
( Brand: Audi ), ( Manufacturer Part Number: 4G0035664D ), ( Type: Radio )
The **Audi 4G0035664D (2013 2018) MMI Radio Stereo Head Unit** for the S7, A7, and RS7 models in the C7 generation represents Audi s cutting-edge infotainment innovation, seamlessly blending premium audio performance with intuitive multimedia functionality. Engineered to elevate the driving experience, this **4G0035664D** unit features a **7-inch capacitive touchscreen display** paired with a **high-resolution, anti-glare surface**, ensuring crisp visuals even under direct sunlight. At its core, it integrates Audi s **MMI (Multi Media Interface) 3G system**, a sophisticated operating environment that combines voice control, gesture recognition, and a user-friendly interface to simplify navigation, media playback, and vehicle settings. The head unit supports **DAB digital radio**, **USB connectivity**, and **Bluetooth audio streaming**, allowing passengers to enjoy high-fidelity sound from compatible devices while maintaining hands-free convenience. For audiophiles, it delivers **Audi s premium sound system integration**, optimizing audio output through the vehicle s factory speakers or optional premium sound upgrades, ensuring immersive soundscapes for music, podcasts, and navigation cues. The **MMI 3G interface** also includes **Audi connect services**, enabling real-time traffic updates, fuel-efficient route planning, and remote vehicle access via smartphone integration, enhancing both safety and convenience. Built with Audi s signature attention to detail, this head unit features **high-quality materials**, including a **soft-touch bezel and durable construction**, ensuring longevity and a premium feel. Whether navigating complex highways, enjoying a curated playlist, or managing advanced vehicle settings, the **4G0035664D** head unit exemplifies Audi s commitment to blending technology, luxury, and performance, making it an essential component for enthusiasts seeking a refined and connected driving experience.
### **Pros and Cons of Buying a 2013 Audi S7 (4G0035664D) with MMI 13-18 Radio/Stereo Head Unit**
#### **Pros**
1. **Performance and Engineering**
- The 2013 S7 is a high-performance variant of the A7, featuring a **4.0L V8 biturbo engine** (333 hp in standard trim, 414 hp in RS7) paired with a **7-speed S tronic dual-clutch transmission**, delivering strong acceleration and a refined driving experience.
- The **RS7** (if available) offers even greater power (414 hp) and a more aggressive stance, making it one of the fastest Audi sedans of its era.
- The **quattro all-wheel-drive system** ensures excellent traction in various conditions, enhancing both performance and safety.
2. **Luxury and Interior Quality**
- The **premium interior** features high-quality materials, including **aluminum trim, leather upholstery, and ambient lighting**, creating a sophisticated cabin.
- The **MMI (Multi Media Interface) 13-18 system** (depending on the model year) is a significant upgrade over older Audi infotainment setups, offering a **larger touchscreen, improved navigation, and better connectivity** (Bluetooth, USB, auxiliary input).
- **Comfortable seating** with adjustable lumbar support and heated/ventilated options (depending on trim) ensures long-distance travel is pleasant.
3. **Safety Features**
- Standard **Audi Pre Sense** (collision avoidance), **adaptive cruise control**, and **lane-keeping assist** provide advanced driver aids.
- **Stability control and multiple airbag systems** enhance safety in case of an accident.
4. **Resale Value and Brand Prestige**
- Audi retains strong resale value, and the S7 (especially the RS7) remains a desirable model among enthusiasts.
- The **Audi brand** is synonymous with luxury, performance, and German engineering, which can be appealing to buyers who value prestige.
5. **Customization and Upgrade Potential**
- The **open platform** of the A7/S7 allows for aftermarket modifications, such as **tuning, exhaust upgrades, or suspension enhancements**.
- The **RS7** (if available) may have **unique badging, sportier suspension, and performance-oriented features** that appeal to tuning enthusiasts.
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#### **Cons**
1. **High Cost of Ownership**
- **Fuel consumption** is relatively high for a luxury sedan, with the V8 engine averaging **12-15 MPG combined** (worse than many modern hybrids or turbocharged 4-cylinders).
- **Maintenance and repairs** can be expensive, especially for high-performance components like the turbocharged V8, transmission, or suspension.
- **Tires, brakes, and fluids** (e.g., synthetic oil changes) add to ongoing costs.
2. **Infotainment and Tech Limitations**
- While the **MMI 13-18 system** is an improvement over older models, it still lags behind modern **Apple CarPlay/Android Auto** integration.
- **Software updates** are rare for older Audis, meaning some features may not receive improvements or security patches.
- **Navigation accuracy** can be inconsistent, and the **touchscreen interface** is not as intuitive as newer systems.
3. **Reliability Concerns**
- The **4.0L V8 biturbo engine** is known for potential **oil consumption issues, turbocharger failures, and carbon buildup** if not properly maintained.
- Some owners report **transmission issues** (especially in the S tronic dual-clutch) requiring costly servicing.
- **Electrical gremlins** (e.g., sensor failures, MMI glitches) are not uncommon in older Audis.
4. **Depreciation and Market Availability**
- While the S7 holds value better than many luxury cars, it still depreciates over time.
- **Finding replacement parts** (especially for high-performance models) can be difficult and expensive.
- **RS7 models** (if available) may have **limited availability** and higher demand, driving up prices.
5. **Driving Dynamics and Practicality**
- The **S7 is a heavy car** (around **3,800-4,000 lbs**), which can make it less nimble than smaller sports sedans.
- **Rear visibility** is limited due to the large size, and **trunk space** is adequate but not exceptional compared to modern luxury sedans.
- The **V8 sound** is impressive but may not appeal to those who prefer quieter, more refined engines.
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### **Conclusion**
The **2013 Audi S7 (4G0035664D) with MMI 13-18** is a **strong choice for buyers seeking a high-performance, luxury sedan** with a **refined V8 engine and premium interior**. Its **strong acceleration, quattro AWD, and advanced safety features** make it a compelling option for enthusiasts who prioritize driving dynamics and prestige.
However, **high maintenance costs, fuel inefficiency, and potential reliability issues** (especially with the turbocharged V8 and transmission) should be carefully considered. The **outdated infotainment system** and **lack of modern connectivity** may also be drawbacks for tech-savvy buyers.
If you **prioritize performance, luxury, and are prepared for higher ownership costs**, this Audi is a great purchase. If you **value fuel efficiency, modern tech, and lower maintenance**, a **newer model or a different brand** (e.g., BMW M5, Genesis G70, or a hybrid luxury sedan) might be a better fit.
### **Recommendation**
- **Buy if:** You want a **high-performance luxury sedan**, are willing to invest in maintenance, and don t mind the **V8 s thirst and potential reliability quirks**.
- **Consider alternatives if:** You prefer **better fuel economy, modern infotainment, or a more practical luxury sedan**.
- **Best for:** Enthusiasts who appreciate **German engineering, all-wheel drive, and a sporty yet comfortable ride** but are financially prepared for long-term costs.
Would you like recommendations on **specific maintenance tips or modifications** for this model?
You also have the option of picking up item in person and paying cash. Item must be in the same condition as it was when received. This may require programming to work in your car.