Large SUVs are often associated with power, space, and utility, but modern advancements have significantly improved their fuel efficiency, saving money on gas and reducing carbon emissions. If you’re looking for a large SUV that won’t drain your wallet at the pump, there are plenty of great options available in 2024.
In this guide, we break down the top fuel-efficient large SUVs, evaluating their mileage, hybrid options, engine technology, and real-world efficiency based on Consumer Reports, EPA data, and real-world owner feedback.
Top 5 Fuel-Efficient Large SUVs in 2024
These SUVs deliver the best gas mileage without sacrificing power or utility.
1. 2024 Toyota Sequoia Hybrid
✅ MPG: 21 City / 24 Highway / 22 Combined
✅ Engine: 3.4L Twin-Turbo V6 Hybrid (437 hp)
✅ Highlights:
- Hybrid powertrain significantly improves fuel economy.
- Offers class-leading towing capacity for an efficient SUV.
- Toyota’s reputation for reliability ensures long-term value.
🚩 Potential Issues: Higher starting price than competitors.
2. 2024 Ford Expedition Hybrid
✅ MPG: 19 City / 23 Highway / 21 Combined
✅ Engine: 3.5L EcoBoost Hybrid V6 (430 hp)
✅ Highlights:
- Turbocharged hybrid system balances power and efficiency.
- Smooth 10-speed automatic transmission helps optimize fuel use.
- Spacious three-row interior for large families.
🚩 Potential Issues: Some owners report higher-than-expected fuel consumption in city driving.
3. 2024 Chevrolet Tahoe Diesel
✅ MPG: 21 City / 28 Highway / 24 Combined
✅ Engine: 3.0L Duramax Turbo Diesel (277 hp)
✅ Highlights:
- Diesel engine provides superior highway MPG.
- Better fuel economy than gasoline models in the Tahoe lineup.
- Long-lasting powertrain, ideal for high-mileage drivers.
🚩 Potential Issues: Higher maintenance costs for diesel emissions components.
4. 2024 Jeep Grand Cherokee L 4xe (Plug-in Hybrid)
✅ MPGe: 56 Combined (Electric + Gas)
✅ Gas-Only MPG: 23 City / 24 Highway / 23 Combined
✅ Engine: 2.0L Turbo PHEV (375 hp)
✅ Highlights
- Plug-in hybrid system allows for electric-only driving.
- Offers off-road capability with excellent fuel savings.
- Strong acceleration and torque from its turbocharged setup.
🚩 Potential Issues: Limited electric-only range (26 miles).
5. 2024 BMW X7 xDrive40i
✅ MPG: 21 City / 25 Highway / 23 Combined
✅ Engine: 3.0L Turbo Inline-6 (375 hp)
✅ Highlights:
- Mild-hybrid assist improves fuel economy.
- Luxury-focused with a well-balanced performance-efficiency ratio.
- Advanced stop-start technology minimizes fuel waste.
🚩 Potential Issues: Higher ownership costs due to premium maintenance.
Why Fuel Efficiency Matters in a Large SUV
For years, large SUVs have been criticized for poor fuel economy, but modern turbocharged engines, hybrid systems, and diesel options have dramatically improved efficiency. Here’s why fuel efficiency matters:
- Lower Fuel Costs – Fuel-efficient SUVs save thousands of dollars in gas expenses over their lifespan.
- Reduced Carbon Footprint – Improved MPG helps lower CO2 emissions for a more eco-friendly drive.
- Longer Driving Range – Fewer fuel stops make road trips and long commutes easier.
- Higher Resale Value – Fuel-efficient SUVs tend to hold their value better in the used car market.
Factors That Influence Fuel Economy in SUVs
Even within the same segment, fuel efficiency can vary due to several factors:
1. Powertrain Technology
- Hybrid and Plug-in Hybrid (PHEV) models offer significant fuel savings.
- Diesel engines improve highway MPG and long-term durability.
2. Transmission Type
- 10-speed and 8-speed automatics provide better efficiency than older 6-speed models.
- Continuously Variable Transmission (CVT) helps maximize fuel efficiency in some SUVs.
3. Weight and Aerodynamics
- Lighter SUVs with aerodynamic designs consume less fuel.
- Roof racks and oversized tires reduce MPG by increasing drag.
4. Drive System (AWD vs. 2WD)
- Two-wheel drive (2WD) models are more fuel-efficient than all-wheel drive (AWD) or four-wheel drive (4WD) options.
- Some AWD systems feature automatic disengagement to save fuel when extra traction isn’t needed.
Now, let’s check out the top 5 most fuel-efficient large SUVs in 2024.
Hybrid vs. Diesel: Which Offers Better Fuel Economy?
| Factor | Hybrid SUVs | Diesel SUVs |
|---|---|---|
| Best For | City driving & short trips | Long highway trips |
| Fuel Efficiency | Higher in stop-and-go traffic | Higher on highways |
| Towing Capability | Slightly lower | Superior torque for towing |
| Maintenance Costs | Lower | Higher (due to emissions systems) |
If you drive mostly in the city, a hybrid is the better choice. If you drive long distances or tow frequently, diesel is more fuel-efficient.
Tips to Maximize Your SUV’s Fuel Efficiency
Regardless of the model you choose, here’s how to improve fuel economy:
- Keep Your Tires Inflated – Proper tire pressure reduces rolling resistance.
- Drive Smoothly – Avoid rapid acceleration and hard braking.
- Use Cruise Control – Maintains optimal fuel efficiency on highways.
- Lighten Your Load – Excess weight decreases MPG.
- Regular Maintenance – Keep your engine and transmission in top shape.
Final Thoughts: Choosing the Right SUV for You
For best fuel efficiency, the 2024 Toyota Sequoia Hybrid and 2024 Chevrolet Tahoe Diesel lead the pack. If you want an eco-friendly plug-in hybrid, the 2024 Jeep Grand Cherokee L 4xe is a fantastic option.
If you enjoyed this post, you should check out “Here Are the Top 10 Longest Lasting SUVs You Can Buy Today.” We’ve got tons of other stuff on our site too. So if you’re after car reviews, buying guides, or the latest buzz in the industry, we’re packed with info to keep you in the loop. Take a peek around, and make sure to bookmark our homepage so you don’t miss any updates!