The 5.3L Yukon and 5.6L QX56 Engines

There has always been competition between the United States of America and Asian automobile markets

. The truck and Sports Utility Vehicle market is huge and sometimes it is hard to know which companies make the best engines. GMC is one of America's largest auto manufacturers and have a reputation for solid engines. Infiniti is a subdivision of Nissan and is one of Asia's premiere SUV makers and Infiniti engines are well known.

One of the most tried and true GMC truck engine is the GMC 5.3 L engine found in the Yukon. These GMC engines have been the base for a large portion of GMC trucks and SUV's. It offers 295 HP at 5600 RPM and usually comes in a V8. It features 305 foot pounds at 4600 RPM. It has 2 valves and displaces 5328 cc with its 3.8 inch bore and 3.6 inch stroke. The compression ratio is 9.9:1. This kind of performance makes both the used and new GMC truck engine very sought after.

The Infiniti's engine for the QX56 is even more powerful than the GMC engines. The standard Infiniti engine has 5.6 L in a V8. It has 320 hp at 5200 RPM and 393 foot pounds of torque when running at 3400 RPM. Unlike GMC engines, the Infiniti engine has 4 valves instead of two and the 3.9 inch bore and 3.6 inch stroke which cause a displacement of 5552cc. The engine of the Infinity has the compression ratio of 9.8:1.

The GMC truck engine has been around a long time. It first started production in 1999 and has been solid ever since. The Infiniti engine emerged on scene in 2004 and impressed us. Outperforming the base GMC engines, the Infiniti engine really offered the higher performance that many people were looking for. Because of the versatility of the GMC truck engine, however, it is very easy to modify and bump up the performance of the GMC engines to rival the Infiniti engine or just upgrade from the Yukon to the Yukon XL.

As one of the most well known and loved American engines, the GMC truck engine, specifically the 5.3L V8, is used in thousands of trucks and SUV's nationwide. Although the displacement is somewhat less than others of its size, this GMC truck engine has been a steady and powerful addition to the GMC line.

The Infiniti engine in the QX56 shows us some of what Asia can bring to the area of SUV. This motor lasts and already come with the power that many people really love. Add to that the unique look and you have the makings of a new classic.

Both the GMC engines and the Infiniti engine have a lot going for them, most notably the ability to outlast their SUV bodies. Because the GMC truck engine and the Infiniti engines are so solid and reliable it is easy to find these motors used and in good condition. The GMC truck engine, in particular, is extremely versatile and can be used in many SUV's and trucks, not only ones made by GMC.

The 5.3L Yukon and 5.6L QX56 Engines

By: lowmileageengines

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