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GM LQ4 Engine

The LQ4 engine is a 6.0L V8 from GM’s LS Family, built with a strong cast iron – block and aluminum heads, making it both durable and performance-ready. It Features a displacement of 365 cubic inches, a 9.4:1 compression ratio, and produces around 300-325 hp with 360-370 lb-ft of torque. With a bore and stroke of 4.00 x 3.62 inches, sequential fuel injection and an overhead valve (OHV) design, the LQ4 delivers reliable power and efficiency.Β 

In Stock

Price range: $1,800.00 through $4,500.00

The prices are exclusive of taxes and shipping. The price may vary depending upon the miles and year of manufacturing.

Additional Information

Brand

General Motors

Conditions

Remanufactured, Used

Miles

70000-130000

Year Compatibility

1999-2007

Verified

Tried & Tested

Warranty

Up to 3 Months

What we offer

Specifications

The LQ4 engine is a 6.0L V8 engine from GM’s LS family, built with a strong cast iron block and featuring a displacement of 365 cubic inches.Β  The LQ4 engine is a 6.0-liter V8 designed by GM as part of the LS family, built for strength and reliability in trucks and SUVs. With a cast-iron block and aluminum heads, it delivers around 300–325 horsepower and 360–370 lb-ft of torque, offering plenty of power for heavy-duty use. Commonly used in Chevy and GMC trucks, SUVs and the Cadillac Escalade, it’s a favorite power and efficiency. This engine is commonly used in Chevy and GMC trucks, making it a favorite choice amongst the enthusiasts for engine swaps and performance builds.Β 


Compatible Models

GMC Sierra 2500HD

The GMC Sierra 2500HD commonly used the LQ4 6.0L V8 as its gasoline powerplant between 2001 and 2007. Delivering up to 325 hp and 370 lb-ft of torque, it provided excellent pulling power and dependable operation for commercial fleets, construction work, and heavy-duty towing.

Chevrolet Suburban 2500

The Chevrolet Suburban 2500 was equipped with the LQ4 6.0L V8 in models produced from 2000 to 2006. Producing 300–325 horsepower and 360–370 lb-ft of torque, the engine gave the full-size SUV the strength needed for towing large trailers while comfortably carrying passengers and cargo.

GMC Yukon XL 2500

The GMC Yukon XL 2500 featured the LQ4 6.0L V8 between 2000 and 2006, delivering 300–325 hp and 360–370 lb-ft of torque. Its combination of strong low-end torque, dependable performance, and heavy-duty capability made it an excellent choice for large families, towing applications, and commercial fleet use.


Frequently Asked Questions

  1. What vehicles had an LQ4?

    The LQ4 comprises of various vehicles including the Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, GMC Yukon, and Hummer H2.Β 

  2. Is a LQ4 a good engine?

    Yes, the LQ4 is widely considered a great engine, especially for its intended purpose as a durable workhorse and for aftermarket performance builds. Yes, the LQ4 is widely considered a great engine, especially for its intended purpose as a durable workhorse and for aftermarket performance builds.

  3. How much horsepower does a LQ4 engine have?

    A stock LQ4 engine produces horsepower of up to 300 to 330 hp, depending on the model year and trim level.

  4. How much does a LQ4 engine rebuild cost?

    An LQ4 engine rebuild can costΒ $2,500 to $10,000 or more, depending on the extent of the rebuild.

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GM LQ4 engineGM LQ4 Engine
Price range: $1,800.00 through $4,500.00Select options