The 5.3 LS Engine: A Reliable Powerhouse for Daily Drivers and Work Trucks If you're looking for a dependable and efficient engine that can handle both city driving and tough jobs, the 5.3 LS engine is a top-tier choice. Found in millions of GM trucks, SUVs, and full-size sedans, this engine balances fuel economy with robust performance. It’s widely known for its longevity—many 5.3 LS engines have been reported to surpass 300,000 miles with proper maintenance. The engine features a durable design with features like active fuel management and variable valve timing in newer models, improving efficiency without compromising on torque. This makes it perfect for towing, hauling, or just cruising......See More