1. Sunroof, Convertible & Hardtop Auto Parts For Sale
  2. sku: 15917702057161782
  3. CADILLAC 628.GM6R16

CADILLAC 628.GM6R16 Rear Sunroof Moonroof Motor Wrnty Sunroof/moonroof 1YR

fits model: Cts. make: Cadillac. year: 2016.

628.gm6r16 Cadillac Rear Sunroof/moonroof Motor Oem 2016 Cts 1yr Wrnty

( Part Type: Motor ), ( Conditions Options: Rear Sunroof Motor ), ( Genuine Oem: Yes ), ( Ipn: 628.gm6r16 ), ( Warranty: 1 Year )

Review CADILLAC Rear Sunroof/moonroof Motor Oem 1yr Wrnty fits CTS 2016

The **Cadillac 628.GM6R16 Rear Sunroof/Moonroof Motor** is a high-performance, factory-original electric actuator designed exclusively for the **2016 Cadillac CTS**, ensuring seamless integration with the vehicle s premium interior and advanced glass-roof system. This precision-engineered motor is engineered by General Motors to deliver smooth, silent operation while maintaining the iconic luxury and reliability synonymous with Cadillac s flagship sedan. Built with robust durability in mind, the motor features a **1-year limited warranty** from the manufacturer, providing peace of mind for owners seeking both performance and long-term dependability. The unit is compatible with the **CTS s rear moonroof assembly**, offering a sleek, panoramic glass roof experience that enhances natural lighting and open-air ambiance while maintaining structural integrity. Constructed from high-grade materials, including corrosion-resistant components and sealed electrical connections, this motor is engineered to withstand the demands of daily driving, including exposure to varying weather conditions and temperature fluctuations. Whether used for a replacement due to wear or as an upgrade for enhanced functionality, this GM-specified part ensures a perfect fit, seamless operation, and the refined luxury that Cadillac enthusiasts expect. Ideal for both professional installers and DIY mechanics, the **628.GM6R16** is a critical component for maintaining or restoring the CTS s premium glass-roof system with professional-grade performance.

**Pros and Cons of Buying a 2016 Cadillac CTS with a GM6R16 Rear Sunroof/Moonroof Motor and a 1-Year Warranty**

### **Pros**

1. **Premium Brand and Build Quality**

Cadillac has historically offered a luxurious driving experience with solid build quality, especially in the CTS model, which is known for its refined interior and comfortable ride. The 2016 CTS retains much of the brand s reputation for attention to detail, making it a more appealing choice than many mainstream competitors.

2. **Rear Sunroof/Moonroof Motor**

The inclusion of a functional rear sunroof or moonroof motor adds significant value. Sunroofs enhance comfort by allowing fresh air circulation and natural light, which is particularly useful in warmer months or during long drives. A working motor ensures convenience, as it can be operated electrically rather than manually.

3. **Reliability of the 3.6L V6 Engine**

The 2016 CTS typically comes with a 3.6-liter V6 engine, which is a robust and reliable powerplant when properly maintained. This engine is known for its smooth operation and decent fuel efficiency for a luxury sedan, averaging around 19-22 MPG combined. It s also paired with an automatic transmission (likely a 6-speed), which is generally reliable if serviced regularly.

4. **Luxury Features and Comfort**

The CTS often includes features such as leather-trimmed seats, climate control, premium audio systems, and advanced driver aids (depending on the trim). These features contribute to a more enjoyable and comfortable driving experience compared to many non-luxury sedans.

5. **Resale Value**

Cadillacs, particularly the CTS, hold their value relatively well compared to some other luxury brands. This means you may recover a higher percentage of the vehicle s value if you decide to sell it in the future.

6. **Potential for Customization**

If you re mechanically inclined or willing to invest, the rear sunroof motor could be a project worth undertaking. Replacing or repairing it could be a manageable DIY task, depending on your skills, and might be more cost-effective than buying a new vehicle.

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### **Cons**

1. **Limited Warranty (1 Year)**

The 1-year warranty is a significant drawback. Most new vehicles come with at least a 3-year/36,000-mile bumper-to-bumper warranty, and powertrain warranties often extend to 5 years or more. A 1-year warranty means you re responsible for all repairs beyond that period, which could be costly if the vehicle develops issues. This lack of coverage increases the risk, especially if the vehicle has high mileage or a history of neglect.

2. **Potential for Hidden Issues**

Without a comprehensive warranty, there s a risk that the vehicle may have undiagnosed mechanical, electrical, or structural problems. The rear sunroof motor, for example, could fail prematurely if it hasn t been maintained or if there are underlying issues with the roof mechanism. Other potential problems could include transmission wear, suspension issues, or electrical gremlins common in older luxury vehicles.

3. **Age and Mileage Concerns**

A 2016 vehicle is now over 8 years old, which means it s approaching the end of its typical lifespan for major components like the transmission, timing belt, and suspension parts. If the vehicle has high mileage (e.g., over 100,000 miles), the risk of major failures increases significantly. You ll need to factor in the cost of potential replacements or repairs for these components.

4. **Maintenance and Repair Costs**

Luxury vehicles, including Cadillacs, tend to have higher maintenance and repair costs compared to mainstream brands. Parts, labor, and diagnostics can be more expensive, and finding qualified mechanics who specialize in Cadillac may require extra effort. Without warranty coverage, these costs fall entirely on you.

5. **Depreciation**

While the CTS holds its value better than some luxury sedans, all vehicles depreciate over time. A used luxury vehicle like this will continue to lose value, and if you plan to keep it long-term, you ll need to budget for ongoing expenses to keep it running smoothly.

6. **Reliability of the Sunroof Mechanism**

Sunroofs, especially those with motors, can be prone to leaks, electrical failures, or mechanical wear. Over time, the seals around the sunroof may degrade, leading to water leaks into the cabin or roof structure. If the motor fails, replacement parts can be costly, and labor-intensive repairs may be required.

7. **Market Competition and Alternatives**

There are numerous alternatives to a used luxury sedan, including newer models, hybrid/electric vehicles, or even well-maintained non-luxury sedans with lower ownership costs. If your budget allows, purchasing a newer vehicle with a longer warranty might be a safer long-term investment.

---

### **Ending Conclusion**

Buying a 2016 Cadillac CTS with a rear sunroof/moonroof motor and only a 1-year warranty is a high-risk, high-reward proposition. On the positive side, the vehicle offers luxury, comfort, and a functional sunroof, which can enhance your driving experience. However, the lack of warranty coverage, the age of the vehicle, and the potential for costly repairs make this purchase a gamble. If you re prepared to invest time and money in maintenance, inspections, and possible repairs, it *could* be a good deal especially if the price is significantly below market value. But if you prioritize peace of mind and long-term reliability, it s likely not the best choice.

---

### **Recommendation**

If you re considering this purchase, take the following steps to mitigate risks:

1. **Get a Professional Inspection**

Hire a trusted mechanic or an independent pre-purchase inspection service to thoroughly evaluate the vehicle. Pay special attention to the sunroof mechanism, transmission, suspension, and electrical systems. Look for signs of leaks, unusual noises, or wear that could indicate future problems.

2. **Verify Maintenance History**

Ensure the vehicle has been regularly maintained according to the manufacturer s recommendations. A complete service history is crucial for assessing the health of the engine, transmission, and other critical components.

3. **Negotiate the Price**

Given the limited warranty, use this as leverage to negotiate a lower price. Factor in the cost of potential repairs and deduct that from your budget to arrive at a fair offer.

4. **Consider Extended Warranty or Financing Options**

If possible, explore financing options that include an extended warranty or protection plan. Some lenders or dealers offer these as add-ons, which could provide added security.

5. **Evaluate Alternatives**

Compare the CTS to other used luxury sedans (e.g., BMW 5 Series, Lexus GS, Audi A6) or newer models with longer warranties. If the price difference isn t substantial, a more reliable option might be worth the extra cost.

6. **Budget for Unexpected Costs**

Set aside funds for potential repairs, especially if the vehicle has high mileage. Be prepared for the possibility that the sunroof motor or other components may fail within the first year, as warranties typically cover defects but not wear-and-tear issues.

**Final Verdict:**

Unless you re confident in your ability to manage the risks and have the financial resources to cover repairs, this purchase is not ideal. If you re set on buying this vehicle, prioritize a thorough inspection and negotiate aggressively. Otherwise, consider waiting for a newer model with a longer warranty or exploring other reliable used luxury options.

Details:

Shipping Damage:: Damages and evidence of tampering on the outer packaging must be noted delivery receipt by driver. Free shipping only applies to items you keep. Image shown may be the vehicle from which part was pulled, or a generic image representing typical stock, rather than unique item being sold. Please compare part numbers BEFORE purchasing.

REAR SUNROOF/MOONROOF MOTOR OEM 2016 CADILLAC CTS 1YR WRNTY: SUNROOF Included: Hassle-free 1 Year Warranty Our Part #: 6661696. Warranty HASSLE-FREE 1 YEAR WARRANTY: All parts are warrantied for a period of 12 months or year from the purchase date. Quality, Assured Parts All are Quality Tested Inspected. More Parts: 1 Year Warranty.

Very happy customer, excellent value and service. Please disregard other fitment charts they may not be correct. Easy to find parts that don't require a mechanics knowledge. If something is wrong with an order, we certainly do want to help you.

specifications sunroofconverti:

  • for models: Cts
  • for makes: Cadillac
  • for years: 2016
  • part type: Motor
  • conditions options: Rear Sunroof Motor
  • genuine oem: Yes
  • ipn: 628.gm6r16
  • warranty: 1 Year

payments sunroofconverti:

  • credit card: Visa
  • wallet: Paypal
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  • paid by: Buyer
  • policy: Returns Accepted
  • time: 60 Days

offer sunroofconverti:

  • sold: 0
  • availability: In Stock
  • started: February 24, 2026
  • best offers: True
  • options: Ship-to-home
  • quantity: 1

seller sunroofconverti:

  • # reviews: 23006
  • city: Rancho Cordova, California
  • rating: 97.1%

shipping sunroofconverti:

  • service: Flat Rate Freight
  • cost: $20.00
  • class: Freight
  • type: Fixed

general sunroofconverti:

  • Exterior Parts Accessories > Roofs, Tops Sunroofs > Sunroofs Parts
  • condition: Used
for models: cts, for makes: cadillac, for years: 2016, part type: motor, conditions options: rear sunroof motor, genuine oem: yes, warranty: 1 year,
manufacturer: cadillac, category: auto parts > exterior parts accessories > roofs, tops sunroofs > sunroofs parts, sku: 15917702057161782,
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2 offers $125.00–$125.00 USD
  • Used. Offer #1 priced at $125.00 + $25.00 shipping estimate = $150.00* total. *OPEN FOR IMPORTANT FITMENT INFO*.+$25.00 shipping
  • Used. Offer #2 priced at $125.00 + $25.00 shipping estimate = $150.00* total. +$25.00 shipping

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