GM L97 6.2 Engine for Sale – A Complete Guide for Buyers Looking for Power, Reliability & Value

If you’re searching for a GM L97 6.2 engine for sale, chances are you want a powerhouse that delivers big displacement performance, exceptional durability, and proven reliability for both daily driving and heavy-duty applications. The GM L97 is one of the most respected V8 engines in the Gen IV family, known for powering full-size trucks and SUVs with smooth torque, strong horsepower, and long-term dependability. Whether you’re replacing a failed motor, upgrading your vehicle, or building a custom project, the L97 offers a solid blend of modern engineering and raw American V8 strength.

In this detailed guide, you’ll learn what makes the L97 special, its specs, benefits, compatible vehicles, and what to look for when buying a used or remanufactured engine.

What Is the GM L97 6.2 Engine?

The GM L97 is a 6.2-liter V8 engine that belongs to the Generation IV small-block family, engineered to deliver high torque at low RPMs while maintaining fuel efficiency and smooth operation. It’s the flex-fuel (E85-compatible) version of the well-known L92 engine and was widely used in premium GM SUVs between 2010 and 2014.

This engine is valued for its balance of performance and practicality, making it ideal for heavy-duty usage, towing, and even performance builds.

GM L97 6.2 Engine Specifications

Here are the core technical details that make the L97 a standout engine:

• Engine Type: 6.2L V8 (Gen IV Small Block)

• Block Material: Aluminum

• Displacement: 6162 cc

• Horsepower: 403 hp @ 5700 RPM

• Torque: 417 lb-ft @ 4300 RPM

• Fuel Type: Flex-fuel (Gasoline or E85)

• Fuel System: Sequential Fuel Injection

• Compression Ratio: 10.5:1

• Cylinder Heads: Aluminum, high-flow

• Valvetrain: OHV, 16-valve

• Oil Capacity: 8 quarts

This combination of aluminum construction, high-flow heads, and large displacement delivers impressive power while remaining lightweight compared to traditional cast-iron truck engines.

Which Vehicles Use the GM L97 Engine?

The L97 was commonly used in GM’s luxury and full-size SUVs from 2010–2014. Compatible vehicles include:

• Cadillac Escalade

• Chevrolet Tahoe (select models)

• Chevrolet Suburban 1500

• GMC Yukon Denali

• GMC Yukon XL

• GMC Sierra 1500 (select trims)

If you own one of these vehicles, the L97 is the correct direct-fit replacement engine.

Why Buy the GM L97 6.2 Engine?

1. Strong Low-End Torque

Perfect for towing, hauling, or powering large SUVs effortlessly.

2. Flex-Fuel Capability

Provides the option to run on E85 for better combustion and potential performance gains.

3. Reliable Aluminum Block Design

Lighter weight with excellent heat dissipation and longer life expectancy.

4. High Power Output

Over 400 horsepower from the factory—plenty for stock use or future upgrades.

5. Affordable Replacement Option

Compared to modern 6.2L engines, the L97 offers a budget-friendly alternative with proven reliability.

Common Reasons to Replace Your L97 Engine

Many drivers look for a replacement L97 due to:

• Excessive oil consumption

• Lifters or camshaft failure (common on higher-mileage AFM engines)

• Overheating damage

• Timing chain wear

• Loss of compression

A high-quality used or remanufactured replacement can restore your SUV’s power, smoothness, and fuel efficiency.

What to Look For When Buying a GM L97 6.2 Engine

To ensure you get the best value, consider the following:

✔ Compression Test Results

Look for strong, even compression across all cylinders.

✔ Mileage Verification

Lower mileage engines (under 120k km) are typically the best investment.

✔ Warranty Availability

Reputable sellers offer 3–12 month warranties on used or remanufactured engines.

✔ Replaceable Components

Check if the engine includes accessories like the intake manifold, injectors, coils, or throttle body.

✔ AFM/DOD Components

Some buyers choose to delete AFM for reliability—ensure your seller provides details.

Best Uses for the GM L97 Engine

• Direct replacement for factory SUVs

• Off-road builds

• Restorations requiring factory-spec components

• Performance upgrades with camshaft, tune, or headers

• Swaps into classic muscle cars or trucks

Its combination of modern tech and old-school V8 torque makes it ideal for versatile applications.

GM L97 6.2 Engine for Sale – Final Thoughts

If you're searching for a GM L97 6.2 engine for sale, you're investing in a robust, proven, and high-performing V8 engine trusted by thousands of drivers. Its smooth power delivery, flex-fuel capability, and strong torque curve make it one of the most reliable engines GM has produced in the last decade. Whether you want better towing power, daily reliability, or a solid foundation for modifications, the L97 engine is an excellent choice.