INFINITI 31020-X968C Hybrid Automatic Transmission Q50 3.5L

( Manufacturer Part Number: 31020-X968C ), ( Type: Automatic Transmission ), ( Country Of Origin: Japan )

Review INFINITI Oem Q50 Hybrid Automatic Transmission 3.5l Assembly fits AWD 2014–2018

The **2014 2018 Infiniti Q50 Hybrid (31020-X968C)** represents a refined fusion of cutting-edge hybrid technology and Japanese engineering precision, delivering a seamless blend of performance, efficiency, and luxury that defines the modern luxury sedan. Built upon the same robust platform as its non-hybrid counterpart, the Q50, this model stands out as a rare hybrid offering from Infiniti, combining a **3.5-liter V6 engine** with an **electric motor** to produce a combined output of **304 horsepower** and **306 lb-ft of torque**, ensuring a dynamic yet fuel-efficient driving experience. The **automatic transmission**, a smooth-shifting **CVT (Continuously Variable Transmission)**, works in tandem with the hybrid system to optimize power delivery, whether cruising on the highway or navigating city streets with effortless acceleration. The **All-Wheel Drive (AWD)** configuration further enhances its versatility, providing enhanced traction and stability across various road conditions, from wet pavement to light off-road terrain, without sacrificing the sporty handling that Infiniti is known for.

Under the hood, the **3.5L V6** engine is paired with a **high-voltage battery pack** and an **electric motor**, creating a hybrid system that intelligently switches between electric-only mode, hybrid mode, and full engine power depending on driving demands. This setup not only improves fuel economy achieving an estimated **28 32 MPG combined** but also reduces emissions, making it an eco-conscious choice for luxury enthusiasts. The **X968C transmission** is engineered for efficiency and responsiveness, with a **multi-mode shift strategy** that ensures smooth transitions between power sources, eliminating the traditional "hybrid lag" often associated with earlier models. Whether accelerating from a stop or maintaining highway speeds, the hybrid system operates with near-invisible coordination, providing a driving experience that feels as natural as a conventional vehicle.

Inside, the Q50 Hybrid retains the **sophisticated, driver-focused cabin** that Infiniti is celebrated for, featuring premium materials like **aluminum trim, leather-appointed seats, and high-quality stitching** that exude a sense of luxury and attention to detail. The **infotainment system**, featuring an **8-inch touchscreen** (upgradable to a larger display in higher trims), integrates seamlessly with **Apple CarPlay and Android Auto**, while the **Bose premium audio system** delivers immersive sound quality that enhances both the driving experience and passenger comfort. The **sport-tuned suspension** and **adaptive damping system** ensure a balanced ride, offering a firm yet compliant posture that prioritizes both performance and refinement. With available features like **adaptive cruise control, lane-keeping assist, and a panoramic sunroof**, this model caters to both the practical needs of daily driving and the aspirational desires of luxury seekers.

Externally, the Q50 Hybrid carries the **aerodynamic, aggressive styling** that defines the Q series, with sharp lines, a **sporty rear spoiler**, and **19-inch alloy wheels** (standard on higher trims) that enhance its presence on the road. The **LED headlights** (available on select models) not only improve visibility but also contribute to a modern, futuristic aesthetic. Whether parked in a high-end garage or cruising along a scenic coastal route, this hybrid sedan exudes confidence and sophistication, proving that luxury and efficiency can coexist harmoniously. For buyers seeking a **high-performance, fuel-efficient, and technologically advanced** luxury vehicle with the reliability of Infiniti s reputation, the **2014 2018 Q50 Hybrid (31020-X968C)** stands as a compelling choice a rare hybrid offering that bridges the gap between sportiness and sustainability without compromise.

### **Pros and Cons of Buying a 2014 2018 Infiniti Q50 Hybrid (3.5L AWD, 31020-X968C, Automatic Transmission)**

#### **Pros**

1. **Hybrid Efficiency and Performance**

- The Q50 Hybrid combines a 3.5L V6 engine with an electric motor, delivering strong acceleration (0 60 mph in 5.5 seconds) while improving fuel economy compared to a non-hybrid model. EPA estimates for the 2014 2018 models range from **22 26 MPG combined**, which is competitive for a luxury AWD sedan of its era.

- The hybrid system provides smooth power delivery, reducing engine strain during high-demand situations.

2. **Luxury and Comfort**

- The Q50 is a premium sedan with high-quality materials, a refined cabin, and advanced features like **Nissan s Intelligent Key, blind-spot monitoring, and adaptive cruise control** (available in later years).

- The **3.5L V6** (shared with the non-hybrid Q50) produces **306 horsepower**, offering a sporty yet comfortable ride with AWD traction.

- The **7-speed automatic transmission** (CVT in some markets, but a traditional automatic in others) is smooth and well-integrated with the hybrid system.

3. **Reliability and Durability**

- The **3.5L V6** is a well-regarded engine with fewer issues than some competitors turbos of the era. Common problems (like oil consumption) are less severe than in some other luxury brands.

- The **hybrid battery and electric motor** are relatively low-maintenance, though battery degradation over time should be checked.

- AWD provides better traction in snow and wet conditions, which is useful for drivers in harsh climates.

4. **Resale Value and Brand Prestige**

- Infiniti (Nissan s luxury division) held its own in the 2010s, and the Q50 retains decent resale value compared to some competitors.

- The hybrid badge adds appeal to buyers seeking efficiency without sacrificing performance.

5. **Advanced Safety Features (Later Models)**

- Models from **2016 onward** include **forward collision warning, automatic emergency braking, and lane departure alerts**, making it safer than older luxury sedans.

---

#### **Cons**

1. **Hybrid Battery Concerns**

- The **hybrid battery** (a nickel-metal hydride unit) is known to degrade over time, potentially reducing efficiency or requiring replacement ( $2,000 $4,000). By **2018, some owners report reduced electric-only driving range** (if any).

- No official warranty covers battery degradation beyond the **basic 5-year/60,000-mile powertrain warranty** (which may have expired).

2. **Transmission Issues (CVT vs. Traditional Auto)**

- Some **2014 2015 models** came with a **CVT (Continuously Variable Transmission)**, which can be less refined and more prone to overheating or jerkiness over time.

- **2016 models** switched to a **traditional 7-speed automatic**, which is smoother but still requires proper maintenance to avoid shifting problems.

3. **Maintenance and Repair Costs**

- While the **3.5L V6 is reliable**, routine maintenance (oil changes, timing belt, spark plugs) is necessary. Some owners report **oil leaks from the valve cover gasket** or **water pump failures** (especially in cold climates).

- **Hybrid-specific repairs** (e.g., inverter, motor) can be costly if the battery fails prematurely.

- **AWD systems** add complexity, and drivetrain issues (like transfer case or differential problems) can be expensive to fix.

4. **Hybrid Efficiency Myths**

- While better than a gas-only Q50, the **hybrid s real-world MPG is often lower than advertised** ( 18 22 MPG in city driving, depending on driving style).

- The **electric motor provides minimal assistance** (unlike a full EV or plug-in hybrid), so fuel savings are modest compared to modern hybrids.

5. **Comfort vs. Sportiness Trade-Off**

- The Q50 is **softer than a BMW 5 Series or Audi A6**, meaning it s less engaging to drive on twisty roads.

- **Rear seat space is tight** compared to competitors like the Lexus GS or Cadillac CTS, making long trips less comfortable for tall passengers.

6. **Software and Tech Glitches**

- Early models (2014 2015) had **infotainment lag and occasional touchscreen freezes**.

- **Bluetooth connectivity issues** were reported in some units.

7. **Depreciation and Market Availability**

- The Q50 hybrid is **not as common as the non-hybrid version**, meaning parts and mechanics familiar with the hybrid system may be harder to find.

- **Insurance costs** may be slightly higher due to the hybrid powertrain.

---

### **Ending Conclusion**

The **2014 2018 Infiniti Q50 Hybrid (3.5L AWD)** is a **solid choice for buyers who want a balance of luxury, efficiency, and performance** without sacrificing too much comfort. It excels in **fuel economy over a gas-only Q50**, offers **AWD traction**, and provides a **refined cabin** with modern safety features in later years.

However, **potential buyers should be aware of hybrid battery longevity, transmission reliability (especially CVT models), and maintenance costs**. If purchased **used but well-maintained**, it can be a **great value**, but **expect to budget for future hybrid components** (battery, inverter, motor).

For those who prioritize **sportiness and tech**, a **non-hybrid Q50 or a newer luxury hybrid (like a Lexus GS 450h or BMW 530e)** might be preferable. But if you want a **luxury AWD sedan with hybrid efficiency**, the Q50 remains a **competitive and enjoyable option** just with some **long-term considerations**.

---

### **Final Recommendation**

You want a **luxury AWD sedan with better fuel economy than a gas-only model**.

You **drive in snowy or wet conditions** and value AWD.

You **prioritize comfort and refinement** over raw performance.

You **find a well-maintained example** with **verified hybrid battery health** (check for proper charging cycles and no degradation).

You re okay with **potential future hybrid repairs** (budget $1,000 $3,000 for battery/inverter if needed).

You **need maximum efficiency** (a plug-in hybrid or EV would be better).

You **prefer a sportier drive** (consider a BMW 5 Series or Audi A6).

You **can t afford potential hybrid battery replacement** in 5 10 years.

You **find transmission issues** (CVT models may need attention).

You **want the latest tech** (infotainment is dated compared to newer luxury cars).

- **Get a pre-purchase inspection** (focus on hybrid battery, transmission, and AWD components).

- **Check service records** for oil changes, timing belt replacement, and hybrid system maintenance.

- **Test drive to ensure comfort and transmission smoothness**.

- **Compare pricing** to non-hybrid Q50s if the hybrid isn t significantly cheaper, the extra features may not justify the risk.

- **Lexus GS 450h (2014 2018)** More refined, better resale, but less sporty.

- **BMW 530i xDrive (2014 2018)** More engaging to drive, but higher maintenance costs.

- **Audi A6 3.0T Quattro (2014 2018)** More upscale, but diesel models have emissions concerns.

**Verdict:** The **Q50 Hybrid is a great used luxury AWD sedan**, but **only if you re prepared for potential hybrid system costs and maintenance**. If found in good condition, it offers **a compelling mix of power, efficiency, and comfort** just with the usual trade-offs of a used luxury car.

Details:

THIS CAME OFF INFINITI Q50 HYBRID 2014 3.5L V6 ALL WHEEL DRIVE #39.

part #: 31020x968c prices

• $1999.95-$2634.90

specifications autotransmissionsgo:

• for models: Awd
• for makes: Infiniti
• for years: 2014-2018
• mpn: 31020-x968c
• type: Automatic Transmission
• country of origin: Japan

shipping autotransmissionsgo:

• type: Fixed
• service: Flat Rate Freight
• cost: $350.00
• class: Freight

offer autotransmissionsgo:

• started: April 29, 2026
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• sold: 0

returns autotransmissionsgo:

• paid by: Buyer
• policy: Returns Accepted
• time: 60 Days

seller autotransmissionsgo:

• city: Rancho Cordova, California
• # reviews: 13932
• rating: 99.8%

payments autotransmissionsgo:

• other
• credit card: Mastercard
• wallet: Apple-pay

general autotransmissionsgo:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission

Infiniti 31020-X968C Is Similar To:

• 1104725 Awd Transmission Automatic G35 Infiniti 05 (32.4% similar) There are several variations and applications that our part may not be enough for you determine if it will fit your vehicle. Shipping chart for axle assemblies, engines, and transmissions shipping for axle assemblies, engines and transmissions is a flat rate cost of the following for for the lower, ...(November 21st, 2014)
• 7 120150 Automatic M37 10 Transmission Infiniti Speed 12 Rwd 11 (45.6% similar) 7,AT,RWD,FLOOR, this part will fit these makes and model's with these options infiniti M37 12. If an item arrives damaged, please within 24 hrs for instructions...(November 20th, 2014)
• Nissan Oem Drive Plate 12331al60b Genuine Infiniti (23.5% similar) Image not available for this item...(August 28th, 2014)
• 12331ar00b Plate Genuine Drive Infiniti Oem (24.8% similar) Image not available for this item...(August 27th, 2014)
• TRANSMISSION INFINITI QX56 1310397 05 06 5.6L AT 120K (20.1% similar) Our transmissions come with a 120 day parts only warranty. Warranty requirements: install new filter kit replace front seals replace axle seals some trans axles have two separate fills for the final drive and transmission-fill both flush & inspect transmission cooling lines and transmission cooler ...(May 10th, 2014)
• Q50 Transmission 2014 1452758 Infiniti (30.6% similar) Ask any and all questions before the you purchase. This is a parts replacement warranty only. All notes in that section box must be matched to verify fitment for your vehicle. Our transmissions come with a 120 day parts only warranty. FAQ q can I buy this whole vehicle a sorry, but you cannot. ...(March 6th, 2015)
• 14x9d Infiniti Oem Rear Wheel Drive Rwd Automatic Transmission Auto At (55.1% similar) And will display common signs of use. Please conduct your research prior to making the purchase ensure that this part will fit vehicle. Warranty for engines is the bare long block only which cylinder head, engine and oil pan. All ecus have a 30 day warranty from the date of delivery. Instrument ...(September 23rd, 2018)
• Infiniti 169849 96 Q45 Automatic Transmission (51.9% similar) ...(January 5th, 2015)
• Q45 98 1855384 Infiniti 00 Transmission Automatic 01 97 99 (43.1% similar) If you live outside of the continental USA, please for a shipping quote. In some cases, our inspectors find that the part is no longer suitable for use. Our friendly staff is here Mon. A code of indicates no damage found aside from signs of normal use and wear a code of scratches a code of dents a ...(December 7th, 2014)
• 2009 1xj4b Transmission 7 Infiniti Automatic Sedan Speed Awd G37x G37 (32.9% similar) Fitment compatibility transmission will fit only 2009 infiniti G37X awd it is a replacement only for transmission model 1XJ4B...(April 25th, 2015)
• 1z20909 X458d 2c1z13n054 Infiniti Xs Coupe Awd Automatic Transmission Speed Oem (55.1% similar) Kept in doors. 2013 G37 awd transmission and traffics...(September 30th, 2018)