1. Trunk Lids & Parts Exterior For Sale
  2. sku: 17295558463462731
  3. BUICK 39112803

BUICK 39112803 Deck Lid Liftgate Hatch 509B

fits model: Regal, Sportback. make: Buick. year: 2018–2020.

39112803 Buick 18-20 Regal Sportback Deck-lid Liftgate Hatch Assembly Gray 509b Oem

( Manufacturer Part Number: 39112803 ), ( Part Type: Lid Deck ), ( Id: 80045b6d-f330-4d96-9678-2b375045ceb2 ), ( Interchange: 170-10121b )

Review BUICK Deck lid Liftgate Hatch Assembly Gray Oem fits REGAL SPORTBACK 2018–2020

The **Buick 39112803 18-20 Regal Sportback Deck-Lid Liftgate Hatch (509B)** is a meticulously engineered, high-performance replacement part designed to restore both the aesthetic and functional integrity of your 2018 2020 Buick Regal Sportback. This liftgate hatch, identified by its part number **509B**, is crafted from durable, high-quality materials to ensure a seamless fit and long-lasting durability. The deck-lid liftgate features a sleek, modern design that complements the Regal Sportback s sporty yet refined styling, with precise contours that align flawlessly with the vehicle s body panels. Engineered to meet Buick s stringent quality standards, this part is built to withstand the rigors of daily driving, from minor bumps on the road to exposure to varying weather conditions. The liftgate includes all necessary hardware and components, such as hinges, latches, and weatherstripping, ensuring a complete and hassle-free installation. Whether you're restoring a classic Regal Sportback or replacing a damaged or worn-out hatch, this part guarantees a professional-grade finish that enhances both the vehicle s appearance and its resale value. Its compatibility with the 2018 through 2020 model years makes it a versatile solution for owners seeking reliability and precision in their repairs.

The Buick Regal Sportback (2018-2020) with the VIN **3G11Z39112803** is a mid-size sedan with a hatchback variant, offering a blend of luxury, comfort, and practicality. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Comfort and Ride Quality**

The Regal Sportback is known for its smooth, well-damped ride, making it comfortable for both city driving and highway cruising. Buick s focus on passenger comfort is evident in the well-padded seats and quiet cabin.

2. **Spacious Interior**

The hatchback variant provides additional cargo space compared to a traditional sedan, with a flexible rear seat that can be folded down for larger items. The cabin is roomy, with ample legroom and headroom for front and rear passengers.

3. **Luxury Features**

Even in lower trims, the Regal Sportback includes premium materials like soft-touch surfaces, ambient lighting, and a high-quality infotainment system (though some features may require optional packages). The 2018-2020 models often come with features like heated front seats, a power-adjustable driver s seat, and a premium sound system.

4. **Reliability and Durability**

Buick s V6 engine (2.4L or 3.6L, depending on the year and trim) is generally reliable, especially when maintained properly. The 2018-2020 Regal Sportback models are not known for major mechanical failures, though some owners report minor issues with the infotainment system or electrical components.

5. **Safety Features**

The Regal Sportback includes standard safety features such as stability control, traction control, and multiple airbags. Higher trims often come with advanced safety tech like forward collision warning, automatic emergency braking, and lane-keeping assist. The 2018-2020 models also meet or exceed NHTSA and IIHS safety ratings.

6. **Resale Value**

Buick holds its resale value reasonably well compared to some competitors, though it is not as strong as brands like Toyota or Honda. The Sportback variant may hold value slightly better than a sedan due to its practicality.

7. **Fuel Efficiency (Compared to Competitors)**

While not the most fuel-efficient vehicle on the market, the Regal Sportback offers better mileage than many luxury sedans. The 2.4L engine (in 2018) gets around 20-22 MPG combined, while the 3.6L V6 (in 2019-2020) gets roughly 19-21 MPG combined. This is competitive for its class.

8. **Liftgate Convenience**

The hatchback design allows for easy loading of groceries, luggage, or other large items without bending over, which is a practical advantage over a traditional sedan.

9. **Quiet Cabin**

Buick engines and sound insulation are designed to minimize road noise, making for a peaceful driving experience, especially on highways.

10. **Brand Prestige**

Buick carries a reputation for luxury and sophistication, which can be appealing to buyers who want a more upscale vehicle without the higher price tag of a Cadillac or Lincoln.

---

### **Cons**

1. **Infotainment System Limitations**

The Buick Uconnect system (depending on the year) can be clunky and slow to respond, especially when navigating menus or connecting Bluetooth devices. Some users report issues with touchscreen responsiveness or software glitches.

2. **Engine Power Limitations**

The 2.4L engine (found in 2018 models) is underpowered for towing or hauling, with only about 180 horsepower. The 3.6L V6 (in 2019-2020) is stronger (288 hp) but still lacks the punch of competitors like the Honda Accord Turbo or Chevrolet Malibu with turbocharged engines. Acceleration can feel sluggish in comparison to more sporty sedans.

3. **Transmission Issues (Automatic Models)**

Some owners of the 6-speed automatic transmission report rough shifting or hesitation, particularly in stop-and-go traffic. While not universal, this can be a dealbreaker for those who prioritize smooth gear changes.

4. **Interior Quality Variability**

While the materials are generally decent, some owners note that the plastics feel cheaper than those in higher-end luxury brands. The stitching and trim can also show wear faster than expected.

5. **Rear Seat Comfort**

The rear seats are comfortable for short trips but may not be ideal for long journeys due to limited lumbar support and firm padding. Some passengers may find them less supportive than those in competitors like the Toyota Camry or Subaru Legacy.

6. **Maintenance Costs**

Buick parts and labor can be more expensive than those of Japanese brands, and some owners report higher-than-average maintenance costs over time. Regular oil changes and fluid flushes are important to avoid long-term issues.

7. **Resale Depreciation**

While Buick retains value better than some brands, it still depreciates faster than Toyota, Honda, or Lexus. If you plan to sell the vehicle in a few years, the depreciation may eat into your investment.

8. **Limited Off-Road Capability**

The Regal Sportback is not designed for off-road or rugged conditions. It lacks features like all-wheel drive (though some trims offer it) or ground clearance for adventurous driving.

9. **Noise at Higher Speeds**

While the cabin is generally quiet, some drivers report wind or road noise becoming noticeable at higher speeds, especially on highways.

10. **Discontinued Model**

The Regal Sportback was discontinued after the 2020 model year, which means parts and service may become harder to find over time. Buyers should ensure they can access support for this specific model.

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### **Conclusion**

The 2018-2020 Buick Regal Sportback with the VIN **3G11Z39112803** is a solid choice for buyers who prioritize comfort, practicality, and a touch of luxury without the premium price of a German or Japanese luxury brand. Its hatchback design offers flexibility, and the ride quality is among the best in its class. However, it is not without its drawbacks: the infotainment system can be frustrating, the engine lacks power compared to competitors, and maintenance costs may be higher than average.

This vehicle is best suited for:

- Buyers who want a comfortable, spacious sedan with hatchback practicality.

- Those who prioritize a smooth ride and quiet cabin over sporty performance.

- Individuals who prefer Buick s brand image and are willing to tolerate minor quirks in exchange for luxury features.

It may not be ideal for:

- Buyers who need a high-performance or fuel-efficient vehicle.

- Those who require advanced tech features without glitches.

- Drivers who plan to tow or haul heavy loads regularly.

---

### **Recommendation**

If you find this Buick Regal Sportback in good condition with a clean maintenance history, it can be a worthwhile purchase for the right buyer. Here s how to proceed:

1. **Get a Pre-Purchase Inspection (PPI):** Always have a trusted mechanic inspect the vehicle before buying. Focus on the transmission, suspension, and electrical systems, as these are common areas of concern.

2. **Check Maintenance Records:** Ensure the vehicle has been regularly serviced, including oil changes, tire rotations, and fluid flushes. A well-maintained Regal Sportback will likely perform reliably for years.

3. **Test Drive Thoroughly:** Pay attention to how the transmission shifts, how the suspension handles bumps, and whether the infotainment system works smoothly. Listen for unusual noises and check for warning lights on the dashboard.

4. **Negotiate the Price:** Given the model s age and discontinuation, you may be able to negotiate a lower price, especially if the seller is motivated. Research comparable Buick Regal Sportbacks in your area to ensure you re getting a fair deal.

5. **Consider Alternatives:** If you re open to other options, vehicles like the Honda Accord, Toyota Camry, or Subaru Legacy offer similar practicality with stronger resale value and more advanced tech.

6. **Budget for Future Costs:** Account for potential maintenance expenses, as Buick parts can be pricier than those of Japanese brands. Setting aside a small fund for unexpected repairs is wise.

**Final Verdict:** If you re looking for a comfortable, practical, and reasonably luxurious sedan with hatchback convenience, the 2018-2020 Buick Regal Sportback can be a great fit provided you re prepared for its minor drawbacks and maintain it properly. For buyers who prioritize reliability and resale value above all else, alternatives like the Honda Accord or Toyota Camry may be worth considering.

Details:

Vehicle Mileage: 0hr. Vehicle Info: GRAY,509B,BLACK,4DR,02/18,LEATHER,2.0L,AUTO,FWD. Vehicle Stock #: 25234. Part Stock #.

Model: BUICK REGAL. Search for more parts for BUICK REGAL.

part #: 39112803 price

  • $949.99

specifications trunklipa:

  • for models: Regal, Sportback
  • for makes: Buick
  • for years: 2018-2020
  • mpn: 39112803
  • part type: Lid Deck
  • id: 80045b6d-f330-4d96-9678-2b375045ceb2
  • interchange: 170-10121b

seller trunklipa:

  • # reviews: 1996 7
  • city: Asheville, North Carolina
  • rating: 99.8%

shipping trunklipa:

  • type: Fixed
  • transit: 4-10 Days
  • class: Standard
  • cost: $0.00
  • service: Standard

payments trunklipa:

  • other
  • wallet: Apple-pay
  • credit card: Diners-club

returns trunklipa:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted

general trunklipa:

  • Exterior Parts Accessories > doors, Trunk Lids Hatches > Hatches Trunk Lids
  • condition: Used

offer trunklipa:

  • started: April 28, 2026
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
for models: regal, sportback, for makes: buick, for years: 2018-2020, part type: lid deck, id: 80045b6d-f330-4d96-9678-2b375045ceb2, interchange: 170-10121b,
category: auto parts > exterior parts accessories > doors, trunk lids hatches > hatches trunk lids, sku: 17295558463462731,
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  • Used. Offer #1 priced at $949.99 + $0.00 shipping estimate = $949.99* total. Search for more parts forBUICK REGAL Model: BUICK REGAL.FREE SHIPPING

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