BUICK 215.GM4A18 Seat Rear

( Part Type: Seat ), ( Conditions Options: 2nd Row Passenger Side 4dr Suv Hke ), ( Genuine Oem: Yes ), ( Ipn: 215.gm4a18 ), ( Manufacturer Warranty: 90 Day )

Review BUICK Seat Rear fits ENCLAVE 2018

The **2018 Buick Enclave 215.gm4a18 rear seat** represents a refined and spacious segment of the luxury crossover SUV market, designed to deliver a harmonious blend of comfort, technology, and premium craftsmanship. This particular seating position, located in the second row, offers a generously proportioned area with ample legroom and headroom, ensuring that passengers whether adults or children can enjoy a relaxed and unobstructed ride. The rear seating configuration features a bench-style design, providing a total seating capacity of five, with the outer seats equipped with integrated headrests and side impact airbags for enhanced safety. The materials used throughout the cabin exude a sense of sophistication, with high-quality stitching, soft-touch surfaces, and a polished wood or metal trim accent that adds a touch of elegance. The seating itself is upholstered in durable, easy-to-clean fabric or premium leather (depending on the trim level), ensuring both durability and a luxurious feel under the touch. The rear seat also benefits from Buick s signature attention to ergonomics, with adjustable lumbar support and a contoured design that minimizes fatigue during long drives. Additionally, the rear passengers have access to climate control vents, allowing them to customize their comfort independently, while the inclusion of a rearview camera and available rear entertainment systems further elevates the experience. Whether used for family outings, road trips, or simply as a comfortable space for passengers, this rear seat embodies Buick s commitment to blending practicality with refined luxury, making it an ideal choice for those who demand both space and style.

Buying a used 2018 Buick Enclave with a 2.1L GM4A18 engine and a rear seat (likely a 3-row model) can be a practical choice for families or those needing extra space, but it comes with several considerations. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of Buying a 2018 Buick Enclave (2.1L GM4A18, Rear Seat)**

1. **Spacious Interior and Practicality**

The Enclave is a three-row SUV with a generous cargo area (up to 104.3 cubic feet with seats folded) and a comfortable rear seating row. The rear seat is particularly useful for families, passengers, or hauling larger items. The layout is designed for ease of access, with sliding doors on the second row and a spacious third row.

2. **Comfortable Ride and Quiet Cabin**

Buick is known for its refined ride quality, and the Enclave delivers a smooth, well-isolated cabin with minimal road noise. The suspension is tuned for comfort rather than sportiness, making it ideal for highway driving and long trips.

3. **Reliability of the 2.1L Turbocharged Engine (GM4A18)**

The 2.1L turbocharged inline-4 engine (also used in the Chevrolet Traverse and others) is a relatively robust powerplant for its class. It produces around 250 horsepower and 252 lb-ft of torque, which is sufficient for daily driving and light towing (up to 3,500 lbs with the proper package). While turbocharged engines can be prone to issues if not maintained, the 2.1L has a solid reputation for longevity if serviced regularly, especially with oil changes and proper cooling system care.

4. **Standard Safety Features**

- Forward Collision Alert with Automatic Emergency Braking

- Blind Spot Monitoring with Rear Cross-Traffic Alert

- Lane Departure Warning

- Stability Control and Traction Control

- Multiple airbags (front, side, and curtain)

These features are standard on higher trims and provide peace of mind for safety-conscious buyers.

5. **Comfortable Seating and Luxury Amenities**

- Heated front seats (standard on higher trims)

- Leather-trimmed seats (on premium trims)

- Climate-controlled front seats (on higher trims)

- Ambient lighting and a user-friendly infotainment system (though the 2018 model uses an older interface compared to newer Buicks)

The cabin feels premium, with attention to detail in trim and ergonomics.

6. **Good Resale Value**

Buick SUVs, particularly the Enclave, hold their value reasonably well compared to some competitors. This can be beneficial if you plan to upgrade later.

7. **Fuel Efficiency for a Large SUV**

- EPA-estimated 19 city / 26 highway MPG (automatic transmission)

This is better than many larger V8-powered SUVs but still falls short of diesel or hybrid alternatives.

8. **Low Maintenance Costs Relative to Competitors**

The 2.1L engine and automatic transmission are relatively inexpensive to repair compared to V6 or V8 engines found in competing SUVs (e.g., Ford Explorer, Chevrolet Tahoe). Parts and labor costs are generally lower for Buick than for luxury brands.

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### **Cons of Buying a 2018 Buick Enclave (2.1L GM4A18, Rear Seat)**

1. **Turbocharged Engine Reliability Concerns**

While the 2.1L turbocharged engine is generally reliable, it is more complex than a naturally aspirated engine and requires careful maintenance. Common issues to watch for include:

- **Turbocharger failure**: Symptoms include whining noises, loss of power, or excessive exhaust smoke. Turbochargers can fail prematurely if the engine is not properly warmed up before driving hard or if oil changes are neglected.

- **Oil dilution**: In cold climates, fuel can mix with oil, reducing lubrication quality. This can lead to engine wear or startup issues. Regular oil changes (every 5,000 miles or as recommended) and using the correct oil viscosity are critical.

- **Coolant leaks**: The turbocharger and intercooler system rely on proper cooling. Leaks in the coolant or oil lines can cause overheating or turbo failure.

- **Carbon buildup**: Turbocharged engines are prone to carbon deposits on intake valves, which can reduce performance and fuel efficiency. Periodic intake cleaning may be needed.

To mitigate these risks, ensure the vehicle has a full service history, including oil changes, turbo inspections, and cooling system checks.

2. **Infotainment System Limitations**

The 2018 Enclave uses an older Buick infotainment system (likely the 8-inch touchscreen with a rotary knob for navigation). While functional, it lacks the smoothness and advanced features of newer systems (e.g., Apple CarPlay, Android Auto, or larger touchscreens). The interface can feel clunky compared to competitors like the Ford Explorer or Chevrolet Traverse.

3. **Third-Row Comfort and Practicality**

While the third row is spacious, it is not as comfortable as the first two rows. Passengers in the rear may find limited legroom and headroom, especially for taller individuals. The cargo area behind the third row is also narrow, which can be a drawback for hauling large or oddly shaped items.

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

The Enclave uses a 6-speed automatic transmission (6T70), which is generally reliable but can experience rough shifting or delayed engagement if not properly maintained. Some owners report transmission fluid leaks or hesitation under load. Regular transmission fluid changes (every 60,000 miles or as recommended) are essential to prevent these issues.

5. **Resale Depreciation**

While the Enclave holds its value better than some SUVs, it still depreciates significantly over time. If you plan to keep the vehicle for only a few years, the depreciation may eat into your investment.

6. **Fuel Economy Not Exceptional**

The 2.1L turbocharged engine offers decent fuel efficiency for its size, but it is not the most economical option. Highway driving will consume more fuel than a smaller SUV or hybrid. If fuel efficiency is a top priority, consider alternatives like the Toyota Highlander Hybrid or Honda Pilot.

7. **Maintenance Costs Can Add Up**

While parts are affordable, labor costs can be higher depending on the dealership or independent shop. Buick dealerships may charge premium rates for maintenance, so shop around for quotes.

8. **Limited Off-Road Capability**

The Enclave is not designed for off-road use. It has standard tires and a suspension tuned for on-road comfort, not rough terrain. If you need an SUV for trails or unpaved roads, consider a vehicle like the Jeep Grand Cherokee or Ford Explorer.

9. **Noise and Vibration at Higher Speeds**

Some owners report increased wind noise and road noise at highway speeds, though this is common in larger SUVs. The turbocharged engine may also produce more exhaust noise than a naturally aspirated one.

10. **Potential for Electrical Gremlins**

Like many modern vehicles, the Enclave can experience electrical issues, such as malfunctioning sensors, infotainment glitches, or window regulator failures. These are often minor but can be annoying if they occur frequently.

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### **Conclusion**

The 2018 Buick Enclave with a 2.1L turbocharged engine and a rear seat is a solid choice for buyers who prioritize space, comfort, and reliability over cutting-edge technology or off-road capability. It is well-suited for families, those needing extra seating, or individuals who value a smooth ride and upscale interior. However, potential buyers must be aware of the turbocharged engine s maintenance requirements, the limitations of the infotainment system, and the practicality of the third row.

The Enclave is not the most fuel-efficient or technologically advanced SUV on the market, but it strikes a balance between comfort, space, and affordability. If you find a well-maintained example with a full service history, it can be a dependable and enjoyable vehicle for several years.

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### **Recommendation**

- You need a spacious three-row SUV for family or passenger transport.

- You prioritize comfort, ride quality, and a quiet cabin over sporty handling.

- You are willing to perform or verify regular maintenance (oil changes, turbo inspections, transmission fluid checks).

- You find a vehicle with a clean service history and no obvious turbocharger or transmission issues.

- You prefer Buick s upscale interior and brand reputation over the latest tech features.

- You require exceptional fuel efficiency or plan to drive primarily in stop-and-go traffic (where turbocharged engines can be less efficient

Details:

RL Carriers, SAIA. Part ships in an 18-wheeler via LTL Confirm shipping details post-purchase. Get parts from a 2018 ENCLAVE with 141000 miles, backed by 90-Day Guarantee.

Trust in excellence and reliability for your automotive needs. ENCLAVE 2018 Seat Rear 745964This part is from a with 141000 miles on it. Plus, enjoy complete peace of mind with our 90 Day Money Back Guarantee included at no extra cost.

part #: 215.gm4a18 prices

• $175.00-$450.00

specifications seainterio:

• for models: Enclave
• for makes: Buick
• for years: 2018
• part type: Seat
• conditions options: 2nd Row Passenger Side 4dr Suv Hke
• genuine oem: Yes
• ipn: 215.gm4a18
• manufacturer warranty: 90 Day

offer seainterio:

• quantity: 1
• sold: 0
• started: March 10, 2026
• availability: In Stock
• options: Ship-to-home

payments seainterio:

• other
• wallet: Paypal
• credit card: Visa

seller seainterio:

• city: Bluffton, Ohio
• # reviews: 2560
• rating: 98.5%

general seainterio:

• Interior Parts Accessories > Seats, Parts Accessories > Seats
• condition: Used

shipping seainterio:

• service: Flat Rate Freight
• class: Freight
• cost: $0.00
• type: Fixed

returns seainterio:

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

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