20 HP Outboard Motors for Sale

(14 products)

EFI 4-Stroke Power for Fishing Boats, Inflatables and Light Fiberglass Hulls
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The 20 HP outboard class has seen a significant upgrade over the past decade. Where carbureted 20 HP motors once dominated this segment, today's best sellers; including the Suzuki DF20A and Honda BF20; feature multi-point electronic fuel injection for reliable cold starts, better throttle response, and improved fuel economy at cruise speeds.

A 20 HP motor is the ideal step up from the 9.9-15 HP class for boaters who want noticeably more top-end speed without moving to a full-size remote-steering setup. At Boat Max Online, our 20 HP selection spans tiller and remote configurations, short and long shaft, with manual and electric start options from our authorized brand lineup.

All motors are brand new and ship with full manufacturer warranty. We are an authorized Suzuki, Honda, and Tohatsu dealer. Orders over $499 qualify for free shipping to the continental United States.

✔ High-performance 4-stroke technology for fuel efficiency and low emissions.

✔ Lightweight & easy to transport with a compact design.

✔ Electric & manual start options for convenience.

✔ Quiet operation with minimal vibration.

✔ Best 20HP outboard motor prices—comes with a full manufacturer warranty.

If you’re looking for a dependable 20HP outboard motor, this is the ideal combination of power and portability.

Order today and get fast shipping on your new 20HP outboard motor!

Boat Motors Frequently Asked Questions

How much faster is a 20 HP outboard compared to a 15 HP on the same boat?

On a typical 14-foot aluminum boat, a 20 HP motor will produce 3-6 mph more top speed than a 15 HP motor. The bigger improvement is in load tolerance; a 20 HP motor maintains planing speed with heavier loads where a 15 HP may struggle.

Is the Suzuki DF20A fuel injected?

Yes. The Suzuki DF20A is one of the only 20 HP outboards in the world with multi-point sequential electronic fuel injection. This delivers reliable starts, better fuel economy, and smoother power delivery compared to carbureted 20 HP alternatives.

What boats are best suited for a 20 HP outboard?

Aluminum fishing boats 12-15 feet, small fiberglass runabouts, inflatable RIBs, and lightweight pontoon boats all work well with a 20 HP motor. It provides planing performance for lightly loaded hulls in this range.

Can I run a 20 HP motor in saltwater?

Yes. Most 20 HP 4-stroke motors include saltwater-compatible components. Flush with fresh water after every saltwater use and apply anti-corrosion spray to electrical connections seasonally.

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