AUDI 6HP28A Zf Automatic Transmission Kzq RS6 V10 65K

( Manufacturer Part Number: 6HP28A ), ( Type: Automatic Transmission ), ( Oe/oem Part Number: Kzq ), ( Universal Fitment: No ), ( Country Of Origin: Germany )

Review AUDI Rs6 V10 Zf Automatic Transmission Kzq 65k fits C6 2008–2010

The **Audi 6HP28A (2008 2010) transmission**, found in the legendary **RS6 (C6) with its 5.2L V10 engine**, represents the pinnacle of Audi s high-performance automatic gearbox technology during its era. This **ZF-sourced, 6-speed automatic transmission**, designated **KZQ**, was meticulously engineered to complement the RS6 s raw, torque-laden V10 powerplant, delivering seamless shifts, exceptional durability, and a driving experience that balances brute force with refined precision. The **6HP28A** is a direct evolution of Audi s earlier **6HP26** transmission, incorporating advanced hydraulic and electronic controls to optimize shift quality, torque conversion, and efficiency critical factors when handling the RS6 s **500 horsepower** and **400 lb-ft of torque** with near-instantaneous response. Its **ZF-built construction** ensures robust build quality, featuring a **wet sump lubrication system** with a reinforced torque converter and a **multi-plate clutch pack** that handles the V10 s surging power with minimal slippage. The transmission s **electronic valve body (EVB)** and **shift solenoids** work in tandem with the RS6 s **MMI infotainment system** and **drivetrain control module (DCM)** to execute shifts with near-mechanical precision, whether in **Sport, Individual, or Comfort modes**, or under the aggressive demands of **Track mode**. The **KZQ s compact yet robust housing** integrates smoothly with the RS6 s **multi-link rear suspension** and **quattro all-wheel-drive system**, ensuring minimal vibration transfer and optimal weight distribution for handling. While not as advanced as later **8HP/9HP transmissions**, the **6HP28A** excels in its niche providing a **direct, engaging, and reliable** automatic experience for a car that demands both power and nuance. Whether in daily driving or spirited cornering, this transmission is a testament to Audi s engineering prowess in the pre-TDI, pre-electric era, offering a blend of **durability, responsiveness, and character** that remains highly sought after by enthusiasts and restorers alike.

### **Pros and Cons of Buying an Audi RS6 (C6, 2008 2010, 5.2L V10, ZF 8HP28 Automatic, KZQ Code)**

#### **Pros**

1. **Exceptional Performance**

The RS6 (C6) is one of the most powerful and capable Audi models of its era, thanks to its **5.2L naturally aspirated V10 engine**, producing **525 550 HP** (depending on the market) and **480 lb-ft of torque**. It accelerates from **0 60 mph in around 4.3 seconds** (in its best form) and has a top speed of **180 mph** (electronically limited). The V10 s deep, throaty growl and linear power delivery make it one of the most engaging Audi engines ever produced.

2. **ZF 8HP28 8-Speed Automatic Transmission**

The **ZF 8HP28** is one of the most advanced transmissions of its time, offering **smooth, precise shifts** with minimal lag. It was a significant upgrade over the older 6-speed automatics in Audi s lineup, providing better fuel efficiency and a more refined driving experience. The **KZQ code** (a variant of the 8HP28) is known for being slightly more robust than some other iterations.

3. **Quattro All-Wheel Drive System**

The RS6 comes standard with **Audi s Quattro system**, which distributes power dynamically between all four wheels. This enhances traction, stability, and handling, making it one of the most capable grand tourers of its time. It performs exceptionally well in both dry and wet conditions.

4. **Luxury and Comfort**

The C6 RS6 is a **luxury grand tourer** with high-quality materials, a spacious cabin, and advanced comfort features. The **adaptive suspension, heated/cooled seats, and premium audio system** (often a **Bose or Bang & Olufsen setup**) make long drives enjoyable. The **large, comfortable seats** and **quiet cabin** contribute to its appeal as both a performance and a daily driver.

5. **Reliability (Compared to Competitors)**

While no car is perfect, the **5.2L V10 in the RS6 is known for being more reliable than its predecessors (e.g., the 4.2L V8 in the RS4)**. The **ZF 8HP28 is also a well-proven transmission**, though some early models had minor teething issues that were largely resolved by 2009 2010. With proper maintenance, many RS6s reach **200,000 miles** without major issues.

6. **Resale Value and Collectibility**

The **RS6 (C6) is a highly sought-after model**, especially in later years (2009 2010). Its **V10 engine, ZF transmission, and Quattro system** make it a favorite among Audi enthusiasts. While not as valuable as a **pre-2008 RS6 (C5)**, it still holds its price well compared to average Audi models.

7. **Driving Dynamics and Handling**

The RS6 is **sharp and responsive**, with **precise steering, excellent braking (via the optional **PCCB or **PCCB ** brakes), and a well-tuned suspension**. The **adaptive damping system** allows for a balance between comfort and sportiness. While not as nimble as a **S5 or TT RS**, it excels as a **high-performance GT car**.

8. **Aftermarket Support**

The **5.2L V10 has a strong aftermarket**, with **tuning options (e.g., **BMS, **Megatune, **Apexi**), **exhaust upgrades, and **suspension modifications** available**. This allows owners to further enhance performance if desired.

9. **Low-Cost Maintenance (Compared to Modern Supercars)**

While not cheap, **basic maintenance (oil changes, brake pads, filters) is significantly cheaper** than owning a **modern hypercar or even a newer Audi S6**. The **V10 is simpler than a turbocharged engine**, and **ZF transmissions are known for durability**.

10. **Audi s Warranty and Service Network**

Audi s **pre-purchase inspection (PPI) and warranty coverage** (if still under factory warranty) can provide peace of mind. Many dealerships and independent Audi specialists are familiar with the **C6 RS6**, making repairs easier to source.

---

#### **Cons**

1. **High Cost of Ownership**

- **Fuel consumption**: The **V10 guzzles fuel**, averaging **14 16 MPG combined** (real-world use may be lower). With **$3 $4/gallon gas**, running costs add up quickly.

- **Maintenance**: While not as expensive as a **Bugatti or Lamborghini**, **oil changes, spark plugs, and timing belt replacements** (every **100,000 miles**) cost more than average cars.

- **Tires and brakes**: The **high-performance tires (e.g., **Michelin Pilot Sport PS4S**) and **carbon-ceramic brakes (if equipped)** are expensive to replace.

2. **V10 Engine Reliability Concerns (With Age)**

- **Timing chain stretch** (can lead to **valve float at high RPM**, causing **loss of power and rough idle**).

- **Oil leaks** (valve cover gasket, oil pan gasket, or **camshaft seals**).

- **Carbon buildup** (common in naturally aspirated engines, leading to **reduced performance**).

- **Rod bearing wear** (rare but possible in high-mileage examples).

- **Pre-2009 models** may have **softer engine mounts** and **less refined power delivery** compared to later years.

3. **ZF 8HP28 Transmission Issues (Early Models)**

- Some **2008 early 2009 RS6s** had **minor transmission shift quality issues**, particularly in **cold starts or under heavy load**.

- **Solenoid failures** and **fluid degradation** can occur if maintenance is neglected.

- **Later models (2009 2010)** saw improvements, but **transmission rebuilds can be costly** ($3,000 $5,000).

4. **Weight and Fuel Efficiency Trade-Off**

- The **RS6 is heavy ( 4,800 5,000 lbs)**, which affects **acceleration and handling** compared to lighter rivals (e.g., **BMW M5, Mercedes AMG E55**).

- The **V10 s thirst** makes it impractical for **daily commuting** unless you have a **high budget for fuel**.

5. **Depreciation and Insurance Costs**

- While the **RS6 holds value better than most Audis**, it is still a **luxury performance car**, meaning **insurance premiums will be high** (especially for younger drivers).

- **Theft risk** is higher than average due to its **desirability** (though modern security features help).

6. **Rust and Bodywork Issues**

- Some **early C6 RS6s (2008 2009)** had **rust concerns**, particularly in **wheel arches, sills, and underbody panels**.

- **Paint quality** on some models was inconsistent, leading to **peeling or chipping** in certain areas.

7. **Limited Modern Tech Compared to Rivals**

- The **C6 RS6 lacks modern driver aids** like **adaptive cruise control, lane-keeping assist, or advanced driver-assistance systems (ADAS)** found in newer models.

- **Infotainment system** is **basic by today s standards** (no **Apple CarPlay/Android Auto, large touchscreen, or wireless connectivity**).

8. **High Purchase Price (Even Used)**

- A **well-maintained 2008 2010 RS6** will cost **$50,000 $80,000 **, depending on **mileage, condition, and modifications**.

- **Restomods** (e.g., **carbon fiber hood, exhaust, suspension upgrades**) can push prices even higher.

9. **Limited Availability of Parts**

- While **not as rare as some niche cars**, **specific parts (e.g., **ZF transmission components, **V10 engine internals) can be harder to source** than on more common vehicles.

- **Audi s parts pricing** can be **high compared to aftermarket alternatives**.

10. **Not as Fun to Drive as a Pure Sports Car**

- While **excellent as a GT car**, the **RS6 is not as nimble or engaging as a **Porsche 911 Turbo, **BMW M5, or **Audi S5**.

- The **heavy weight and long wheelbase** make it **less responsive in tight corners** compared to its rivals.

---

### **Final Conclusion & Recommendation**

#### **Who Should Buy an Audi RS6 (C

Details:

Item must be in the same condition as it was when received. You also have the option of picking up item in person and paying cash.

part #: 6hp28a prices

• $42.29-$233.49

specifications autotransmissionsgo:

• for models: C6
• for makes: Audi
• for years: 2008-2010
• mpn: 6hp28a
• type: Automatic Transmission
• oe/oem part number: Kzq
• universal fitment: No
• country of origin: Germany

offer autotransmissionsgo:

• options: Ship-to-home
• started: June 7, 2026
• quantity: 1
• sold: 0
• availability: In Stock

general autotransmissionsgo:

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

returns autotransmissionsgo:

• policy: No Returns

seller autotransmissionsgo:

• # reviews: 4763
• city: Ferndale, Washington
• rating: 98.7%

shipping autotransmissionsgo:

• cost: $500.00
• type: Fixed
• class: Economy
• service: Economy
• transit: 15-22 Days

payments autotransmissionsgo:

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

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