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2017 Infiniti Q70L Overview, Reviews, Ratings & Specs

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Cathleen V | October 5, 2025
The 2017 Infiniti Q70L is a luxury mid-size sedan, an extended-wheelbase version of the Q70, produced from 2014 to 2019. Known for its distinctive styling and powerful engines, it offered a compelling alternative in the luxury sedan segment. Key trims typically included the 3.7L and 5.6L V8 models, with pricing at launch ranging from approximately $51,300 to $64,750. Its popularity stemmed from its blend of performance, upscale interior, and generous rear-seat space, appealing to those seeking comfort and a prestigious badge.
The Good

The 2017 Infiniti Q70L boasts a potent V6 or V8 engine for exhilarating performance, a plush and spacious interior offering supreme comfort, and elegant styling that exudes sophistication. Its reliability is generally good, and for discerning buyers, it presents strong value compared to some more established luxury rivals.

The Bad

Potential buyers of the 2017 Infiniti Q70L should be aware of its slightly dated infotainment system and lower fuel economy, especially with the V8 engine. Some owners have reported minor electrical glitches and occasional transmission hesitancy. Road noise can also be more pronounced than in some competitors.

2017 Infiniti Q70L: Quick Overview

  • Engine Options:
    • 3.7L V6
    • 5.6L V8
  • Horsepower:
    • 3.7L V6: 330 hp
    • 5.6L V8: 420 hp
  • Fuel Economy (EPA Estimated):
    • 3.7L V6 RWD: 18 city / 26 highway MPG
    • 3.7L V6 AWD: 17 city / 24 highway MPG
    • 5.6L V8 RWD: 16 city / 24 highway MPG
    • 5.6L V8 AWD: 16 city / 23 highway MPG
  • 0-60 Times (Estimated):
    • 3.7L V6: Around 5.7 seconds
    • 5.6L V8: Around 4.7 seconds
  • Towing Capacity:
    The 2017 Infiniti Q70L is not designed or equipped for towing. Towing capacity is not applicable.
  • Key Trim-Level Features (Q70L specific):
    The Q70L designation indicates the long-wheelbase model, offering significantly more rear legroom than the standard Q70. Standard features across trims typically include leather upholstery, heated and ventilated front seats, a power-adjustable steering column, dual-zone automatic climate control, a rearview camera, and keyless entry with push-button start. Higher trims or optional packages often add premium audio systems (Bose), navigation, a panoramic sunroof, adaptive cruise control, blind-spot monitoring, lane departure warning, front and rear parking sensors, and a surround-view camera system. The V8 models often came with more standard performance and luxury amenities.

2017 Infiniti Q70L Specifications

Vehicle Information
Year 2017
Make Infiniti
Model Q70L
Trim -
Style -
Type Sedan
Category Mid-Size Car
Manufacturing Details
Made In Japan
Manufacturing City TOCHIGI PLANT, KAWACHI-GUN
Dimensions
Doors 4-Door
Curb Weight 4156 pounds
Gross Vehicle Weight Rating -
Overall Height 59.60 inches
Overall Length 202.00 inches
Overall Width 72.60 inches
Wheelbase Length 120.10 inches
Standard Seating 5
Engine & Performance
Engine 3.7-L V-6 DOHC 24V
Engine Size 3.7L
Engine Cylinders 6
Transmission 7-Speed Automatic
Transmission Type Automatic
Transmission Speeds 7-Speed
Drivetrain All-Wheel Drive
Additional Features
Anti-Brake System 4-Wheel ABS
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $53,750
Invoice Price $49,988
Delivery Charges $905

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What Problems Does the 2017 Infiniti Q70L Have?

The 2017 Infiniti Q70L generally exhibits good long-term reliability, benefiting from Nissan's robust engineering. However, like many luxury vehicles, it's not entirely immune to issues. Some frequently reported problems across various Q70 model years, including 2017, involve the electronic systems. This can manifest as infotainment screen glitches, Bluetooth connectivity issues, or problems with the navigation system. Owners have sometimes reported the check engine light illuminating without an apparent serious cause, which can be frustrating for diagnostics.

Another area of concern for some owners relates to the transmission. While generally smooth, there can be occasional reports of hesitation during gear changes or a lack of responsiveness, particularly in lower-speed driving. The braking system has also seen some minor complaints, with reports of squealing or premature wear on brake pads and rotors, though this can often be attributed to driving habits or specific maintenance schedules.

Regarding recalls for the 2017 model year, Infiniti issued a recall concerning the occupant classification system sensor in the front passenger seat, which could potentially lead to the airbag system not deploying correctly in certain crash scenarios. Another recall addressed a potential issue with the power steering system potentially losing assist. It is crucial for prospective buyers to verify that any recall work has been completed by a qualified Infiniti dealer.

Long-term reliability for the Q70L, especially with regular maintenance, is typically solid. The powertrains are known for their durability. However, the cost of repairs for luxury vehicles can be higher, especially for complex electronic components or specialized engine/transmission work. While the core mechanicals are robust, vigilance with maintenance records and addressing minor electronic quirks promptly is advisable for sustained trouble-free ownership.

How long will the 2017 Infiniti Q70L last?

Based on owner data and typical luxury car usage patterns, the 2017 Infiniti Q70L can reasonably be expected to last between 150,000 to 200,000 miles, or even more, with diligent maintenance. Owners who adhere to Infiniti's recommended service schedule, including regular oil changes, fluid checks, and timely replacement of wear items like brakes and tires, will significantly enhance its longevity. The V6 and V8 engines are known for their durability. Potential weaknesses over time might include the aging of interior materials, especially on high-contact surfaces, and potential for more frequent, though usually minor, electronic system issues as the vehicle gets older. The suspension components and exhaust system are generally robust but can require attention after 100,000 miles.

What Technology & Safety Features are Included?

The 2017 Infiniti Q70L comes equipped with a respectable suite of technology, entertainment, and safety features, though some may feel slightly dated compared to the latest offerings. Standard technology includes a 7-inch color display, Bluetooth connectivity for hands-free calling and audio streaming, and a rearview camera. The Infiniti Intelligent Key with Push Button Ignition and dual-zone automatic climate control are also standard.

For entertainment, most models feature an AM/FM/CD audio system with six speakers. Optional upgrades often include a premium Bose® 10-speaker surround sound system, which significantly enhances the audio experience. An integrated navigation system with an 8-inch color touchscreen display, voice recognition, and SiriusXM® Traffic and Travel Link capabilities was also available.

Driver-assistance and safety features are where the Q70L truly shines, particularly in its optional packages. Standard safety includes anti-lock brakes, stability and traction control, and a full complement of airbags. Available advanced driver-assistance systems (ADAS) are plentiful and include features like Intelligent Cruise Control, Predictive Forward Collision Warning, Forward Emergency Braking, Blind Spot Warning, Blind Spot Intervention®, Lane Departure Warning, and Lane Departure Prevention. A surround-view camera system and front and rear sonar parking sensors are also highly beneficial for maneuvering.

Crash-test ratings for the 2017 Infiniti Q70 were generally good. The National Highway Traffic Safety Administration (NHTSA) awarded the 2017 Q70 an overall rating of 5 stars. The Insurance Institute for Highway Safety (IIHS) gave the 2017 Q70 'Good' ratings in most crashworthiness tests, including moderate overlap front, side, roof strength, and head restraints & seats. It received 'Advanced' or 'Superior' ratings for front crash prevention when equipped with the optional technology package, underscoring its safety capabilities.

What Colors Options are Available?

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In the meantime, feel free to explore the other sections for more content.

2017 Infiniti Q70L Prices and Market Value

When new, the 2017 Infiniti Q70L had an MSRP that generally ranged from approximately $51,300 for the base 3.7L RWD model to around $64,750 for the 5.6L AWD model. On the current used market (as of late 2023/early 2024), you can find a 2017 Q70L typically priced between $18,000 and $28,000, depending heavily on mileage, condition, trim level (V6 vs. V8), and optional features.

The Q70L experiences a depreciation curve typical of luxury sedans, losing a significant portion of its value in the first few years. However, after its initial depreciation, it tends to hold its value reasonably well compared to some other luxury brands, especially if well-maintained. Factors affecting resale value include the rarity of the V8 engine option, the condition of the interior and exterior, the documented maintenance history, and the presence of desirable optional technology and safety features. AWD models often fetch a slightly higher price in colder climates.

2017 Infiniti Q70L Cost of Ownership

Owning a 2017 Infiniti Q70L is generally considered moderately costly, placing it in the mid-to-upper tier for luxury sedans. Insurance premiums will likely be higher than for mainstream vehicles due to its luxury status and performance capabilities. Fuel costs will vary significantly between the V6 and the V8 engines, with the latter being considerably thirstier. Regular maintenance at Infiniti dealerships or specialized independent shops is recommended, and while parts aren't exorbitant, they are pricier than for a non-luxury car. Repairs, particularly for complex electronic systems or drivetrain components, can be expensive. Overall, it's not an economical vehicle to own but offers a good balance of luxury and cost compared to some ultra-premium German rivals.

2017 Infiniti Q70L Fuel Efficiency

Fuel Type Gasoline (Required)
Fuel Capacity 20.00 gallons
City Mileage 18 miles/gallon
Highway Mileage 24 miles/gallon

2017 Infiniti Q70L Safety Rating

NHTSA
Overall Rating Not Tested
Overall Frontal Star Rating
Side Overall Star Rating Not Tested
Overall Rollover Star Rating
Combined Front Seat Rating Not Tested
Combined Rear Seat Rating Not Tested
Overall Frontal Star Rating
Frontal Barrier Star Ratings Not Tested
Overall Side Star Rating Not Tested
Side Barrier Star Ratings Not Tested
Side Pole Star Rating Not Tested
Combined Side Barrier And Side Pole Star Ratings Not Tested
Rollover Resistance Star Rating

2017 Infiniti Q70L Recalls & Defects

Power Train:driveline:driveshaft
Recall date 2024-06-21
Recall no. 24v470000
Source NHTSA
Summary Nissan North America, Inc. (Infiniti) IS Recalling Certain 2011-2013 M56, 2012-2013 M35 Hybrid, 2014-2018 Q50, Q70 Hybrid, 2014-2019 Q70, and 2015-2019 Q70l Two-wheel Drive Vehicles. THE Driveshaft CAN Fatigue and Break.
Consequence A Broken Driveshaft CAN Result IN A Loss OF Drive Power, or A Vehicle Roll Away When THE Vehicle IS IN Park Without THE Parking Brake Applied. Both Scenarios CAN Increase THE Risk OF A Crash.
Remedy Dealers Will Replace THE Driveshaft, Free OF Charge. Owner Notification Letters Were Mailed August 13, 2024. Owners MAY Contact Infiniti's Customer Service AT 1-800-662-6200. Infiniti's Numbers FOR This Recall ARE R24a5 and R24a7.
Notes Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.nhtsa.gov.

2017 Infiniti Q70L 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 0 months / No data
Estimated remaining Expired

2017 Infiniti Q70L Insurance

Insurance for a 2017 Infiniti Q70L is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.

How Does the 2017 Infiniti Q70L Compare to Other Sedan?

The 2017 Infiniti Q70L competes in the premium mid-size sedan segment against formidable rivals like the BMW 5 Series, Mercedes-Benz E-Class, Audi A6, Lexus GS, and Cadillac CT6.

Performance: The Q70L's V6 and V8 engines offer strong power, especially the V8, which can rival or surpass some competitors' base engines. However, the driving dynamics, while comfortable and engaging, may not offer the same sharp handling or refined ride as a BMW 5 Series or Mercedes E-Class.

Features: Infinit's interior is well-appointed with quality materials, and the Q70L's extended wheelbase provides superior rear legroom, a key advantage over many rivals. However, its infotainment system can feel less intuitive and modern compared to the slick interfaces found in German competitors or the Lexus GS. The availability of advanced safety features is comparable, especially with optional packages.

Reliability: Infiniti generally boasts strong reliability ratings, often surpassing European counterparts like BMW and Mercedes-Benz in long-term dependability studies. The Lexus GS typically leads this segment for sheer reliability.

Price: The Q70L typically offers a more attractive price point, both new and used, than its German rivals, providing better value for money in terms of size and power.

Alternatives:
- Lexus GS (2017-2018): Often considered a more reliable option with a smoother ride, though less powerful standard engines and less rear-seat space.
- BMW 5 Series (2017): Offers superior driving dynamics and a more advanced tech suite but typically commands a higher price and may have higher long-term maintenance costs.
- Mercedes-Benz E-Class (2017): Provides a more luxurious and sophisticated interior experience, but usually at a higher cost.
- Cadillac CT6 (2017): A strong contender with a large cabin and good value, offering a compelling American luxury alternative.

The Q70L is a strong choice if rear-seat space, potent optional V8 power, and a good balance of luxury and value are priorities, and if you prioritize strong core mechanical reliability over cutting-edge tech.

Final Verdict: Is the 2017 Infiniti Q70L a Good Sedan?

The 2017 Infiniti Q70L is ideal for buyers seeking a comfortable, spacious, and powerful luxury sedan that offers good value, especially in the used market. It's particularly well-suited for those who frequently transport rear-seat passengers, thanks to its extended wheelbase and generous legroom. Individuals prioritizing strong mechanical reliability over the latest infotainment tech will also appreciate it.

It is generally worth buying, especially as a used vehicle, where it presents a compelling alternative to more expensive German sedans. Buying used eliminates the steepest part of its depreciation. The Q70L is best purchased used rather than new, given its age. The 3.7L V6 offers a good balance of performance and efficiency, while the 5.6L V8 is for those prioritizing outright power and a more exclusive feel. Opting for a well-maintained example with available advanced safety features is recommended for a well-rounded ownership experience.

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Cathleen V

Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.