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Jet Ski Fuel Economy: Which Models Save the Most Money?

March 10, 2026
Powersport Team
fuel economycostsefficiencycomparison
# Jet Ski Fuel Economy Comparison 2026 ## Fuel Consumption Basics **Measurement:** Gallons per hour (GPH) **Average:** 3-8 GPH depending on model ## Most Fuel-Efficient Models ### 1. Sea-Doo Spark 90 HP - **Consumption:** 2 GPH - **Tank size:** 7.9 gallons - **Range:** 90+ miles - **Cost per hour:** $8-10 - **Winner:** Best fuel economy ### 2. Yamaha EX 110 HP - **Consumption:** 2.4 GPH - **Tank size:** 13.2 gallons - **Range:** 100+ miles - **Cost per hour:** $10-12 ### 3. Sea-Doo GTI 130 HP - **Consumption:** 3.2 GPH - **Tank size:** 15.9 gallons - **Range:** 95+ miles - **Cost per hour:** $13-16 ### 4. Kawasaki STX 160 HP - **Consumption:** 4 GPH - **Tank size:** 20.6 gallons - **Range:** 95+ miles - **Cost per hour:** $16-20 ### 5. Yamaha VX 180 HP - **Consumption:** 4.5 GPH - **Tank size:** 18.5 gallons - **Range:** 85+ miles - **Cost per hour:** $18-23 ## High-Performance Models ### Sea-Doo RXT-X 300 HP - **Consumption:** 8+ GPH (full throttle) - **Cost per hour:** $32-40 - **Trade-off:** Maximum power ### Yamaha GP1800R SVHO 250 HP - **Consumption:** 7 GPH (aggressive) - **Cost per hour:** $28-35 - **Better than:** Competitors at same power ## Factors Affecting Fuel Economy ### 1. Riding Style - **Cruising (3,000-5,000 RPM):** Best economy - **Sport (6,000-7,000 RPM):** Moderate consumption - **Full throttle:** 2-3x fuel consumption ### 2. Weight - Solo rider: Best economy - 3 passengers: 20-30% more fuel ### 3. Water Conditions - Calm water: Optimal - Choppy: 15-25% more fuel - Ocean waves: 30-40% more fuel ### 4. Maintenance - Clean hull: 10% better economy - Fresh spark plugs: 5-10% improvement - Clean air filter: 5% improvement ## Annual Fuel Cost Comparison **Assumptions:** - 50 hours riding/year - Gas: $4/gallon | Model | GPH | Annual Gallons | Annual Cost | |-------|-----|---------------|-------------| | Spark 90 | 2.0 | 100 | $400 | | EX 110 | 2.4 | 120 | $480 | | GTI 130 | 3.2 | 160 | $640 | | STX 160 | 4.0 | 200 | $800 | | VX 180 | 4.5 | 225 | $900 | | RXT-X 300 | 8.0 | 400 | $1,600 | **5-Year Fuel Cost Difference:** - Spark vs RXT-X: $6,000 savings! ## Eco-Riding Tips ### 1. Cruise at 5,000 RPM - Sweet spot for efficiency - 70-80% of power - 50% less fuel than full throttle ### 2. Avoid Frequent Acceleration - Smooth throttle inputs - Plan ahead - Saves 15-20% fuel ### 3. Reduce Weight - Remove unnecessary items - Drain storage compartments - Less cargo drag ### 4. Keep Hull Clean - Remove growth/debris - Smooth hull = less drag - 10% fuel savings ### 5. Use Slow Mode - Available on many models - Limits throttle - Great for no-wake zones ### 6. Plan Efficient Routes - Avoid unnecessary travel - Group rides efficiently - Minimize idle time ## ECO Modes **Sea-Doo Touring Mode:** - Limits performance - 25% better economy - Still fun riding **Yamaha Low RPM Mode:** - Caps at 5,000 RPM - Excellent for cruising - Maximizes range ## Real-World Range **Sea-Doo Spark:** - Tank: 7.9 gallons - Consumption: 2 GPH - **Range:** 90-100 miles **Yamaha EX:** - Tank: 13.2 gallons - Consumption: 2.4 GPH - **Range:** 100-110 miles **Sea-Doo GTI 130:** - Tank: 15.9 gallons - Consumption: 3.2 GPH - **Range:** 90-95 miles **Best for Long Distance:** Yamaha EX ## Fuel Cost Calculator **Your Annual Costs:** 1. Estimate riding hours 2. Multiply by model GPH 3. Multiply by fuel price 4. = Annual fuel cost **Example:** - 75 hours/year - GTI 130 (3.2 GPH) - 75 × 3.2 = 240 gallons - 240 × $4 = **$960/year** ## Budget-Friendly Choices **Best Value:** 1. Sea-Doo Spark ($6,299 + $400/year fuel) 2. Yamaha EX ($8,499 + $480/year fuel) 3. Sea-Doo GTI 130 ($11,299 + $640/year fuel) **5-Year Ownership:** - Spark: $8,299 (purchase + fuel) - EX: $10,899 - GTI 130: $14,499 ## Final Recommendations **Best Fuel Economy:** Sea-Doo Spark 90 - Lowest consumption - Cheapest to operate - Perfect for budget-conscious **Best Balance:** Yamaha EX 110 - Good power + efficiency - Excellent range - Reliability bonus **Best Efficient Performance:** Sea-Doo GTI 130 - Enough power for fun - Still reasonable consumption - Modern features **Don't Buy For Fuel Economy:** - High-performance models (300 HP) - If you ride aggressively - If fuel cost doesn't matter Browse our [fuel-efficient models](/jetskis)!