AUDI 0BK300038C001 Diesel Automatic Transmission Npq 400-62630 A8L 3.0L

( Manufacturer Part Number: 0BK300038C001 ), ( Type: Transmission ), ( Manufacturer Warranty: 30 Day ), ( Country Of Origin: Germany ), ( Performance Part: No ), ( Ipn: 400-62630 ), ( Body Type: Sedan ), ( Donor Vehicle: 2014 Audi A8 )

Review AUDI A8l 3.0l Diesel Automatic Transmission Speed Npq fits A8 D4 2014

The **2014 Audi A8 (L) D4 3.0L TDI (0BK300038C001) with NPQ automatic transmission** represents the pinnacle of luxury, engineering precision, and refined diesel performance within Audi s flagship sedan lineup. Engineered for those who demand both sophistication and capability, this model combines Audi s signature Quattro all-wheel-drive system with a **3.0-liter V6 turbocharged diesel engine**, producing a robust **245 horsepower and 420 lb-ft of torque**, ensuring a seamless blend of torque-rich acceleration and quiet, efficient cruising. The **NPQ (Nard Performance Quattro) transmission**, a high-performance variant of Audi s proven S tronic automatic, delivers lightning-fast gear shifts and near-instantaneous power delivery, making it ideal for spirited driving while maintaining the smoothness expected of a luxury sedan. Under the hood, the **3.0L TDI** is paired with a **7-speed NPQ automatic**, which not only enhances responsiveness but also optimizes fuel efficiency, achieving an impressive **20-25 MPG combined** depending on driving conditions a rare balance of power and economy in a vehicle of this caliber.

Externally, the **A8 L (Long Wheelbase)** stretches to **52.8 inches in length**, offering an expansive, airy cabin with **3,300 cubic feet of interior space**, including a **60/40 split-folding rear seat** that can be reconfigured for cargo or passenger flexibility. The **handcrafted interior** features premium materials such as **Nappa leather, aluminum trim, and ambient lighting**, while the **Virtual Cockpit** provides a futuristic, customizable digital dashboard that adapts to the driver s preferences. The **MMI (Multi Media Interface) navigation system** integrates seamlessly with a **12.3-inch touchscreen**, offering advanced connectivity, Bluetooth, and optional **Audi connect services**, including real-time traffic updates and remote vehicle control via smartphone. For those who prioritize comfort, the **adaptive air suspension** with **Audi Drive Select modes** (Comfort, Dynamic, Individual, and Off-Road) ensures a near-perfect ride quality, whether gliding over smooth highways or navigating uneven city streets.

Safety is a cornerstone of the A8 s design, equipped with **Audi Pre Sense** (front and rear collision avoidance), **adaptive cruise control**, **lane-keeping assist**, and a **360-degree camera system** for enhanced parking and maneuverability. The **Quattro all-wheel-drive system** further enhances stability, particularly in adverse weather, while the **reinforced chassis and advanced crash structures** meet the highest Euro NCAP safety standards. Inside, the **premium sound system** (available in **Bose or Burmester configurations**) delivers immersive audio, and the **heated, ventilated, and massaging front seats** (with optional **seat heating for rear passengers**) ensure unparalleled comfort for long journeys. Whether navigating urban traffic, cruising through scenic routes, or embarking on a cross-country road trip, this **2014 Audi A8 L D4** embodies the perfect marriage of **German engineering, diesel efficiency, and opulent luxury**, making it a timeless choice for discerning drivers who refuse to compromise on performance or refinement.

### **Pros and Cons of Buying a 2014 Audi A8 (A8L) D4 3.0L Diesel (NPQ) with Automatic Transmission (VIN: 0BK300038C001)**

#### **Pros**

1. **Premium Brand and Reputation**

Audi is a well-regarded luxury brand known for its refined engineering, high-quality materials, and strong resale value. The A8, in particular, is positioned as a flagship model with a focus on comfort, performance, and sophistication.

2. **Strong Engine and Performance**

The **3.0L V6 TDI diesel (D4)** is a robust powerplant, producing around **245 258 hp and 420 429 lb-ft of torque**, which provides smooth acceleration and strong towing capacity (up to **5,500 lbs** with the correct setup). Diesel engines in this era are known for their durability and efficiency, especially for long-distance driving.

3. **Automatic Transmission (NPQ)**

The **8-speed automatic (NPQ)** is a well-regarded transmission for Audi s diesel models, offering smooth shifting and good reliability when properly maintained. It pairs well with the diesel engine for efficient power delivery.

4. **Luxury and Comfort Features**

- **Leather-trimmed interior** (often with premium stitching and materials)

- **Heated/ventilated seats** (common in higher trims)

- **Advanced climate control** (dual-zone or tri-zone)

- **Quiet cabin** (sound insulation is excellent for a luxury sedan)

- **Adaptive suspension** (optional, but common in higher trims)

- **Premium audio systems** (often Burmester or Bang & Olufsen)

- **Advanced driver aids** (adaptive cruise control, lane-keeping assist, etc.)

5. **Spacious and Refined Cabin**

The A8 offers **luxurious seating for five**, with ample legroom and a premium feel. The **panoramic sunroof** (if equipped) enhances the sense of space.

6. **Good Fuel Efficiency for a Diesel**

The **3.0L TDI diesel** typically achieves **20 25 MPG combined**, which is efficient for a luxury sedan, especially on highways. Diesel fuel also provides better range for long trips.

7. **Strong Resale Value**

Audi retains its value well, and the A8, being a flagship model, holds up better than many competitors in the luxury sedan segment.

8. **Optional All-Wheel Drive (Quattro)**

If the vehicle comes with **Quattro AWD**, it provides excellent traction in various conditions, enhancing safety and capability.

9. **Modern Technology (for its time)**

The **2014 model year** featured Audi s **MMI (Multi Media Interface)** infotainment system, which, while not as advanced as later models, was still sophisticated for its era with **USB, Bluetooth, and navigation**.

10. **Potential for Modifications (if desired)**

Audi s diesel engines (especially the 3.0L TDI) have a strong aftermarket support, allowing for upgrades like **exhaust tuning, DPF deletion (if legal in your region), or suspension modifications** for a more sporty feel.

---

#### **Cons**

1. **Higher Maintenance Costs**

Audi is a luxury brand, and **parts and labor are expensive**. Regular maintenance (oil changes, timing belt, suspension, etc.) will cost significantly more than a mainstream brand.

2. **Diesel-Specific Maintenance Concerns**

- **DPF (Diesel Particulate Filter) Issues**: Modern diesels are prone to **DPF clogging**, which can lead to **reduced performance or require costly cleaning/replacement** (typically every **60,000 100,000 miles**).

- **EGR (Exhaust Gas Recirculation) Problems**: The EGR system can fail or get clogged, leading to **poor engine performance or soot buildup**.

- **AdBlue Requirement**: Some later models (including this generation) may require **AdBlue (urea injection)** for emissions compliance, adding an extra maintenance cost.

- **Turbocharger Wear**: The **turbocharged diesel** can develop **oil leaks or turbo failure** over time, which are expensive repairs.

3. **Transmission (NPQ) Reliability Concerns**

- **Slipping gears**

- **Delayed engagement**

- **Electrical gremlins** (shift solenoids, sensors)

- **Fluid degradation** (requires **synthetic transmission fluid changes every 60,000 100,000 miles**)

A **transmission fluid flush and inspection** are **highly recommended** before purchase.

4. **Electrical System Vulnerabilities**

Audi s **complex electrical systems** (infotainment, sensors, lighting) are prone to **software glitches, sensor failures, or wiring issues**. Common problems include:

- **MMI (infotainment) freezing or crashing**

- **Sensor failures** (parking sensors, rain sensors, etc.)

- **Battery drain issues** (parasitic drain from aftermarket accessories)

5. **Rust and Corrosion Risks**

The **2014 A8** (especially in some markets) has had reports of **underbody rust** and **wheel well corrosion**, particularly in **salt-prone regions**. A **thorough undercarriage inspection** is essential.

6. **Recalls and Software Updates**

The **2014 model year** may have **unaddressed recalls or pending software updates**. Checking **NHTSA (National Highway Traffic Safety Administration) records** is crucial to ensure no unresolved safety issues.

7. **Depreciation and Age**

- **Wear and tear** (brakes, suspension, seals) will be more noticeable.

- **Parts availability** may become harder as older models phase out.

- **Resale value has already dropped significantly** compared to newer luxury sedans.

8. **Diesel Emissions Regulations (Future-Proofing)**

- Some regions (especially in the **EU and California**) have **stricter emissions laws** that may affect older diesels.

- **DPF and EGR failures** could lead to **emissions-related failures** if not maintained properly.

- **AdBlue dependency** may become more common in later model years, adding complexity.

9. **Potential for Hidden Damage**

- **Accident history** (even minor) can lead to **structural or electrical issues**.

- **Water damage** (flooded areas) can cause **electrical shorts or mold**.

A **pre-purchase inspection (PPI) by a trusted mechanic** is **strongly recommended**.

10. **Competitor Alternatives May Be More Reliable**

- **BMW 5 Series (N55/N57 diesel)** Often considered more reliable than Audi s diesel engines.

- **Mercedes-Benz E-Class (OM654 diesel)** Known for better long-term durability.

- **Lexus LS 500h (hybrid)** If fuel efficiency is a concern, a hybrid may be a safer long-term bet.

---

### **Key Considerations Before Purchase**

1. **Service and Maintenance History**

- **Full service records** (oil changes, timing belt, transmission fluid, DPF cleaning, etc.).

- **No history of DPF or EGR failures**.

- **Transmission fluid has been changed** (not just topped off).

2. **Pre-Purchase Inspection (PPI)**

- **Engine (compression, turbo, injectors, EGR, DPF)**

- **Transmission (fluid condition, shifting smoothness, no slipping)**

- **Suspension (ball joints, bushings, shocks)**

- **Electrical system (MMI, sensors, battery health)**

- **Underbody for rust**

3. **Test Drive**

- Listen for **unusual noises** (knocking, whining from turbo, transmission grinding).

- Check for **smooth acceleration, no hesitation, no DPF regen events**.

- Test **all electronics (lights, windows, climate control)**.

4. **Check for Recalls**

- Visit ** NHTSA s VIN lookup (https://www.nhtsa.gov/recalls)** to ensure no unresolved recalls.

5. **Insurance Costs**

- A **luxury diesel sedan** will have **higher insurance premiums** than a mainstream vehicle.

6. **Fuel and Maintenance Costs**

- **Diesel fuel is often more expensive** than gasoline.

- **Maintenance budget** should account for **$1,500 $3,000/year** for upkeep.

---

### **Final Recommendation**

You **prioritize luxury, comfort, and long-distance efficiency** over absolute reliability.

You **have a budget for maintenance**

Details:

Simply drop us a message with your car model and we'll quickly confirm the fitment. Orders placed before 0800 ECT are dispatched on the same day.

specifications autotransmissionsgo:

• for models: A8, D4
• for makes: Audi
• mpn: 0bk300038c001
• type: Transmission
• manufacturer warranty: 30 Day
• country of origin: Germany
• performance part: No
• ipn: 400-62630
• body type: Sedan
• donor vehicle: 2014 Audi A8

general autotransmissionsgo:

• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
• condition: Used

seller autotransmissionsgo:

• city: Lumberton, New Jersey
• # reviews: 8786
• rating: 99.7%

shipping autotransmissionsgo:

• service: Flat Rate Freight
• type: Fixed
• class: Freight
• cost: $275.00

payments autotransmissionsgo:

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

offer autotransmissionsgo:

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

returns autotransmissionsgo:

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

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