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*G = US Gallons per Hour / RPM |
Select MerCruiser Test Model |
HP |
Fuel consumption WOT |
Boat owner? |
|---|---|---|---|---|
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| MerCruiser 3.0 MPI/TKS - 181 cid | 135 hp | 10.5 GPH |
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| MerCruiser 4.3 TKS - 262 cid | 190 hp | 16.0 GPH |
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| MerCruiser 4.3 MPI - 262 cid | 220 hp | 18.0 GPH |
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| MerCruiser 4.5 MPI - V6 | 250 hp | 19.7 GPH |
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| MerCruiser 5.0 TKS - 305 cid | 220 hp | 18.2 GPH |
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| MerCruiser 5.0 MPI - 305 cid | 260 hp | 18.5 GPH |
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| MerCruiser 5.7 L - 350 cid | 260 hp | 21.0 GPH |
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| MerCruiser 5.7 MAG - 350 cid | 300 hp | 23.0 GPH |
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| MerCruiser 6.2 MAG - 377 cid | 320 hp | 24.5 GPH |
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| MerCruiser 7.4 MPI - 454 cid | 310 hp | 28.5 GPH |
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| MerCruiser 8.1 MAG - 496 cid | 375 hp | 30.5 GPH |
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| MerCruiser 8.1 HO - 496 cid | 425 hp | 33.5 GPH |
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| MerCruiser 8.2 MAG - 502 cid | 380 hp | 31.0 GPH |
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| MerCruiser 8.2 HO - 502 cid | 430 hp | 37.5 GPH |
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Factors such as propeller pitch, weight, hull / water conditions, etc. may affect the consumption figures.
Fuel Consumption Chart - GPH |
HP |
Idle |
1000 |
1500 |
2000 |
2500 |
3000 |
3500 |
4000 |
4500 |
WOT |
|---|---|---|---|---|---|---|---|---|---|---|---|
MerCruiser 3.0 MPI/TKS |
135 hp | 0.50 | 1.00 | 1.50 | 2.90 | 3.80 | 4.80 | 6.20 | 7.40 | 9.30 | 10.5 GPH |
MerCruiser 4.3 |
190 hp | 0.60 | 1.10 | 2.50 | 3.90 | 5.00 | 6.10 | 7.50 | 10.5 | 14.5 | 16.0 GPH |
MerCruiser 4.3 MPI |
220 hp | 0.60 | 1.20 | 2.50 | 4.00 | 4.50 | 6.00 | 8.50 | 12.0 | 16.0 | 18.0 GPH |
MerCruiser 4.5 MPI – V6 |
250 hp | 0.70 | 1.30 | 2.20 | 4.00 | 5.90 | 6.60 | 8.10 | 10.1 | 14.6 | 19.7 GPH |
MerCruiser 5.0 |
220 hp | 0.80 | 1.50 | 2.80 | 4.90 | 6.60 | 8.10 | 9.40 | 11.5 | 16.3 | 18.2 GPH |
MerCruiser 5.0 MPI |
260 hp | 0.90 | 1.40 | 2.50 | 4.50 | 6.00 | 7.90 | 10.0 | 12.5 | 16.0 | 18.5 GPH |
MerCruiser 5.7 / 350 |
260 hp | 1.00 | 1.40 | 2.50 | 4.50 | 6.60 | 8.70 | 9.80 | 12.5 | 17.2 | 21.0 GPH |
MerCruiser 350 MAG MPI / 5.7 |
300 hp | 1.00 | 1.50 | 2.50 | 4.50 | 6.00 | 7.50 | 10.0 | 12.5 | 16.5 | 23.0 GPH |
MerCruiser 6.2 MPI / 377 MAG |
320 hp | 1.10 | 2.00 | 3.00 | 4.50 | 7.00 | 9.00 | 11.5 | 14.0 | 18.0 | 24.5 GPH |
MerCruiser 7.4 MPI / 454 MPI |
310 hp | 1.30 | 2.50 | 3.50 | 6.10 | 9.90 | 12.5 | 17.4 | 22.0 | 28.5 | 28.5 GPH |
MerCruiser 8.1 MAG / 496 MAG |
375 hp | 1.20 | 2.30 | 3.50 | 5.50 | 8.00 | 11.5 | 15.0 | 20.5 | 27.5 | 30.5 GPH |
MerCruiser 8.1 HO / 496 HO |
425 hp | 1.20 | 2.60 | 4.50 | 6.00 | 8.00 | 11.5 | 16.0 | 21.5 | 28.5 | 33.5 GPH |
MerCruiser 8.2 MAG / 502 MAG |
380 hp | 1.20 | 2.30 | 4.00 | 7.00 | 8.50 | 11.0 | 14.5 | 19.5 | 27.0 | 31.0 GPH |
MerCruiser 8.2 HO / 502 HO |
430 hp | 1.20 | 2.50 | 4.00 | 7.50 | 9.50 | 12.5 | 17.0 | 21.5 | 29.0 | 37.5 GPH |
