What replaced the Infiniti QX56?
The Infiniti QX56 was replaced by the Infiniti QX80, introduced for the 2014 model year as the full-size SUV's successor.
Infiniti retired the QX56 name after the 2013 model year and rebranded the flagship as the QX80, aligning with Infiniti's broader naming refresh. The QX80 carried forward the same mission—a spacious, premium, three-row SUV—while adopting updated styling, a refreshed interior, and a platform shared with Nissan's Armada.
Replacement timeline and model details
The transition from QX56 to QX80 marked a new generation for Infiniti’s flagship SUV. Below are the key elements of the changeover:
- Rename and redesign: The QX56 became the QX80 starting with the 2014 model year, signaling a new generation and updated design language.
- Platform and powertrain: It shared underpinnings with Nissan's Armada, including a robust V8 engine and a 7-speed automatic transmission, aimed at strong towing and highway performance.
- Capacity and features: The QX80 offered three-row seating, a more premium interior, and modern technology aimed at improving ride quality and cabin quietness over the QX56.
- Market scope: The update aligned Infiniti’s flagship SUV with contemporary design cues and luxury expectations in the full-size segment.
In practice, the QX80 served as the direct successor to the QX56, carrying forward the model line’s role as Infiniti’s large, family-oriented SUV while adopting a new name and refreshed styling.
Current status and ongoing presence
As of the mid-2020s, Infiniti continues to offer the QX80 as its flagship full-size SUV in most markets. The QX56 name has not returned, and the QX80 remains the direct successor in Infiniti’s product lineup, periodically updated to stay competitive with rival large SUVs from luxury brands.
Beyond the direct replacement, Infiniti’s broader SUV lineup has evolved with updated trims and variants, but the QX80 remains the official continuation of the QX56 lineage.
Summary
The direct replacement for the Infiniti QX56 is the Infiniti QX80, introduced for the 2014 model year with a refreshed design, shared platform with Nissan Armada, and enhanced luxury features while preserving the full-size, three-row SUV concept.
What is the life expectancy of a QX56?
An Infiniti QX56 can last between 200,000 and 250,000 miles with proper maintenance, with some owners reporting even higher mileage. Key factors for a long lifespan include regular oil changes, timely transmission fluid replacement, and addressing potential timing chain and suspension issues promptly.
You can watch this video to learn more about the Infiniti QX56's features and performance: 1mDriven CompanionYouTube · Aug 6, 2020
Key factors for longevity
- Regular maintenance: Consistent oil changes and timely transmission fluid changes are crucial.
- Timing chain: This is a common area of concern for QX56s at higher mileage. Addressing timing chain issues can prevent costly engine repairs.
- Transmission: Some QX56 models have had issues with transmission wear or failing solenoids at high mileage.
- Suspension: Pay attention to suspension wear, as this can lead to noises and other problems.
- Cooling system: Maintaining a healthy cooling system is important for engine longevity.
Reliability and potential issues
- Average reliability: According to some sources, the QX56 has an average reliability rating, with higher than average ownership costs.
- Common problems: Some common issues to watch for include abnormal noises from the timing chain area and problems with the rear power door.
This video discusses the common issues and reliability of the VK56DE/VD engine used in the QX56: 57sUsed Car GuideYouTube · Jul 5, 2025
Did the QX80 replace the QX56?
The Infiniti QX80 (formerly called the Infiniti QX56 until 2013) is a full-size luxury SUV marketed by Nissan's luxury division Infiniti since the 2004 model year. The first-generation QX56 was built in the United States and is based on the first-generation Armada.
What happened to the Infiniti QX56?
When Was the INFINITI QX56 Discontinued? The 2013 INFINITI QX56 passed the torch on to the rebadged INFINITI QX80 – the go-forward designation for INFINITI's flagship SUV under the brand's newly-renamed product line.
Are they discontinuing the Infiniti QX55?
Yes, Infiniti is discontinuing the QX55; production is ending in December 2025, making the 2025 model year the last for the vehicle. The discontinuation is part of a larger strategy to shift the brand's focus to more premium, higher-priced vehicles, and will be replaced by a new coupe-style SUV, the 2026 QX65.
This video discusses why the Infiniti QX55 is being discontinued: 1mCarBuzzYouTube · Jun 6, 2025
- Production end date: Production of the QX55 is scheduled to end in December 2025.
- Last model year: The 2025 model year will be the final one for the QX55.
- Reason for discontinuation: Infiniti is moving upmarket and focusing on more expensive, premium products, making the QX55 and QX50 entry-level models less of a priority.
- Replacement: The QX55 will be succeeded by a new vehicle, the 2026 QX65, which will be a coupe-style SUV.
