Uncovering The Truth: 2007 Toyota Tundra 5.7 Vs 4.7 Fuel Economy Comparison

The 2007 Toyota Tundra is a versatile pickup truck that offers both power and efficiency. When it comes to choosing the right engine for your needs, the 5.7L and 4.7L V8 engines are two popular options. But how do these two engines compare in terms of fuel economy? In this comprehensive guide, we’ll dive deep into the fuel efficiency ratings, real-world MPG, and factors affecting fuel consumption to help you make an informed decision.

Engine Specifications:

2007 Toyota Tundra 5.7L V8:

• Engine Displacement: 5.7L (348 cubic inches)
• Horsepower: 381 hp @ 5600 RPM
• Torque: 401 lb-ft @ 3600 RPM

2007 Toyota Tundra 4.7L V8:

• Engine Displacement: 4.7L (288 cubic inches)
• Horsepower: 276 hp @ 5400 RPM
• Torque: 313 lb-ft @ 3400 RPM

EPA Fuel Economy Ratings:

According to the EPA, the 2007 Toyota Tundra with the 5.7L V8 engine has the following fuel economy ratings:

• City: 13 MPG
• Highway: 18 MPG
• Combined: 15 MPG

The 2007 Toyota Tundra with the 4.7L V8 engine has the following fuel economy ratings:

• City: 15 MPG
• Highway: 20 MPG
• Combined: 17 MPG

Real-World MPG:

Real-world MPG can vary from EPA estimates depending on driving conditions, vehicle maintenance, and driving habits. Based on user-reported data, the 2007 Toyota Tundra with the 5.7L V8 engine averages around 12 MPG in the city and 16 MPG on the highway. The 2007 Toyota Tundra with the 4.7L V8 engine averages around 14 MPG in the city and 18 MPG on the highway.

Factors Affecting Fuel Consumption:

Several factors can impact the fuel economy of your 2007 Toyota Tundra:

• Engine Size: Larger engines generally consume more fuel due to increased displacement and power output.
• Driving Habits: Aggressive driving, frequent acceleration, and speeding can significantly reduce fuel efficiency.
• Vehicle Weight: Heavier vehicles require more energy to accelerate and maintain speed, leading to lower MPG.
• Tire Pressure: Underinflated tires increase rolling resistance, resulting in reduced fuel economy.
• Aerodynamics: Vehicles with poor aerodynamics, such as trucks with large frontal areas, experience more drag, which can decrease MPG.

Choosing the Right Engine for Your Needs:

When selecting the right engine for your 2007 Toyota Tundra, consider the following:

• Towing and Hauling: If you frequently tow or haul heavy loads, the 5.7L V8 engine provides more power and torque for these tasks.
• Fuel Efficiency: If fuel economy is a priority, the 4.7L V8 engine offers better MPG ratings and real-world fuel efficiency.
• Driving Conditions: If you primarily drive in urban areas with stop-and-go traffic, the 4.7L V8 engine may be a better choice due to its improved city MPG.
• Budget: The 5.7L V8 engine typically commands a higher price than the 4.7L V8 engine.

Maintenance Tips for Improved Fuel Economy:

• Regular Maintenance: Following the manufacturer’s recommended maintenance schedule helps keep your engine running efficiently and improves fuel economy.
• Air Filter Replacement: A clean air filter ensures proper airflow to the engine, resulting in better combustion and fuel efficiency.
• Tire Pressure Checks: Regularly check and adjust tire pressure to the recommended levels to minimize rolling resistance and improve MPG.
• Use High-Quality Fuel: Using higher-octane fuel can help optimize engine performance and potentially improve fuel economy.

Beyond Fuel Economy:

While fuel economy is an important consideration, it’s not the only factor to consider when choosing an engine. Other factors such as power, torque, towing capacity, and reliability also play a role in the overall performance and suitability of the vehicle for your specific needs.

Final Note:

The choice between the 2007 Toyota Tundra 5.7L and 4.7L engines depends on your individual requirements and priorities. If you prioritize power and towing capabilities, the 5.7L V8 engine is a compelling option. However, if fuel efficiency is your primary concern, the 4.7L V8 engine offers better MPG ratings and real-world fuel efficiency. Ultimately, the best engine for you is the one that strikes the right balance between performance and fuel economy while meeting your specific needs and budget.

Basics You Wanted To Know

Q1. Which engine is more reliable, the 5.7L or 4.7L V8?

Both engines are generally reliable, but the 4.7L V8 has a slightly better reputation for long-term reliability.

Q2. Can I improve the fuel economy of my 2007 Toyota Tundra?

Yes, you can improve fuel economy by practicing fuel-efficient driving habits, maintaining proper tire pressure, and following the manufacturer’s recommended maintenance schedule.

Q3. Which engine has more towing capacity?

The 5.7L V8 engine has a higher towing capacity than the 4.7L V8 engine. The 5.7L V8 can tow up to 10,400 lbs, while the 4.7L V8 can tow up to 6,800 lbs.