The 2012 Infiniti QX56 is a compelling luxury full-size SUV, representing the second generation (Z62) which debuted in 2011. Known for its commanding presence and opulent cabin, it typically came in a single, well-appointed trim with various option packages. With a new price range often starting around $60,000, it stood out for its powerful V8 engine, impressive towing capabilities, and advanced luxury features, making it popular among buyers seeking premium comfort and strong utility.
The Good
The 2012 Infiniti QX56 boasts a powerful V8 engine providing confident performance and strong towing capacity, appealing to practical buyers. Its luxurious, quiet cabin with ample space ensures exceptional comfort, satisfying emotional desires for prestige and family adventures. The distinctive design, combined with robust build quality, delivers a strong sense of value in the used luxury SUV market.
The Bad
Key weaknesses for the 2012 Infiniti QX56 include its notably poor fuel economy, a significant concern for many. Its large dimensions can also make maneuvering in urban environments challenging. Owners should watch out for potential issues with the Hydraulic Body Motion Control (HBMC) suspension system and accelerated brake wear due to the vehicle's substantial weight.
2012 Infiniti QX56: Quick Overview
The 2012 Infiniti QX56 is powered by a robust 5.6-liter V8 engine, delivering impressive performance for a full-size SUV. Below are its key specifications and trim-level features:
- Engine Options: Only one option available, a naturally aspirated 5.6-liter V8 (VK56VD).
- Horsepower: This potent V8 engine produces 400 horsepower and 413 lb-ft of torque.
- Transmission: Mated to a smooth-shifting 7-speed automatic transmission.
- Fuel Economy (EPA estimated):
- Rear-Wheel Drive (RWD): 14 mpg city / 20 mpg highway / 16 mpg combined.
- Four-Wheel Drive (4WD): 13 mpg city / 18 mpg highway / 15 mpg combined.
- 0-60 mph: Achieves 0-60 mph acceleration in approximately 6.0 to 6.5 seconds, which is quite quick for its size.
- Towing Capacity: When properly equipped, the QX56 boasts a substantial towing capacity of up to 8,500 pounds.
- Trim-Level Features: The QX56 generally came as one well-equipped trim, with various optional packages enhancing luxury and technology.
- Standard Features: Included amenities such as leather upholstery, a power liftgate, 20-inch alloy wheels, tri-zone automatic climate control, heated front seats, a power-folding 60/40-split third-row seat, a rearview camera, front and rear parking sensors, a 13-speaker Bose audio system, Bluetooth connectivity, and a hard-drive navigation system with an 8-inch touchscreen.
- Deluxe Touring Package: Added features like 22-inch alloy wheels, Infiniti's Hydraulic Body Motion Control (HBMC) suspension system, climate-controlled front seats, heated second-row seats, semi-aniline leather seating, and upgraded wood trim.
- Technology Package: Enhanced safety and driver-assistance with adaptive cruise control, blind-spot warning, lane departure warning and prevention, forward collision warning, distance control assist, and intelligent brake assist.
- Theater Package: Provided entertainment for rear passengers with dual 7-inch color monitors mounted on the front seatbacks, wireless headphones, a remote control, auxiliary input jacks, and a 120-volt power outlet.
2012 Infiniti QX56 Specifications
Vehicle Information
| Year | 2012 |
| Make | Infiniti |
| Model | QX56 |
| Trim | - |
| Style | 4-Door 4WD 7-Passenger |
| Type | Sport Utility Vehicle |
| Category | Standard Sport Utility Vehicle |
Manufacturing Details
| Made In | Japan |
| Manufacturing City | MIYAWAKA |
Dimensions
| Doors | 4-Door |
| Curb Weight | 2537.85 kg |
| Gross Vehicle Weight Rating | 3311.22 kg |
| Overall Height | 192.53 cm |
| Overall Length | 529.08 cm |
| Overall Width | 202.95 cm |
| Wheelbase Length | 307.59 cm |
| Standard Seating | 7 |
Engine & Performance
| Engine | Gasoline V-8 5.6L/339 |
| Engine Size | 5.6L |
| Engine Cylinders | 8 |
| Transmission | Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 7-Speed |
| Drivetrain | Four-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $58,700 USD |
| Invoice Price | $55,525 USD |
| Delivery Charges | $990 USD |
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What Problems Does the 2012 Infiniti QX56 Have?
The 2012 Infiniti QX56, while generally robust, has a few frequently reported problems and potential long-term reliability concerns that prospective owners should be aware of. Understanding these issues is crucial for informed purchasing and ownership.
- Hydraulic Body Motion Control (HBMC) System Issues: One of the most common and potentially expensive problems is related to the HBMC suspension system, which helps reduce body roll. Leaks from the hydraulic lines, actuators, or pump are not uncommon, leading to a sagging stance, compromised ride quality, or system failure. Repairs for the HBMC system can be very costly, often requiring specialized attention.
- Premature Brake Wear: Given the QX56's substantial curb weight and powerful engine, owners frequently report accelerated wear on brake pads and rotors. This necessitates more frequent brake component replacements compared to lighter vehicles, contributing to higher maintenance costs over time.
- Timing Chain Guide Noise/Wear: While less prevalent in the 2012 model year compared to earlier VK56DE engines, some instances of timing chain guide wear, leading to a "whining" or "rattling" noise, have been reported in the VK56VD engine family. This is a serious engine issue that requires extensive and costly repair.
- Infotainment System Glitches: Owners occasionally report minor issues with the integrated infotainment system, such as navigation screen freezing, Bluetooth connectivity problems, or general software quirks that can be frustrating.
- Air Conditioning System Problems: Some QX56 owners have experienced issues with the air conditioning system, including compressor failures or refrigerant leaks, leading to a loss of cooling.
For the 2012 Infiniti QX56, a significant recall involves the front passenger airbag inflator (NHTSA Campaign Number: 16V244000). This recall is part of the broader Takata airbag inflator issue, where the inflator may rupture upon deployment, potentially projecting metal fragments. It is critical to ensure that this recall has been addressed by a dealership. Owners should always check the NHTSA website with their specific VIN for any outstanding recalls.
Long-Term Reliability Concerns: The most significant long-term concern remains the HBMC system, given its repair cost and criticality to ride dynamics. While the 2012 model year typically benefits from refinements over initial Z62 models, diligent maintenance and pre-purchase inspections are vital.
How long will the 2012 Infiniti QX56 last?
The 2012 Infiniti QX56, with proper maintenance and consistent service, can reliably serve its owners for a considerable duration, often reaching 150,000 to 200,000 miles and beyond. It's not uncommon to see these vehicles provide 12 to 15 years or more of service. The underlying 5.6-liter V8 engine and 7-speed automatic transmission are generally considered very durable, contributing significantly to its long-term potential. However, specific weaknesses tend to emerge with age and mileage. The Hydraulic Body Motion Control (HBMC) suspension system, if equipped, is a primary concern, as leaks or failures become more probable and costly over time. Additionally, wear on interior components like leather and plastics, along with aging electronic modules and sensors, can necessitate repairs as the vehicle approaches two decades of service. Regular fluid changes, brake maintenance, and addressing minor issues promptly are key to maximizing its lifespan.
What Technology & Safety Features are Included?
The 2012 Infiniti QX56 was well-appointed with a comprehensive suite of built-in technology, entertainment, and safety features, reflecting its luxury segment positioning. Even the standard model came equipped with a rich array of amenities.
- Built-in Technology & Entertainment: Standard features included an 8-inch touchscreen display for the hard-drive based navigation system, a premium 13-speaker Bose audio system, Bluetooth hands-free phone connectivity, a USB/iPod interface, and satellite radio. Owners also benefited from keyless entry and ignition, a power rear liftgate, tri-zone automatic climate control, and heated front seats. The optional Theater Package significantly enhanced rear passenger entertainment by adding dual 7-inch color monitors mounted on the front seatbacks, complete with wireless headphones, a remote control, and auxiliary input jacks for external devices.
- Driver-Assistance Features: While many advanced features were optional, the QX56 offered a strong foundation. Standard assistance included a rearview camera and front and rear parking sensors. The comprehensive Technology Package elevated driver assistance considerably, introducing adaptive cruise control, a blind-spot warning system, lane departure warning and prevention, forward collision warning, distance control assist, and intelligent brake assist, all designed to enhance safety and reduce driver fatigue on long journeys.
- Safety Features: Standard safety equipment was robust, encompassing anti-lock brakes (ABS), electronic stability control, traction control, and a full complement of airbags including front, side-impact for front passengers, and side-curtain airbags protecting all three rows. Tire pressure monitoring was also standard.
- Crash-Test Ratings: The National Highway Traffic Safety Administration (NHTSA) provided the following ratings for the 2012 Infiniti QX56:
- Overall Safety Rating: 4 out of 5 stars
- Frontal Crash: 3 out of 5 stars
- Side Crash: 5 out of 5 stars
- Rollover: 3 out of 5 stars
What Colors Options are Available?
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2012 Infiniti QX56 Prices and Market Value
When new, the 2012 Infiniti QX56 carried a substantial price tag, with the RWD model starting around $60,000 and the 4WD variant closer to $63,000. Fully optioned models could easily exceed $70,000. Today, over a decade later, the used market prices have naturally depreciated significantly. Depending on condition, mileage, and maintenance history, a 2012 QX56 typically ranges from approximately $10,000 to $18,000 for models with average mileage (100k-150k miles). Exceptionally well-preserved, lower-mileage examples might fetch $18,000 to $25,000 or more, while higher-mileage or fair-condition vehicles might fall into the $7,000 to $10,000 range. Depreciation is steep, typical for a luxury SUV of this age and class. Factors significantly affecting current resale value include documented maintenance records, the operational status of the Hydraulic Body Motion Control (HBMC) system, cosmetic and mechanical condition, and the presence of desirable packages like the Deluxe Touring and Technology options.
2012 Infiniti QX56 Cost of Ownership
Owning a 2012 Infiniti QX56 involves considerable long-term costs. Insurance premiums are typically higher due to its luxury classification, powerful engine, and potentially expensive parts. Fuel costs will be substantial, as its V8 engine demands premium fuel and delivers poor efficiency, often averaging 15-16 mpg combined. Maintenance expenses are elevated compared to non-luxury brands; Infiniti dealership services and OEM parts can be pricey. Repair costs can be particularly high, especially if the Hydraulic Body Motion Control (HBMC) system requires attention or if major engine or transmission work is needed. Therefore, the 2012 Infiniti QX56 is generally a costly vehicle to own, and prospective buyers should budget accordingly for its premium operational expenses.
2012 Infiniti QX56 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
98.42 liters
City Mileage
5.95 km/l
Highway Mileage
8.5 km/l
2012 Infiniti QX56 Safety Rating
NHTSA
IIHS
2012 Infiniti QX56 Warranty
Basic
Original warranty
48 months / 60,000 miles
Estimated remaining
Expired
Powertrain
Original warranty
72 months / 70,000 miles
Estimated remaining
Expired
Rust
Original warranty
84 months / unlimited miles
Estimated remaining
Expired
2012 Infiniti QX56 Insurance
Insurance for a 2012 Infiniti QX56 is moderately priced, reflecting its status as a Sport Utility Vehicle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2012 Infiniti QX56 Compare to Other Sport Utility Vehicle?
The 2012 Infiniti QX56 competes fiercely in the luxury full-size SUV segment, stacking up well against rivals like the Lexus LX 570, Cadillac Escalade, and Mercedes-Benz GL-Class (GL450/GL550).
- Performance: The QX56's 400-hp V8 engine provides robust acceleration and strong towing capabilities, often outperforming the Lexus LX 570 in a straight line and offering comparable power to the Mercedes-Benz GL550. The Cadillac Escalade also offers substantial V8 power, but the QX56 often feels a bit more refined in its power delivery.
- Features: Infiniti typically packs a lot of standard features into the QX56, offering excellent value for money. It often matches or exceeds the standard tech and luxury amenities found in the Escalade and GL-Class at a similar or even lower used price point. The LX 570 is also very well-appointed but often commands a premium.
- Reliability: While the QX56 is generally reliable, its Achilles' heel can be the Hydraulic Body Motion Control (HBMC) suspension system, which can be costly to repair. The Lexus LX 570 is widely regarded as the reliability king in this segment, offering bulletproof long-term dependability. The Cadillac Escalade can have its share of electrical and air suspension issues, while the Mercedes-Benz GL-Class is known for potentially high repair costs for complex systems as it ages.
- Price (Used Market): Currently, the QX56 often presents a compelling value proposition, offering substantial luxury and performance for less than a comparable Lexus LX 570. Used Escalades can be similarly priced, while GL-Class models vary, sometimes offering luxury at a lower entry price but with higher potential repair liabilities.
For those prioritizing ultimate long-term reliability and lower maintenance, the Lexus LX 570 is a superior alternative, albeit typically at a higher used price. If a robust, capable, and slightly less luxurious option is acceptable, the Toyota Sequoia offers immense durability. For a similar blend of power and luxury at a potentially lower cost of entry, the Cadillac Escalade is a worthy rival, though often with different interior ergonomics and infotainment.
Final Verdict: Is the 2012 Infiniti QX56 a Good Sport Utility Vehicle?
The 2012 Infiniti QX56 is an ideal vehicle for large families requiring significant passenger and cargo space, as well as individuals who frequently tow boats or trailers thanks to its powerful V8 and robust capabilities. It appeals to buyers seeking a commanding presence, luxurious comfort, and strong performance at a much more accessible used price point than its original MSRP. Given its age, it is exclusively a used purchase. It can be worth buying, but only under specific conditions: a thorough pre-purchase inspection (PPI) is absolutely critical, focusing intensely on the condition of the Hydraulic Body Motion Control (HBMC) system and overall mechanical soundness. Prospective owners must also be prepared for its notably poor fuel economy and budget adequately for potentially high maintenance and repair costs, typical of a luxury SUV of this class and age. Prioritizing models with complete service records will also mitigate risks.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.