Infiniti G35 Engine

Specifications

The Infiniti G35 engine 3.5L V6 with a high-performance powertrain known for its exceptional balance of power, reliability, and smooth operation. Available in the VQ35DE (2003–2007) and the more advanced VQ35HR (2007–2008) variants, this 3.5-liter (3,498 cc) 24-valve DOHC V6 delivers between 260 and 306 horsepower and up to 270 lb-ft of torque, depending on the model year and transmission. Designed to provide strong acceleration, responsive throttle, and refined performance, the VQ35 engine has earned a reputation as one of Nissan’s most dependable V6 engines. Whether you’re replacing a worn-out engine, restoring an Infiniti G35, or seeking a reliable performance upgrade, this engine offers the durability, efficiency, and driving excitement that enthusiasts and everyday drivers have trusted for years.

Engine Variants

Standard VQ35DE

The Standard VQ35DE was used in the Infiniti G35 from 2003 to 2004 and features a 3.5-liter (3,498 cc) 24-valve DOHC V6 with aluminum construction. It produces 260–280 horsepower and 260–270 lb-ft of torque, depending on the model year and transmission. Known for its smooth power delivery, dependable performance, and strong low-end torque, this naturally aspirated engine offers an excellent balance of everyday drivability and reliability, making it a popular choice for daily drivers and replacement applications.

Rev-Up VQ35DE

Introduced in 2005–2006 manual-transmission G35 models, the Rev-Up VQ35DE received internal upgrades, including revised camshafts, variable valve timing improvements, and a higher 7,000-rpm redline. These enhancements increased output to 298 horsepower while maintaining 260 lb-ft of torque. Designed for enthusiasts, the Rev-Up engine delivers improved top-end performance, quicker throttle response, and a more engaging driving experience without sacrificing the proven durability of the VQ35 platform.

VQ35HR

The VQ35HR, introduced for the 2007–2008 Infiniti G35, is the most advanced version of the 3.5L V6. Featuring a redesigned engine block, dual air intake system, higher compression ratio, symmetrical twin intake paths, and an increased 7,500-rpm redline, it produces 306 horsepower and 268 lb-ft of torque. The HR (High Revolution/High Response) engine offers stronger mid-range power, smoother acceleration, improved cooling, and enhanced durability, making it the highest-performing and most refined naturally aspirated 3.5L V6 available in the G35 lineup.

Frequently Asked Questions