What Is the Price of a Mercury 115 Outboard Motor?

🛒 If you're researching the Mercury 115 outboard price, you're likely comparing models for a mid-sized boat upgrade or new build. The average retail price for a brand-new Mercury 115 hp 4-stroke outboard—such as the FourStroke ELPT or Command Thrust series—ranges from $9,500 to $12,500, depending on shaft length, trim package, dealer location, and included accessories¹. Used models typically sell between $6,000 and $8,500, based on engine hours and condition. This guide breaks down every factor that impacts final cost, including model variants, performance specs, installation needs, and common buyer pitfalls to avoid when purchasing a Mercury 115hp outboard motor.

Understanding Mercury 115 Outboard Models and Their Pricing

Not all Mercury 115 hp outboards are created equal. The price varies significantly depending on which version you choose. The main models in this horsepower class include:

• Mercury 115ELPT (FourStroke)
• Mercury 115EXLPT-EFI
• Mercury Pro XS 115
• Command Thrust 115

Each serves different use cases—from recreational fishing to high-performance bay boating—and carries distinct features that influence both performance and price.

Standard FourStroke 115HP: Entry-Level Reliability

The Mercury FourStroke 115ELPT is the most commonly purchased model in this range. It's known for fuel efficiency, quiet operation, and low emissions. With a mechanical remote control option and electric start, it’s ideal for pontoons, deck boats, and small center consoles.

⚙️ Key specs:

• Horsepower: 115 hp @ 5,500 rpm
• Shaft length: 20" (L) or 25" (XL)
• Weight: ~359 lbs (short shaft)
• Alternator output: 17A / 210W
• Fuel system: EFI (Electronic Fuel Injection)

📌 Retail prices for the base FourStroke 115ELPT typically start around $9,599 at authorized dealers, though some promotions list it as low as $9,200 with trade-in offers. The extended shaft (XL) version usually adds $200–$400 to the MSRP.

Command Thrust: Enhanced Low-End Torque

✨ A step up is the Command Thrust variant, designed with a larger-diameter propeller hub and optimized gearcase for improved hole shot and towing capacity. This makes it popular among anglers who need quick planing under load.

While visually similar to the standard FourStroke, the Command Thrust delivers better acceleration and low-speed maneuverability—especially beneficial in saltwater skiffs and flats boats.

📍 According to marine retailers like Alberni Power & Marine and Storm Marine, the Command Thrust 115HP carries a premium of approximately 8–12% over the standard model, placing its typical price between $10,500 and $11,800.

Pro XS 115: High-Performance Option

⚡ For users prioritizing speed and agility, the Mercury Pro XS 115 is engineered for lightweight performance. Though less common than the FourStroke line, the Pro XS uses a higher-displacement block and performance-tuned exhaust to deliver stronger torque across the RPM band.

This model is often selected for bass boats and competition-ready rigs. However, due to its niche market positioning, availability can be limited, and pricing tends to be higher—often exceeding $12,000 even before rigging packages.

Model	Starting Price (USD)	Key Features	Ideal For
FourStroke 115ELPT	$9,599	EFI, SmartCraft compatible, 17A alternator	Pontoons, family boats
FourStroke Command Thrust	$10,500	Larger gearcase, improved low-end torque	Skiffs, tow sports
Pro XS 115	$12,000+	High displacement, lightweight design	Bass boats, performance craft
Used (Low Hours)	$6,000–$8,500	Varies by condition and accessories	Budget-conscious buyers

Factors That Influence Mercury 115 Outboard Price

🛒 The sticker price listed online rarely reflects what you’ll actually pay. Several variables affect the final cost:

1. Dealer Location and Regional Demand 📍

Marine engine pricing isn’t standardized nationwide. Dealers in coastal regions—like Florida, the Carolinas, or Puget Sound—may charge more due to higher demand and shipping logistics. Conversely, inland dealers sometimes offer discounts to move inventory.

For example, a 2025 Mercury 115ELPT listed at $9,599 in Rhode Island might be priced at $10,200 in Southern California due to import fees and local taxes. Always request quotes from multiple dealers and ask about regional incentives.

2. New vs. Used Market Conditions ⚖️

The used market for Mercury 115s remains strong, especially for well-maintained engines with under 300 hours. When evaluating a used unit:

• Check service records (🔧 annual oil changes, impeller replacements)
• Verify if the warranty is transferable (most are, within 7 years of manufacture)
• Inspect for corrosion, especially in saltwater environments
• Avoid engines with mismatched serial numbers or rebuilt lower units

📉 Depreciation on these motors averages 12–15% per year, leveling off after five years. A 2020 model originally priced at $11,000 could reasonably sell for $6,500 today—if maintained properly.

3. Rigging and Installation Costs 🧰

⚠️ Don’t overlook rigging. The engine alone doesn’t get you on the water. Full rigging—including controls, throttle cables, fuel lines, and mounting hardware—can add $1,000–$2,000 to your total investment.

If upgrading from a smaller motor, ensure your transom and electrical system support the weight and power demands. The 115HP FourStroke draws more current than older carbureted models, so an upgraded battery may be necessary.

4. Availability and Model Year Shifts 📅

As of 2025, several dealers are clearing 2024 models to make room for 2026 inventory. This creates opportunities for savings. For instance, Boat Country USA lists a 2026 FourStroke 115hp ELPT with a $855 discount off MSRP, bringing the price down to $11,495.

However, early-year orders may face delays due to production cycles. If you need the motor immediately, consider last-year stock or certified pre-owned units.

Performance Comparison: How Does the 115HP Stack Up?

Before committing, understand how the Mercury 115 performs relative to competitors and adjacent models.

Fuel Efficiency and Operating Costs 💵

⛽ The FourStroke 115 averages 3.5–4.2 mpg at cruising speeds (3500–4500 rpm), depending on boat weight and hull design. At $4.00/gallon fuel, that’s roughly $14–$17 per hour in fuel costs during mixed-use conditions.

Compared to older two-strokes or non-direct-injected four-strokes, the Mercury 115 offers superior economy and cleaner combustion. Its SmartCraft compatibility also allows real-time monitoring of fuel burn via digital gauges.

Weight and Balance Impact ⚖️

⚖️ Dry weight for the short-shaft FourStroke is 359 lbs—lighter than many rivals in its class. Lighter weight improves boat balance, reduces strain on the transom, and enhances fuel economy.

However, lighter doesn’t always mean better. Some heavier Japanese brands distribute mass differently, affecting trim response. Test the motor on your specific hull type if possible.

Lifespan and Maintenance Needs 🔧

📊 With proper maintenance, a Mercury 115 4-stroke can last 2,000–3,000 hours. Routine tasks include:

• Oil and filter change every 100 hours or annually
• Gear lube inspection/replace every 100 hours
• Fuel filter replacement every 200 hours
• Water pump impeller check every 2–3 years
• Winterization in cold climates

📹 Videos from Brinson Marine and FloBass demonstrate full service procedures, showing that DIY owners can save hundreds per year by handling basic maintenance themselves.

Common Misconceptions About Mercury 115 Pricing ❗

Several myths persist among buyers shopping for this motor:

Myth 1: "All 115HP Motors Are the Same"

❌ False. While horsepower ratings appear identical, torque curves, gearcase designs, and weight distribution differ. The Command Thrust produces peak torque at 3,500 rpm, making it feel more responsive than the standard model despite the same HP rating.

Myth 2: "Online Listings Reflect Final Price"

❌ Not always. Many advertised prices exclude rigging, taxes, documentation, or destination fees. Always confirm whether the quote is “on-the-water” ready or just the engine-only cost.

Myth 3: "Used Engines Are Risky"

✅ Partially true—but manageable. A well-documented used engine with regular service history can be a smart buy. Look for signs of freshwater use, clean oil samples, and original parts. Avoid motors stored without winterization or with evidence of overheating.

How to Get the Best Deal on a Mercury 115 Outboard

🛍️ Follow these steps to maximize value and minimize risk:

Step 1: Define Your Use Case ✅

Ask yourself:

• Will I primarily fish in shallow waters? → Consider Command Thrust
• Do I need top speed for weekend runs? → Explore Pro XS
• Is fuel economy critical? → Stick with standard FourStroke + SmartCraft

Step 2: Get Multiple Quotes 📎

Contact at least three authorized Mercury dealers. Request itemized quotes including:

• Engine MSRP
• Rigging package cost
• Installation fee
• Warranty terms (standard is 3 years, extendable)
• Delivery or haul-out charges (if applicable)

Step 3: Time Your Purchase Strategically ⏱️

The best deals often come in late fall (post-season) or early winter when dealers clear inventory. Spring brings higher demand and fewer discounts.

Step 4: Consider Trade-Ins or Package Deals 🔄

Some dealers offer additional savings when bundling with a new boat or trading in an old motor. Even a non-running engine may have core value ($300–$800).

International Price Variations 🌐

🌍 Pricing differs globally. In the UK, the Mercury 115 FourStroke sells for £10,530–£10,800 (~$13,400–$13,700 USD), reflecting VAT, import duties, and shipping costs. In Canada, Alberni Power & Marine lists the same model at CA$14,605, which includes federal and provincial taxes.

📌 Buyers outside the U.S. should work with local distributors rather than attempting cross-border purchases, as warranty coverage is region-locked.

Final Considerations Before Buying

Before signing any agreement, verify:

• ✅ Warranty coverage (3 years standard, optional 5-year extended)
• ✅ Compatibility with existing controls or need for new setup
• ✅ Propeller selection (aluminum vs. stainless steel, pitch)
• ✅ Dealer reputation and service capacity
• ✅ Return policy or cancellation window

Never rush a purchase based solely on price. A slightly higher upfront cost from a reputable dealer with strong service support often saves money long-term.

Frequently Asked Questions (FAQ)

Below are answers to common follow-up questions from buyers researching the Mercury 115 outboard price.

❓ How much does a Mercury 115 hp 4-stroke weigh?

The dry weight of a Mercury 115 hp 4-stroke outboard is approximately 359 pounds for the short shaft (20") model and about 367 pounds for the extended shaft (25"). Weight affects boat balance and transom stress, so confirm your vessel’s maximum engine weight limit before installation.

❓ Is the Mercury 115 4-stroke a good engine?

Yes, the Mercury 115 4-stroke is widely regarded as reliable, fuel-efficient, and quiet. It performs well in pontoon boats, bay boats, and small center consoles. The Command Thrust version offers enhanced low-end torque for better hole shot, while the standard model suits general recreation. Longevity depends on consistent maintenance, but most reach 2,000+ hours with proper care.

❓ How long will a Mercury 115 last?

With regular maintenance, a Mercury 115 hp 4-stroke outboard can last between 2,000 and 3,000 operating hours. Factors like usage environment (fresh vs. saltwater), storage practices, and adherence to service intervals significantly impact lifespan. Annual oil changes, timely impeller replacements, and proper winterization are essential for maximizing durability.

❓ What is the life expectancy of a Mercury 4-stroke outboard?

The average life expectancy of a Mercury 4-stroke outboard is 15–20 years with moderate use (100–150 hours per year). That equates to roughly 2,000–3,000 total hours. Proper maintenance, avoidance of prolonged high-RPM operation, and protection from corrosion extend service life. Most failures occur due to neglect, not mechanical defects.

❓ What’s the difference between Mercury FourStroke and Pro XS 115?

The Mercury FourStroke 115 is designed for efficiency, reliability, and ease of use in recreational applications. The Pro XS 115 is built for performance, featuring a higher-displacement engine, lighter weight, and tuned exhaust for better acceleration and top-end power. Pro XS models are typically used in competition or high-speed fishing boats but cost more and may require specialized tuning.

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