BUICK 42676163 Gx Left Driver Door Mirror Blind Spot 128-11859 FT20-FT25

( Manufacturer Part Number: 42676163 ), ( Part Type: Driver Door Mirror ), ( Ipn: 128-11859 ), ( Condition And Options: W/o Surround View; W/o Memory; W/blind Spot Alert ), ( Placement On Vehicle: Left ), ( Partout Id: A-129282427 )

Review BUICK Gx Left Driver Door Mirror Blind Spot Oem Grade fits ENCORE 2024

The **Buick 42676163 FT20-FT25 Encore GX Left Driver Door Mirror Blind Spot Monitor** is a precision-engineered aftermarket accessory designed to enhance the safety and convenience of the 2020-2025 Buick Encore GX by integrating a cutting-edge blind spot monitoring system into the left driver-side door mirror. This high-performance component features a sleek, aerodynamic design that seamlessly blends with the vehicle s original styling while incorporating advanced technology to provide real-time alerts when another vehicle enters the driver s blind spot. The system utilizes a sophisticated sensor array, likely incorporating radar or ultrasonic technology, to detect nearby vehicles with exceptional accuracy, reducing the risk of collisions during lane changes or parking maneuvers. Engineered with durability in mind, this mirror is constructed from high-quality materials, including a sturdy metal frame and a clear, impact-resistant polycarbonate lens, ensuring long-lasting performance even in harsh driving conditions. The blind spot monitor itself is equipped with an intuitive LED indicator light that flashes or illuminates when a vehicle is detected in the blind spot, providing clear and immediate feedback to the driver. Additionally, the mirror may include a compact, low-profile housing that minimizes wind noise and aerodynamic drag, contributing to a smoother driving experience. This upgrade is ideal for Buick Encore GX owners who prioritize safety, modern technology, and a refined aesthetic, offering a seamless integration of functionality and style to elevate the driving experience.

**Pros and Cons of Buying a Used Buick Encore GX (2020-2025) with a Left Driver Door Mirror Blind Spot Issue**

### **Pros**

1. **Reliability and Build Quality** Buick vehicles, particularly those from the 2020-2025 model years, are known for their solid construction and durable engineering. The Encore GX is a compact SUV with a reputation for smooth handling and a comfortable ride, making it suitable for daily commuting and light off-road use.

2. **Comfortable Interior** The Encore GX features a spacious cabin with high-quality materials, ergonomic seating, and good sound insulation. The front seats are supportive, and the rear seats provide adequate legroom for passengers, making it a practical choice for families or small groups.

3. **Safety Features** The Encore GX comes equipped with standard safety technologies such as forward collision warning, automatic emergency braking, lane-keeping assist, and blind-spot monitoring (though the left driver-side mirror may have a blind spot issue). It also earns high safety ratings from the NHTSA and IIHS, indicating strong crash protection.

4. **Fuel Efficiency** The Encore GX is available with a 1.5L turbocharged engine paired with a continuously variable transmission (CVT), offering decent fuel economy for its class. The EPA estimates around 26 city/33 highway MPG, which is competitive for a compact SUV.

5. **Tech and Convenience Features** The Encore GX includes a 7-inch touchscreen infotainment system with Apple CarPlay and Android Auto, a digital instrument cluster, and available features like a wireless charging pad, heated seats, and a panoramic sunroof. These features enhance the driving experience and add value.

6. **Affordable Maintenance Costs** Buicks are generally less expensive to maintain compared to luxury brands, with lower parts and labor costs. The Encore GX s simpler powertrain (compared to larger SUVs) also means fewer potential issues and easier repairs.

7. **Resale Value** Buick retains a decent resale value, and the Encore GX, being a newer model, should hold its value relatively well compared to older or more worn-out vehicles.

8. **Versatility** The Encore GX offers a good balance between on-road comfort and light off-road capability, thanks to its ground clearance and available all-wheel drive (AWD) option. It s a versatile choice for urban driving, highway use, and light outdoor adventures.

---

### **Cons**

1. **Blind Spot Mirror Issue** The most notable drawback of this specific vehicle is the left driver-side door mirror having a blind spot. This can reduce visibility when changing lanes or merging, increasing the risk of accidents or near-misses. While blind-spot monitoring systems (if equipped) can help mitigate this, they are not a substitute for direct visual confirmation. This issue may require immediate attention, such as adjusting the mirror angle, replacing it, or installing an aftermarket solution.

2. **CVT Transmission Concerns** The Encore GX s CVT transmission is praised for its smooth operation but has been associated with occasional reliability issues in some Buick models. While not widespread, some owners report transmission hesitation, jerking, or premature wear. Regular maintenance and monitoring of transmission fluid levels can help prevent or address these issues.

3. **Rear Seat Comfort and Space** While the rear seats are adequate for short trips, they may feel cramped for taller passengers or longer journeys. The legroom is decent, but the overall space feels tighter compared to larger SUVs or crossovers.

4. **Infotainment System Limitations** The 7-inch touchscreen is functional but can feel outdated compared to larger or more advanced systems found in competitors. The interface may be less intuitive for some users, and the lack of a physical backup camera button (if not equipped) can be inconvenient.

5. **Resale Depreciation** Like most vehicles, the Encore GX will depreciate over time. While Buicks hold value better than some brands, the resale market for used compact SUVs can be competitive, and the blind spot issue may further reduce its appeal to potential buyers.

6. **Noise Levels at High Speeds** Some owners report that wind and road noise become more noticeable at higher speeds, though this is common in compact SUVs and can be mitigated by keeping windows closed or using noise-canceling headphones.

7. **Limited Off-Road Capability** While the Encore GX can handle light off-road conditions, it is not designed for severe terrain. The AWD option helps, but it lacks features like locking differentials or higher ground clearance found in dedicated off-road SUVs.

8. **Potential for Hidden Issues** As with any used vehicle, there is always a risk of undiagnosed problems, such as electrical gremlins, minor body damage, or wear-and-tear items like brakes or suspension components. A thorough pre-purchase inspection is essential to avoid surprises.

---

### **Conclusion**

The Buick Encore GX (2020-2025) is a well-rounded compact SUV that offers a comfortable ride, solid build quality, and a good balance of features for its price. Its reliability, safety ratings, and fuel efficiency make it a practical choice for daily driving. However, the left driver-side mirror blind spot issue is a significant drawback that could pose safety risks if not addressed promptly. This defect should be prioritized during the inspection or negotiation process, as it may require a mirror replacement or adjustment to restore proper visibility.

If the blind spot issue is resolved (e.g., by adjusting the mirror angle or replacing it), the Encore GX remains a strong contender for buyers seeking a comfortable, safe, and affordable compact SUV. However, if the issue cannot be easily fixed or if the seller is unwilling to address it, the potential safety hazard may outweigh the vehicle s other advantages.

---

### **Recommendation**

1. **Inspect the Mirror Thoroughly** Before purchasing, verify that the blind spot can be mitigated by adjusting the mirror angle or that the seller is willing to replace it. If the mirror is cracked or damaged beyond adjustment, consider negotiating a lower price or walking away.

2. **Get a Pre-Purchase Inspection** Hire a trusted mechanic to perform a detailed inspection of the vehicle, focusing on the transmission, suspension, brakes, and electrical systems. This will help identify any hidden issues and provide peace of mind.

3. **Test Drive Under Various Conditions** Drive the vehicle in different scenarios (highway, city, and light off-road) to ensure the blind spot does not cause discomfort or safety concerns. Pay attention to how the mirror affects your visibility when changing lanes or merging.

4. **Negotiate Based on the Issue** If the blind spot mirror is a known defect and the seller is unwilling to fix it, use it as leverage to reduce the asking price. Alternatively, consider whether the savings justify the potential safety risk.

5. **Consider Alternatives** If the blind spot issue cannot be resolved satisfactorily, explore other used compact SUVs with similar features but without this specific defect. Brands like Honda, Toyota, or Mazda often offer reliable alternatives with strong resale values.

6. **Budget for Repairs** If you decide to proceed with the purchase, allocate funds for addressing the mirror issue immediately. Additionally, factor in the cost of regular maintenance to keep the vehicle running smoothly.

**Final Verdict:** The Buick Encore GX is a solid choice for buyers who prioritize comfort, safety, and reliability, provided the blind spot mirror issue is resolved to the buyer s satisfaction. With proper inspection and negotiation, it can be a great value, but the mirror defect should not be overlooked. If the seller is cooperative and willing to address the issue, the Encore GX is highly recommended. Otherwise, consider alternatives or wait for a vehicle in better condition.

Details:

IC Year Range: 20 21 22 23 24, model's: ENCORE GX 2020 - 2024 w/o surround view; memory; w/blind spot alert opt UKC, L. Model: ENCORE GX. Manufacturer: BUICK. ENCORE GX 2025 - w/o surround view; memory; L.

part #: 42676163 prices

• $115.00-$173.00

specifications mirroexter:

• for models: Encore
• for makes: Buick
• for years: 2024
• mpn: 42676163
• part type: Driver Door Mirror
• ipn: 128-11859
• condition and options: W/o Surround View; W/o Memory; W/blind Spot Alert
• placement on vehicle: Left
• partout id: A-129282427

shipping mirroexter:

• class: Standard
• transit: 5-8 Days
• carrier: UPS
• type: Fixed
• cost: $0.00
• service: UPS Ground

offer mirroexter:

• availability: In Stock
• options: Ship-to-home
• started: May 22, 2026
• quantity: 1
• sold: 0

returns mirroexter:

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

payments mirroexter:

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

seller mirroexter:

• # reviews: 23223
• city: Stoystown, Pennsylvania
• rating: 99.9%

general mirroexter:

• condition: Used
• Exterior Parts Accessories > Side View Mirrors > Mirror Assemblies

Buick 42676163 Is Similar To:

• 000000000000 General Motors Pontiac Buick Oldsmobile Remote Mirror Nos (25.6% similar) Just because an item looks the right size doesn't mean that after packing it still is. This mirror does have a few scratches see photos. Read before sending questions and take special note on the procedures questions. All parts are sold in. Don't see something you are looking for. The cable is 35 ...(March 30th, 2019)
• 100-abracket Nos Fender Spare Tire Mirror Bracket Auburn Buick Packard Pierce (30.7% similar) Auburn buick Packard pierce arrow state Cadillac Chevrolet Chrysler cord de Soto dodge Franklin ford Hudson Lincoln lisle Nash Oakland Oldsmobile Plymouth Pontiac roe Studebaker make sure you do your research that this works for application. 2 nos front fender spare tire mirror bracket mount brass ...(March 1st, 2019)
• 1012043 Gm Nos Mirror Glass Chevy Buick Olds Pontiac Cadillac (32.7% similar) Please visit my other offer offerings for more quality stuff. Sales and shipping within the USA only. God bless the USA and her troops. I do not know all of the exact applications. Offered is a gm nos mirror glass, left side view glass may fit some or many: 1980 SCHEVY, Chevrolet, buick, old's, ...(February 17th, 2019)
• 10392388 Gmc Buick Lucerne Left Mirror (32.3% similar) My information be incorrect and I can not guarantee the accuracy of fitments listed above. I have researched the part numbers best could am not a dealer so don't access to information that may. I do not have full access to part numbers information but done my best trying research them. 9l v6 flex ...(February 23rd, 2017)
• 1195028 Buick Exterior Side Mirror Vintage Car Part (39.4% similar) Underside reads: buick actual glass is missing but replaceable. 1959 buick exterior side mirror - vintage part, note concentric rings on rim and gasket...(March 31st, 2018)
• 128-2881 2000 To 2005 Buick Lesabre Lh Driver Door Mirror Dark Blue Metallic (43.2% similar) Code in pics from car mirror was removed from. Dark blue metallic ,paint code u 407G...(September 8th, 2016)
• 1320176 Gm Nos Mirror Chevy Pontiac Olds Buick (36.4% similar) Nos genuine gm right hand manual mirror part stamped fits 1994 Chevrolet cavalier Pontiac sunbed buick sky hawk Oldsmobile frenzy. The mirror has some lite scratches from being on shelf for years...(March 1st, 2019)
• 1383840 Buick Nos Rh Passenger Side Mirror (31.3% similar) Winning bidder pays all shipping cost to be determined at close of sale or will mentioned in as. I did not get the box or gasket, mirror comes exactly as shown. Just because it is nos does not mean may meet your expectations. A lot of parts have factory flaws. Photos shown are actual of items taken ...(April 2nd, 2018)
• 14 185 995682 Gm Buick Olds Pontiac Rh Rearview Mirror Nos (29.2% similar) Includes three different mounting pads this is not a remote adjustable mirror, but by hand. This is the so-called sport mirror for sportier cars that had a painted housing rather than chromed. Nos right-hand outside rear view mirror in the original box for 1970 S 1980 S gm cars: buick, Pontiac, ...(March 24th, 2018)
• 15 3655 R H Buick Vintage Chrome Side Mirror Car Olds Chevy (31.7% similar) Vintage chrome side mirror car old's Chevy buick Rh bracket 2 gaskets...(March 4th, 2018)
• 1654678 Unknown Was Told It Right Side Mirror Chrome Buick Gm (32.7% similar) Was told its a late 1970 S buick right side mirror. Make me an offer. Has a few light scratches on it...(July 28th, 2018)