Introduction: Evolution of the Performance SUV
The Ford Explorer ST made its debut in 2020 as the most powerful version of Ford’s legendary three-row SUV. With its 3.0L twin-turbocharged EcoBoost V6, intelligent AWD system, and performance-tuned suspension, the Explorer ST delivered an exhilarating driving experience while maintaining the versatility and practicality that the Explorer lineup had always been known for.
As Ford sought to refine and enhance the Explorer ST, the 2021 model year introduced new options, technology updates, and performance packages that made it an even more appealing choice for enthusiasts looking for a balance between power and family-friendly functionality.
2021 Ford Explorer ST: Key Upgrades and Enhancements
The 2021 Ford Explorer ST retained much of what made the previous model a success but introduced some significant refinements to handling, braking, and technology. Here are some of the major upgrades:
1. New Performance Packages 🔥
To enhance driving dynamics and styling, Ford introduced two new optional packages:
- ST Street Pack: This package added larger vented brakes and 21-inch aluminum wheels with high-performance all-season tires.
- ST High-Performance Pack: Included everything in the Street Pack but with upgraded Brembo brakes featuring larger rotors and red-painted calipers for improved stopping power.
These packages provided better braking performance and a sportier aesthetic, catering to enthusiasts who wanted sharper handling and a more aggressive stance.
2. Software and Infotainment Updates 📱
- Updated SYNC 3 infotainment system with a faster processor and improved voice recognition.
- Enhanced Apple CarPlay and Android Auto integration.
- Larger 10.1-inch portrait-style touchscreen remained an option for higher trims.
- Wireless charging pad and additional USB-C ports for improved connectivity.
3. Advanced Driver Assistance Features 🛡️
The Ford Co-Pilot360+ safety suite was further refined for smoother adaptive cruise control, improved lane-keeping assist, and enhanced collision avoidance.
These refinements made the 2021 Explorer ST a more tech-forward and user-friendly performance SUV.
Powertrain and Performance: Still a Beast on the Road 🚀
Under the hood, the 2021 Ford Explorer ST continued to feature the same high-output 3.0L EcoBoost V6 as the previous model, paired with a 10-speed automatic transmission and standard Intelligent AWD.
Performance Specs:
- Engine: 3.0L Twin-Turbocharged EcoBoost V6
- Horsepower: 400 HP @ 5,500 RPM
- Torque: 415 lb-ft @ 3,500 RPM
- Transmission: 10-Speed Automatic
- Drivetrain: AWD (rear-wheel-drive not yet available)
- 0-60 MPH: ~5.5 seconds
- Quarter-Mile: ~13.9 seconds
- Top Speed: 143 MPH (electronically limited)
These numbers made the 2021 Explorer ST one of the fastest three-row SUVs available at the time, offering impressive acceleration and high-speed stability.
Refined Handling and Driving Modes
Ford tuned the suspension and AWD system to improve handling dynamics and cornering grip. The 2021 ST felt more composed and stable at high speeds, with the optional High-Performance Pack further improving braking confidence.
The Drive Mode Selector offered five modes:
- Normal – Balanced everyday driving.
- Sport – Sharper throttle response, tighter suspension, and aggressive shift mapping.
- Eco – Optimized for fuel efficiency.
- Tow/Haul – Adjusts power delivery for towing heavy loads.
- Slippery – Improves traction on wet or icy roads.
Exterior Design: A Sportier Look
While the overall design of the 2021 Explorer ST remained largely the same as the previous model, Ford introduced subtle refinements to enhance its aggressive presence.
Exterior Highlights:
✔ Blacked-Out ST Grille – A signature feature that gives the ST a more aggressive stance.
✔ Quad Exhaust Tips – Enhancing both performance and aesthetics.
✔ New 21-Inch Wheel Designs – Available with the Street Pack and High-Performance Pack.
✔ Red Brembo Brake Calipers – Exclusive to the High-Performance Pack, adding a race-inspired look.
✔ Full LED Lighting System – Standard LED headlights, taillights, and daytime running lights for a modern touch.
These updates made the 2021 Explorer ST even more visually striking, ensuring it stood out on the road.
Interior and Comfort: Performance Meets Practicality
Inside, the 2021 Explorer ST offered a driver-focused cabin with premium materials, sporty accents, and cutting-edge technology.
Interior Features:
✔ ST-Specific Sport Seats – Leather-trimmed with Miko suede inserts and ST badging.
✔ 12.3-Inch Digital Gauge Cluster – Provides real-time performance data, drive mode indicators, and navigation integration.
✔ 10.1-Inch Infotainment Screen (Optional) – The large vertical touchscreen remains one of the Explorer ST’s signature tech features.
✔ B&O Premium Sound System – 14-speaker Bang & Olufsen audio system for an immersive listening experience.
✔ Three-Row Seating – Spacious enough to accommodate up to seven passengers.
✔ Heated and Ventilated Front Seats – Enhancing year-round comfort.
The 2021 Explorer ST continued to offer a perfect blend of luxury, technology, and sporty aesthetics, making it a comfortable yet performance-oriented SUV.
Real-World Performance and Enthusiast Modifications
Since its release, the Explorer ST has been a favorite among performance SUV enthusiasts, thanks to its strong aftermarket support.
Popular Performance Upgrades:
🔹 ECU Tunes (ZFG, Goosetuned, Shoemaker, Livernois, 5 Star, Palm Beach Dyno) – Gains of 60-100 HP with a tune alone.
🔹 High-Flow Downpipes & Exhaust – Improves turbo efficiency and deepens the exhaust note.
🔹 Larger Intercoolers – Reduces heat soak for more consistent power.
🔹 Upgraded Turbos (CR Performance, Garrett) – Capable of pushing the ST to 600+ HP.
These modifications allow owners to take an already powerful SUV and unlock even greater performance.
Common Issues & Reliability
While the 2021 Explorer ST remains a reliable performance SUV, a few common concerns have been reported:
❌ Transmission Tuning Issues – Some early models had harsh shifting, but software updates resolved this.
❌ Turbo Wastegate Rattle – Some owners reported minor rattling under acceleration, often fixed with adjustments.
❌ Stock Intercooler Heat Soak – The factory intercooler struggles under repeated hard acceleration, making an upgraded intercooler a popular modification.
Despite these minor issues, the Explorer ST has proven to be a durable and exciting SUV with proper maintenance.
Conclusion: Why the 2021 Explorer ST Still Holds Up
The 2021 Ford Explorer ST took the formula of the 2020 model and refined it with better braking, improved infotainment, and new performance packages. It remained one of the quickest and most engaging three-row SUVs available, appealing to drivers who wanted both power and practicality.
Final Thoughts:
✅ Twin-Turbo Power & AWD Grip
✅ Performance-Oriented Suspension & Braking
✅ Advanced Tech & Driver Assistance Features
✅ Sporty Styling & Comfortable Interior
✅ Strong Aftermarket Tuning Potential
For those seeking a thrilling daily driver, a family hauler with a punch, or a mod-friendly performance SUV, the 2021 Explorer ST remains a top choice.
What Do You Think? If you own a 2021 Explorer ST, share your experiences in the ExplorerST.Club forums! Let’s keep pushing these SUVs to their full potential. 🚀🔥
