2025 Chevrolet Suburban Engine and Towing Performance Specs

You won’t have to give up excitement for practicality when you’re driving the new Chevrolet Suburban around Wallingford. The 2025 Chevrolet Suburban specs deliver impressive performance, so you always have something to appreciate when you’re behind the wheel.

Opt for the 2025 Suburban diesel engine and enjoy outstanding towing performance. Meanwhile, choose one of the two gas engines and you’ll admire effortless passing power on drives near Milford. Find out more about the 2025 Chevrolet Suburban specs with Hamden Chevrolet and don’t forget to explore our new vehicle specials! Here’s what our guide includes:

• 2025 Suburban diesel engine specs
• Chevy Suburban mpg figures
• Chevy Suburban towing capacity
• And more

2025 Chevrolet Suburban Towing Capacity, Engine Options and Performance Specs

After discovering the Chevy Suburban’s performance specs, you’ll want to apply for flexible financing to take home this Chevy SUV as soon as possible. The Suburban is often regarded as one of the segment leaders thanks to its spacious cabin and remarkable performance.

As soon as you get into the driver’s seat of a new Suburban, you’ll instantly realize why it’s a fan favorite and you’ll always look forward to your North Haven travels. Take a look at the 2025 Suburban diesel and gasoline engine specs below:

5.3L EcoTec3 V8 with Dynamic Fuel Management

• Horsepower: 355 hp
• Torque: 383 lb-ft
• Transmission: 10-speed automatic transmission
• Fuel Economy (2WD): 15 mpg city/20 mpg highway
• Fuel Economy (4WD): 14 mpg city/19 mpg highway
• Fuel Tank Capacity: 28 gallons
• Drivetrain: RWD/4WD
• Max Payload Capacity (2WD/4WD): 1,750 pounds/1,759 pounds
• Standard Towing Capacity (2WD/4WD): 7,700 pounds/7,500 pounds
• Max Towing Capacity (2WD/4WD): 8,200 pounds/8,000 pounds

6.2L EcoTec3 V8 with Dynamic Fuel Management

• Horsepower: 420 hp
• Torque: 460 lb-ft
• Transmission: 10-speed automatic transmission
• Fuel Economy (2WD): 15 mpg city/19 mpg highway
• Fuel Economy (4WD): 14 mpg city/18 mpg highway
• Fuel Tank Capacity: 28 gallons
• Drivetrain: RWD/4WD
• Max Payload Capacity (2WD/4WD): 1,612 pounds/1,612 pounds
• Standard Towing Capacity (2WD/4WD): 7,500 pounds/7,400 pounds
• Max Towing Capacity (2WD/4WD): 8,000 pounds/7,900 pounds

Duramax® 3.0L Turbo-Diesel

• Horsepower: 305 hp
• Torque: 495 lb-ft
• Transmission: 10-speed automatic transmission
• Fuel Economy (2WD): Not available
• Fuel Economy (4WD): Not available
• Fuel Tank Capacity: 28 gallons
• Drivetrain: RWD/4WD
• Max Payload Capacity (2WD/4WD): 1,625 pounds/1,539 pounds
• Standard Towing Capacity (2WD/4WD): 8,100 pounds/7,800 pounds
• Max Towing Capacity (2WD/4WD): 8,100 pounds/7,800 pounds

2025 Chevy Suburban EcoTec3 V8 vs. Duramax Diesel Options

When shopping for a full-size SUV in New England, drivers often weigh the benefits of the powerful EcoTec3 V8 engines against the efficiency-focused Duramax® Turbo-Diesel option in the 2025 Chevy Suburban. Both powertrains deliver confident towing performance and long-lasting reliability, but each brings unique advantages depending on your driving needs.

• EcoTec3 V8 Engines – Ideal for drivers who want maximum horsepower and torque for towing boats, campers, or trailers across New England’s highways and mountain passes. The V8 lineup emphasizes raw strength and acceleration.
• Duramax® Turbo-Diesel – Perfect for longer commutes and family road trips, this option offers impressive fuel economy, extended highway range, and plenty of low-end torque, making it a smart choice for heavy hauling with fewer stops at the pump.

Whether you need the commanding performance of a V8 or the efficiency and endurance of diesel, the 2025 Suburban has you covered. At Hamden Chevrolet in Hamden, our team can help you compare these engines firsthand and choose the one that best matches your lifestyle.

Discover the Chevy Suburban MPG Ratings, Engine Options & More at Hamden Chevrolet

Whether you have questions about the Chevy Suburban mpg ratings or the Chevy Suburban towing capacity figures, we’re here to help. Read our real customer reviews, then connect with us on Facebook or visit us in Hamden for more information. Our highly trained staff is looking forward to assisting you with your vehicle-buying experience.