 60.5 LPH
MerCruiser 4.3 MPI - 262 cid 220 hp 68.0 LPH
MerCruiser 4.5 MPI - V6 250 hp 74.5 LPH
MerCruiser 5.0 TKS - 305 cid 220 hp 68.5 LPH
MerCruiser 5.0 MPI - 305 cid 260 hp 70.0 LPH
MerCruiser 5.7 L - 350 cid 260 hp 79.5 LPH
MerCruiser 5.7 MAG - 350 cid 300 hp 87.0 LPH
MerCruiser 6.2 MAG - 377 cid 320 hp 92.5 LPH
MerCruiser 7.4 MPI - 454 cid 310 hp 109 LPH
MerCruiser 8.1 MAG - 496 cid 375 hp 114 LPH
MerCruiser 8.1 HO - 496 cid 425 hp 127 LPH
MerCruiser 8.2 MAG - 502 cid 380 hp 117 LPH
MerCruiser 8.2 HO - 502 cid 430 hp 141 LPH


Factors such as propeller pitch, weight, hull / water conditions, etc. may affect the consumption figures.

Fuel Consumption Chart - LPH

HP

Idle

1000

1500

2000

2500

3000

3500

4000

4500

WOT

MerCruiser 3.0 MPI/TKS

135 hp 1.50 3.00 5.50 11.0 14.5 18.5 24.0 28.0 35.5 39.5 LPH

MerCruiser 4.3

190 hp 2.30 4.20 9.50 15.0 19.0 22.5 28.5 39.0 55.0 60.5 LPH

MerCruiser 4.3 MPI

220 hp 2.00 4.10 10.2 14.5 17.5 22.0 31.0 46.0 61.5 68.0 LPH

MerCruiser 4.5 MPI V6

250 hp 2.60 4.90 8.30 15.1 22.3 24.9 30.6 38.2 55.1 74.5 LPH

MerCruiser 5.0

220 hp 3.00 5.50 10.5 18.5 24.9 30.6 35.5 43.4 61.5 68.5 LPH

MerCruiser 5.0 MPI

260 hp 3.40 5.30 9.50 17.0 22.5 30.5 38.0 47.5 60.5 70.0 LPH

MerCruiser 5.7 / 350

260 hp 3.50 5.00 9.50 17.0 25.0 33.0 36.5 46.5 62.0 79.5 LPH

MerCruiser 350 MAG MPI / 5.7

300 hp 3.80 5.50 9.50 17.0 22.5 28.5 37.5 47.0 62.5 87.0 LPH

MerCruiser 6.2 MPI / 377 MAG

320 hp 4.00 7.50 11.5 17.0 26.5 34.0 43.5 53.0 68.0 92.5 LPH

MerCruiser 7.4 MPI / 454 MPI

310 hp 4.70 8.30 14.0 23.0 37.5 46.5 66.0 83.0 109 109 LPH

MerCruiser 8.1 MAG / 496 MAG

375 hp 4.50 7.90 11.5 21.5 32.0 40.0 50.5 69.5 102 114 LPH

MerCruiser 8.1 HO / 496 HO

425 hp 4.50 9.80 17.0 22.5 30.0 43.5 60.5 81.0 107 127 LPH

MerCruiser 8.2 MAG / 502 MAG

380 hp 4.50 8.70 15.0 26.5 32.0 41.5 55.0 73.5 102 117 LPH

MerCruiser 8.2 HO / 502 HO

430 hp 4.50 9.50 15.0 28.5 36.0 47.0 64.5 81.0 109 141 LPH