GMC 84209086 Passenger Right Power Mirror Blind Spot

( Manufacturer Part Number: 84209086 ), ( Fitment Type: Direct Replacement ), ( Color: Silver ), ( Material: Glass, Plastic ), ( Modified Item: No ), ( Placement On Vehicle: Front, Right ), ( Type: Standard Mirror Assembly ), ( Mirror Adjustment Method: Power ), ( Features: Blind Spot, Heated ), ( Attachment Method: Bolt-on ), ( Finish: Painted ), ( Country Of Origin: Mexico )

Review GMC Passenger Side Right Power Mirror Silver Blind Spot fits ACADIA 2017–2019

The **GMC 84209086 2017 2019 Acadia Passenger-Side Power Mirror with Blind Spot Detection** is a premium, high-performance vehicle accessory designed to enhance safety, convenience, and driver confidence on the road. Engineered specifically for the third-generation GMC Acadia, this power mirror combines sleek, aerodynamic styling with cutting-edge technology to provide an elevated driving experience. The mirror features a robust, corrosion-resistant construction, ensuring durability against harsh weather conditions, road debris, and the rigors of daily use. Its smooth, one-touch electric operation allows for effortless adjustment, eliminating the need for manual manipulation and reducing driver fatigue during long commutes or highway travel. The integrated blind spot detection system is a standout feature, employing advanced sensors to monitor the vehicle s rear and side areas, alerting the driver with subtle, yet noticeable visual and auditory cues when another vehicle enters the blind spot. This proactive safety measure helps prevent collisions during lane changes, merges, or parking maneuvers, significantly reducing the risk of accidents caused by limited visibility. The mirror s sleek, matte black finish not only complements the Acadia s modern aesthetic but also minimizes glare from sunlight, improving visibility in all lighting conditions. Whether navigating tight city streets or cruising on open highways, this power mirror ensures that the driver remains aware of their surroundings with precision and ease. Ideal for those seeking both functionality and style, this component is a must-have upgrade for Acadia owners who prioritize safety, convenience, and a refined driving experience.

### **Pros and Cons of Buying a 2017-2019 GMC Acadia (VIN 84209086) with Passenger Side Power Mirror and Blind Spot Monitoring**

#### **Pros**

1. **Reliable and Well-Built SUV** The GMC Acadia is known for its solid construction, comfortable ride, and durable drivetrain. The 2017-2019 models are particularly well-regarded for their longevity, especially with proper maintenance.

2. **Spacious Interior** The Acadia offers ample cargo space (up to 87.3 cu. ft. in max mode) and a comfortable third-row seating option (though it s tight for adults). The passenger side power mirror adds convenience for rear passengers.

3. **Blind Spot Monitoring (BSM)** This feature helps prevent collisions during lane changes by alerting the driver when a vehicle is in the blind spot. It s a useful safety aid, especially in larger vehicles.

4. **Good Resale Value** The Acadia holds its value better than many competitors in its class, making it a practical choice if you plan to sell or trade it later.

5. **Available V6 Engine (3.6L)** The standard 3.6L V6 provides smooth power (288 hp, 262 lb-ft torque) and decent fuel economy for a midsize SUV. The 2017-2019 models also offer an optional 2.5L turbocharged 4-cylinder (205 hp) for better fuel efficiency but less power.

6. **Comfortable Ride** The Acadia s suspension is well-tuned for highway comfort, making it a good choice for long drives. The 2017-2019 models have minor refinements over older versions but remain smooth.

7. **Standard Safety Features** Many trims include standard safety tech like stability control, traction control, and available features like forward collision warning and automatic emergency braking (depending on trim).

8. **Affordable Used Market** Compared to luxury SUVs or newer models, the Acadia offers a lot of value at this price point, especially with the added convenience of power mirrors and blind spot monitoring.

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#### **Cons**

1. **Aging Infotainment System** The 2017-2019 Acadia uses an older Chevrolet/GMC infotainment system (depending on trim) that can be slow, glitchy, and lacks modern connectivity (e.g., Apple CarPlay/Android Auto). Updates were limited, and the touchscreen interface is less intuitive than competitors.

2. **Fuel Economy Limitations** The V6 model gets around **18-20 MPG city / 24-26 MPG highway**, which is decent but not great for a midsize SUV. The turbo 4-cylinder improves this slightly but still falls short of more efficient rivals.

3. **Third-Row Comfort Issues** While the Acadia can seat seven, the third row is cramped, with limited headroom and legroom. It s best suited for children or short-term use.

4. **Rear Visibility Challenges** The Acadia s tall roofline and narrow rear window can make parking and backing up difficult, even with blind spot monitoring.

5. **Maintenance Costs** Like many GM vehicles, the Acadia requires regular oil changes (synthetic recommended) and could face issues with the **transmission (especially in automatic models)** or **exhaust systems** if not well-maintained. The 2017-2019 models are generally reliable but not immune to wear.

6. **Resale Depreciation** While the Acadia holds value better than some competitors, it still depreciates over time. If you plan to keep it long-term, this may not be a major concern, but it s worth noting.

7. **Noisy Cabin on Rough Roads** Some owners report increased road noise, especially on highways, due to the body structure and suspension tuning.

8. **Limited Off-Road Capability** The Acadia is not a true off-roader. While it has all-wheel drive (AWD) and some traction control features, it lacks the ruggedness of vehicles like the Jeep Wrangler or Toyota 4Runner.

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### **Conclusion**

The **2017-2019 GMC Acadia (VIN 84209086) with passenger side power mirror and blind spot monitoring** is a **solid, practical choice** for buyers who prioritize **space, comfort, and reliability** over cutting-edge tech or off-road performance. It s well-suited for families, daily commuters, or those who need a versatile SUV without the premium price tag of luxury brands.

However, **potential buyers should be aware of the outdated infotainment system, average fuel economy, and third-row limitations**. If maintenance records are strong and the vehicle has been well-cared-for, it can be a **great used purchase** especially if you find one with a **clean title, no major accidents, and a service history**.

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### **Recommendation**

You need a **spacious, comfortable SUV** for daily use or family transport.

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

You want **blind spot monitoring and power mirrors** for convenience.

You re okay with **average fuel economy** and an **older infotainment system**.

You plan to **keep it for 5-7 years** and maintain it properly.

You **need advanced driver-assistance features** (e.g., full automatic emergency braking, wireless CarPlay/Android Auto).

You **frequently drive long distances** and want better fuel efficiency.

You **require off-road or rugged capability**.

You **dislike outdated tech** and want a smoother infotainment experience.

The vehicle has **poor maintenance history** or **signs of neglect** (e.g., oil changes not done, transmission issues).

**Final Verdict:** This Acadia is a **strong used purchase** for the right buyer someone who values **practicality, space, and reliability** over the latest gadgets. **Get a pre-purchase inspection, check maintenance records, and test drive it thoroughly** to ensure it meets your needs. If the price is reasonable and the condition is good, it s a **smart buy**.

Details:

May Fit Other Years / model's TOO. FACTORY PART NUMBER - IF AVAILABLE - N/A PULLED FROM A 2017 GMC ACADIA. ITEM - 2017 2019 GMC ACADIA OEM PASSENGER SIDE RIGHT HAND POWER MIRROR WITH HEAT / DEFROST AND BLIND SPOT OPTIONS.

part #: 84209086 price

• $129.99

specifications mirroexter:

• for models: Acadia
• for makes: Gmc
• for years: 2017-2019
• mpn: 84209086
• fitment type: Direct Replacement
• color: Silver
• material: Glass, Plastic
• modified item: No
• placement on vehicle: Front, Right
• type: Standard Mirror Assembly
• mirror adjustment method: Power
• features: Blind Spot, Heated
• attachment method: Bolt-on
• finish: Painted
• country of origin: Mexico

general mirroexter:

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

shipping mirroexter:

• class: Standard, Expedited
• carrier: USPS, FedEx
• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground / FedEx Home Delivery
• cost: $18.15
• type: Calculated
• transit: 4-11 Days

seller mirroexter:

• # reviews: 4842
• rating: 99.8%
• city: Leander, Texas

payments mirroexter:

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

returns mirroexter:

• policy: No Returns

offer mirroexter:

• quantity: 1
• availability: In Stock
• started: April 21, 2026
• options: Ship-to-home
• sold: 0

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