CADILLAC 407.GM6N16 Xts Automatic Transmission Torque Converter 3.6

( Part Type: Torque Transmission Converter ), ( Conditions Options: 4, 3.6, At, Fwd ), ( Genuine Oem: Yes ), ( Ipn: 407.gm6n16 ), ( Manufacturer Warranty: 60 Day )

Review CADILLAC Xts Automatic Transmission Torque Converter 3.6 fits 2016–2018

The **Cadillac 407 3.6L V6 (GM6N16) with XTS Automatic Transmission Torque Converter** is a premium, high-performance powertrain engineered for luxury, efficiency, and seamless driving dynamics, designed to deliver an exhilarating yet refined experience in full-size SUVs and executive vehicles. Built on General Motors advanced **3.6L EcoTec3 V6 platform**, this engine combines cutting-edge cylinder deactivation technology with a dual independent variable valve timing (DIVVT) system, optimizing performance across a broad range of operating conditions. The **GM6N16** automatic transmission, a six-speed with a smooth-shifting torque converter, ensures effortless acceleration and responsive gear engagement, whether cruising on the highway or navigating tight city streets. The torque converter itself is meticulously calibrated to provide optimal torque multiplication, enhancing launch power and maintaining a quiet, vibration-free ride under all driving scenarios. This powertrain is a standout feature in the **2016 2018 Cadillac XTS**, where it powers the vehicle to a **0 60 mph time of approximately 6.5 seconds** while achieving an impressive **26 city/36 highway MPG** rating, striking a perfect balance between thrilling performance and practical efficiency. The **3.6L V6** also incorporates **direct injection and port injection** for precise fuel delivery, reducing emissions and improving fuel economy without compromising power output. Under the hood, the engine features a **cast-iron block with aluminum cylinder heads**, ensuring durability and longevity, while the **XTS-specific tuning** refines the throttle response and overall driving feel, making it a standout choice for those seeking a blend of luxury and performance. Whether navigating snowy mountain passes, merging onto bustling highways, or simply enjoying the quiet elegance of a well-tuned powertrain, this **Cadillac 407 3.6L V6 with GM6N16 automatic transmission** delivers a driving experience that is both powerful and polished, embodying the brand s commitment to innovation and sophistication.

### **Pros and Cons of Buying a 2016 2018 Cadillac ATS with the 3.6L V6 (GM6N16) and Automatic Transmission**

#### **Pros**

1. **Reliable Engine and Transmission**

- The **3.6L V6 (GM6N16)** is a well-proven engine, originally developed by General Motors and later refined by Ford (used in the Ford Taurus and Mercury Sable). It is known for its durability, especially when maintained properly. The **6-speed automatic transmission** (6T70) is also a robust unit, though it can be finicky with shifting if not serviced regularly.

2. **Comfortable and Refined Ride**

- The Cadillac ATS is designed for a smooth, quiet, and upscale driving experience. It features **soft suspension tuning**, making it ideal for city driving and highway cruising. The cabin is well-insulated, reducing road noise.

3. **Good Fuel Economy for a Luxury Sedan**

- The 3.6L V6 offers **better fuel efficiency** than many V8-powered luxury sedans of its era. Expect around **18 22 MPG in the city** and **26 30 MPG on the highway**, depending on driving conditions and maintenance.

4. **Comfortable Interior and Luxury Features**

- The ATS comes with **high-quality materials**, including soft-touch plastics, leather seats (in higher trims), and available **heated/ventilated seats**. Standard features include **Bluetooth, USB ports, a 7-inch touchscreen (later models), and a premium sound system**.

- The **driver s seat is ergonomic**, with good adjustability and lumbar support, making long drives more comfortable.

5. **Decent Handling and Driving Dynamics**

- While not a sporty car, the ATS handles well for its size, with **responsive steering** and a **stable ride**. The **XT trim** (the highest available) includes **sport-tuned suspension**, improving road feel and cornering.

6. **Lower Maintenance Costs Compared to V8 Models**

- Unlike Cadillac s larger V8 engines (e.g., the 6.2L V8 in the CTS), the 3.6L V6 has **fewer moving parts**, leading to **lower long-term maintenance costs**. Oil changes, spark plugs, and basic upkeep are relatively inexpensive.

7. **Good Resale Value (For Its Class)**

- While not as high as some German luxury brands, the ATS retains **decent resale value** compared to other American luxury sedans of its era.

8. **Available Safety Features**

- Later models (2017 2018) come with **standard stability control, traction control, and available safety packages** (e.g., **Forward Collision Alert, Lane Departure Warning**). The **2018 model year** introduced **standard rearview camera**, which is a nice convenience.

---

#### **Cons**

1. **Transmission Issues (6T70 Automatic)**

- The **6-speed automatic transmission** in these models has a reputation for **rough shifting, delayed engagement, and occasional slipping**, especially if not maintained properly. Some owners report **transmission fluid leaks** over time.

- **Solution:** Regular **transmission fluid changes** (every 60,000 100,000 miles) and **prompt attention to shifting problems** can mitigate these issues.

2. **Infotainment System Limitations**

- The **2016 model** has a **clunky, non-touchscreen infotainment system** with a small display and limited connectivity. The **2017 2018 models** improved with a **7-inch touchscreen**, but it still lacks **Apple CarPlay or Android Auto** (introduced in later Cadillac models).

- **Workaround:** Aftermarket solutions (like **Pioneer or Sony head units**) can be installed, but this adds cost.

3. **Outdated Tech Compared to Competitors**

- By 2018, many luxury competitors (BMW 3 Series, Audi A4, Lexus ES) had **better infotainment, more advanced driver aids, and wireless Apple CarPlay/Android Auto**. The ATS feels **dated in this regard**.

4. **Poor Fuel Economy in Real-World Use**

- While the EPA ratings are decent, **real-world MPG is often lower**, especially in stop-and-go traffic. Some owners report **15 17 MPG in the city** due to aggressive driving or poor maintenance.

5. **Build Quality and Interior Durability**

- The **interior plastics feel cheap** compared to German or Japanese luxury brands. Some owners report **plastic trim wearing out quickly** (e.g., cup holders, door panels).

- The **sunroof (if equipped) can leak** in some models, requiring costly repairs.

6. **Rust Concerns (Especially in Snowy Regions)**

- Cadillac has had **rust issues** in the past, particularly in **wheel wells and lower body panels**. A **pre-purchase inspection** is crucial to check for rust damage.

7. **Limited Power and Performance**

- The **3.6L V6 produces only 280 290 hp**, which is **lackluster compared to competitors**. The **XT trim** adds a **sport-tuned suspension and sport-tuned exhaust**, but it doesn t make the car feel significantly more powerful.

- **0 60 mph is around 7 8 seconds**, which is **slower than a BMW 330i or Audi A4**.

8. **High Maintenance Costs Over Time**

- While the **3.6L V6 is reliable**, **Cadillac dealership labor rates are high**. Major repairs (transmission, suspension, electrical) can be **expensive** compared to non-luxury brands.

9. **Resale Depreciation**

- The ATS has **depreciated significantly** since its peak years. If you plan to sell later, you may not recover much of the initial investment.

10. **Noisy Cabin at High Speeds**

- Some owners report **wind noise and road noise** becoming noticeable at **highway speeds**, especially if the **sound insulation has degraded**.

---

### **Ending Conclusion**

The **2016 2018 Cadillac ATS with the 3.6L V6 and automatic transmission** is a **solid choice for buyers who prioritize comfort, reliability, and fuel efficiency over cutting-edge technology or high performance**. It is **best suited for:**

- **Commuters and families** who want a **quiet, smooth, and practical luxury sedan**.

- **Buyers who don t mind occasional transmission quirks** if they **maintain the car properly**.

- **Those who prefer American luxury** over German or Japanese alternatives and can tolerate **some dated tech**.

However, if you **value the latest infotainment, advanced safety features, or sportier performance**, you may find **better options elsewhere** (e.g., **BMW 3 Series, Audi A4, Lexus ES, or even a well-maintained Nissan Maxima**).

---

### **Recommendation**

You **prioritize comfort and reliability** over the latest tech.

You **plan to maintain it well** (regular oil changes, transmission fluid flushes, and prompt repairs).

You **don t need extreme performance** and are okay with **moderate power**.

You **find a well-documented example** (service records, no transmission issues, no rust).

You **prefer American luxury** and can accept **some trade-offs in tech and resale value**.

You **expect a high-performance or tech-loaded luxury car**.

You **can t afford potential transmission or electrical repairs**.

You **live in a snowy region** and are concerned about rust.

You **want a car that will hold value well** (consider a **Lexus ES or BMW 3 Series** instead).

- **Get a pre-purchase inspection** (especially checking the **transmission, suspension, and rust areas**).

- **Test drive for comfort and transmission smoothness** listen for **clunking or delayed shifts**.

- **Negotiate aggressively** these models often sell for **well below MSRP** due to depreciation.

- **Budget for maintenance** expect **transmission fluid changes every 60K miles** and **potential suspension wear**.

The **2016 2018 Cadillac ATS with the 3.6L V6 is a decent used luxury sedan**, but it s **not a top-tier choice** compared to some competitors. It s **best for buyers who want a comfortable, reliable daily driver without breaking the bank**. If you **can find a well-maintained example**, it can be a **great value** but don t expect **luxury-level tech or performance**.

Details:

4 ,3.6,AT,FWD. Donor Vehicle - 2016 XTS. Warranty: All parts come with our standard 60 day warranty. Stock Number - 2590.

It is stored in doors and ready to be shipped. Torque converter.

specifications torquconv:

• for makes: Cadillac
• for years: 2016-2018
• part type: Torque Transmission Converter
• conditions options: 4, 3.6, At, Fwd
• genuine oem: Yes
• ipn: 407.gm6n16
• manufacturer warranty: 60 Day

seller torquconv:

• # reviews: 27776
• city: Sauk Centre, Minnesota
• rating: 99.6%

general torquconv:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Torque Converters

offer torquconv:

• availability: In Stock
• sold: 0
• quantity: 1
• started: March 5, 2026
• best offers: True
• options: Ship-to-home

returns torquconv:

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

payments torquconv:

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

shipping torquconv:

• cost: $0.00
• type: Fixed
• service: UPS Ground
• carrier: UPS
• transit: 2-5 Days
• class: Standard

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