Jeep SRT Specs 2015: Unveiling the Performance SUV Icon

Jeep SRT Specs 2015: Unveiling the Performance SUV Icon jeeps.truckstrend.com

In the automotive landscape, where utility often compromises exhilaration, a rare breed emerges that defies convention. The 2015 Jeep Grand Cherokee SRT stands as a powerful testament to this philosophy, seamlessly blending the rugged capability synonymous with the Jeep brand with the blistering performance DNA of Street and Racing Technology (SRT). More than just a souped-up SUV, the 2015 Grand Cherokee SRT was a meticulously engineered machine designed to dominate both the drag strip and the daily commute, offering an unparalleled driving experience for those who demanded power, luxury, and versatility in one cohesive package.

This comprehensive guide will delve deep into the core specifications of the 2015 Jeep Grand Cherokee SRT, exploring every facet from its formidable powertrain to its sophisticated interior. Whether you’re a prospective buyer, an ardent enthusiast, or simply curious about what made this vehicle a true icon, understanding its intricate details is key to appreciating its enduring appeal and significance in the performance SUV segment.

Jeep SRT Specs 2015: Unveiling the Performance SUV Icon

Heart of the Beast: The Powertrain

At the very core of the 2015 Jeep Grand Cherokee SRT’s commanding presence lies its legendary powertrain, a symphony of American muscle and advanced engineering. This is where the "SRT" moniker truly earns its stripes.

Engine: The star of the show is the naturally aspirated 6.4-liter (392 cubic inch) HEMI V8 engine. This powerhouse was specifically tuned for high performance, boasting a robust architecture designed for durability under extreme conditions.

• Horsepower: It unleashed a staggering 470 horsepower at 6,000 rpm. This immense power output provided relentless acceleration and effortless overtaking capabilities.
• Torque: Complementing the horsepower was a formidable 465 lb-ft of torque at 4,300 rpm. This massive torque figure ensured immediate throttle response and impressive pulling power, even at lower RPMs.
• Fuel Efficiency Technology: Despite its performance focus, the 6.4L HEMI V8 incorporated Fuel Saver Technology (cylinder deactivation), which could seamlessly shut down four cylinders under light load conditions to improve fuel economy. While not a fuel-sipper, this technology offered a slight reprieve at the pump.

Transmission: Mated to this potent V8 was the robust and refined TorqueFlite 8HP70 eight-speed automatic transmission. This transmission was specifically calibrated for the SRT, offering:

• Smooth and Rapid Shifts: Its wide gear ratio spread allowed for both aggressive, quick shifts under hard acceleration and smooth, imperceptible changes during relaxed cruising.
• Paddle Shifters: For those who preferred manual control, steering wheel-mounted paddle shifters provided an engaging driving experience, allowing the driver to select gears on demand.



• Launch Control: A standard feature, launch control optimized acceleration from a standstill, ensuring the most efficient and repeatable 0-60 mph times.

Performance Figures: The combination of the HEMI V8 and the 8-speed transmission resulted in truly supercar-like performance for an SUV:

• 0-60 mph: A blistering 4.8 seconds.



• Quarter Mile: Approximately 13.3 seconds.
• Top Speed: Electronically limited to 160 mph (257 km/h).

Dynamic Performance & Handling: Taming the Power

Delivering 470 horsepower in an SUV requires more than just a powerful engine; it demands a sophisticated chassis and an advanced suspension system to maintain composure and control. The 2015 Grand Cherokee SRT excelled in this area, transforming the traditionally upright SUV into a surprisingly agile performer.

Suspension System:

• Adaptive Damping Suspension: The SRT featured a high-performance adaptive damping suspension system, utilizing Bilstein Blistein adaptive dampers. This system continuously adjusted damping rates based on road conditions, driver input, and the selected drive mode, providing a remarkable balance between comfort and handling.
• Stiffer Springs and Bushings: Compared to standard Grand Cherokees, the SRT benefited from stiffer springs, larger anti-roll bars, and more rigid bushings, all contributing to reduced body roll and improved cornering stability.

Braking System: To effectively rein in its immense power, the SRT was equipped with a formidable braking system developed by Brembo.

• Brembo Brakes: Featuring six-piston calipers at the front and four-piston calipers at the rear, gripping large vented rotors (15.0 inches front, 13.8 inches rear). This setup provided exceptional stopping power, fade resistance, and a confident pedal feel.
• 60-0 mph: Capable of stopping from 60 mph in approximately 116 feet.

Selec-Track System: Jeep’s innovative Selec-Track system was crucial to the SRT’s versatility, allowing the driver to tailor the vehicle’s performance characteristics to specific driving conditions or preferences. It electronically coordinated the powertrain, transmission, paddle shifters, suspension, and stability control systems. The available modes included:

• Auto: Standard mode for everyday driving, balancing performance and comfort.
• Sport: Firmer suspension, quicker shifts, more aggressive throttle response, and a rear-biased torque split for dynamic driving.
• Track: The most aggressive setting, optimizing the vehicle for circuit driving with maximum stiffness, fastest shifts, and a significant rear-wheel bias.
• Snow: Enhanced traction for slippery conditions, softer throttle response, and a more even torque distribution.
• Tow: Adjusts transmission shift points and torque delivery for optimal towing performance.

Steering and Wheels/Tires:

• Hydraulic Power Steering: The 2015 model retained a hydraulic power steering system, which many enthusiasts prefer for its direct feel and feedback.
• 20-inch Forged Aluminum Wheels: Standard 20-inch forged aluminum wheels provided strength and reduced unsprung weight.
• High-Performance Tires: Fitted with wide, high-performance tires (often Pirelli Scorpion Verde all-season or P Zero summer performance tires) that offered immense grip.

Exterior Design & Aerodynamics: Form Meets Function

The 2015 Jeep Grand Cherokee SRT’s exterior design was a clear statement of its performance intent, blending aggressive styling with functional aerodynamic enhancements.

• Aggressive Stance: A lower ride height, wider track, and prominent wheel arches gave the SRT a planted, muscular appearance.
• Unique Front Fascia: A large, signature seven-slot grille was flanked by bi-xenon headlights with LED daytime running lights. The lower fascia featured a large, functional air intake for engine cooling and brake cooling ducts.
• Sculpted Hood: The hood was not just for show; it featured twin heat extractors to help dissipate engine heat, crucial during demanding driving.
• Rear Design: A redesigned rear fascia incorporated a distinctive quad-tip exhaust system, a functional rear diffuser, and a rear spoiler to improve aerodynamic stability at high speeds.
• Lighting: Premium LED tail lights and bi-xenon HID headlamps provided excellent visibility and a modern aesthetic.

Luxurious and Tech-Filled Interior: Performance with Comfort

While the SRT was built for speed, it didn’t compromise on the luxury and technology expected of a premium SUV. The interior was a blend of high-quality materials, advanced infotainment, and driver-focused ergonomics.

• Premium Materials: The cabin featured high-quality materials, including Nappa leather and suede upholstery, carbon fiber trim accents, and contrast stitching.
• Sport Seats: Performance-oriented, bolstered front seats provided excellent lateral support during spirited driving, while still offering comfort for long journeys. Heated and ventilated front seats were standard, with heated rear seats also available.
• Uconnect Infotainment System: The centerpiece of the dashboard was the 8.4-inch Uconnect touchscreen infotainment system. This system was renowned for its intuitive interface, quick response times, and comprehensive features, including:
  • Navigation
  • Bluetooth connectivity
  • Voice command
  • SiriusXM Satellite Radio
  • SRT Performance Pages: A unique feature allowing drivers to monitor real-time performance metrics such as G-forces, 0-60 times, braking distances, and engine parameters.
• Driver Information Display: A customizable 7-inch LCD instrument cluster provided key vehicle information directly in the driver’s line of sight.
• Cargo Space: Despite its performance focus, the Grand Cherokee SRT retained practical SUV attributes, offering generous cargo space with folding rear seats.

Safety Features: Confidence at Speed

Jeep ensured that the 2015 Grand Cherokee SRT was equipped with a comprehensive suite of safety features to protect its occupants, both passively and actively.

• Standard Airbags: A full complement of airbags, including multi-stage front airbags, side curtain airbags, and front seat-mounted side airbags.
• Electronic Stability Control (ESC) and Traction Control: These systems worked in conjunction with the Selec-Track system to maintain vehicle stability and grip under varying conditions.
• Blind Spot Monitoring (BSM) and Rear Cross-Path Detection: Available as part of technology packages, these systems enhanced situational awareness, particularly in congested traffic.
• Forward Collision Warning (FCW): An available system that alerted the driver to potential frontal impacts.
• ParkSense Front and Rear Park Assist: Ultrasonic sensors aided in parking maneuvers.
• Rearview Camera: Standard for improved visibility when reversing.

Ownership Considerations & Practical Advice

Owning a 2015 Jeep Grand Cherokee SRT is a unique experience that comes with its own set of considerations.

• Fuel Economy: As expected, with a 6.4L HEMI V8, fuel economy is not its strong suit. EPA estimates were around 13 MPG city / 19 MPG highway. Be prepared for frequent trips to the gas station.
• Maintenance: Performance vehicles typically require more specialized and often more expensive maintenance. This includes premium oil, specific brake fluid, and potentially higher costs for performance-oriented components like tires and brakes. Regular, diligent maintenance is crucial for longevity and performance.
• Insurance: Due to its high performance, value, and potential for higher repair costs, insurance premiums for the SRT can be significantly higher than for a standard Grand Cherokee.
• Driving Experience: The SRT offers a thrilling driving experience. While it can be a comfortable daily driver, its true joy is found on open roads or track days. The exhaust note is intoxicating, and the acceleration is addictive.
• Towing Capacity: Surprisingly, the 2015 SRT retains a respectable towing capacity of up to 7,200 pounds, making it a highly capable hauler for boats or trailers.
• Buying Used: When considering a used 2015 SRT, thoroughly inspect the vehicle’s maintenance history. Look for evidence of regular oil changes, brake service, and tire replacements. Pay attention to any unusual noises from the engine or transmission, and check for any error codes. A pre-purchase inspection by a qualified mechanic specializing in performance vehicles is highly recommended. Be aware that heavily modified or abused examples may lead to costly repairs down the line.

Concluding Summary

The 2015 Jeep Grand Cherokee SRT stands as a remarkable achievement in automotive engineering, a vehicle that boldly redefined what a performance SUV could be. It masterfully combined the rugged utility and family-friendly practicality of a Grand Cherokee with the heart-stopping power and sophisticated handling of a true sports car. From its thundering 6.4-liter HEMI V8 and lightning-fast 8-speed transmission to its adaptive suspension and Brembo brakes, every aspect of the 2015 SRT was engineered for exhilaration.

It’s a testament to Jeep’s willingness to push boundaries, creating a niche vehicle that offered unparalleled versatility – capable of towing a boat, ferrying a family, and then dominating a quarter-mile strip with equal aplomb. For those seeking a blend of raw power, luxurious comfort, and undeniable presence, the 2015 Jeep Grand Cherokee SRT remains a compelling and iconic choice, embodying the spirit of American performance in an unexpected, yet undeniably thrilling, package.

Jeep SRT Specs 2015: Price Table (New & Used Estimates)

Please note that "new" prices are the original Manufacturer’s Suggested Retail Price (MSRP) from 2015. "Used" prices are highly variable and depend on factors such as mileage, condition, optional packages, maintenance history, and geographic location. These are general estimates for the current market (late 2023/early 2024).

Feature / Category	Specification / Value	Original MSRP (2015)	Estimated Used Price (2023-2024)	Notes
Vehicle Type	High-Performance SUV	N/A	N/A
Engine	6.4L (392 cu in) HEMI V8	N/A	N/A	Naturally Aspirated
Horsepower	470 hp @ 6,000 rpm	N/A	N/A
Torque	465 lb-ft @ 4,300 rpm	N/A	N/A
Transmission	8-speed TorqueFlite Automatic	N/A	N/A	With Paddle Shifters
Drivetrain	Quadra-Trac Active On-Demand 4WD	N/A	N/A	Full-time 4WD with Electronic Limited-Slip Differential (ELSD)
0-60 mph	~4.8 seconds	N/A	N/A
Top Speed	160 mph (electronically limited)	N/A	N/A
Brakes	Brembo (6-piston front, 4-piston rear)	N/A	N/A	Vented Rotors (15.0" front, 13.8" rear)
Suspension	Adaptive Damping (Bilstein) Performance Suspension	N/A	N/A
Wheels	20-inch Forged Aluminum	N/A	N/A
Tires	Pirelli Scorpion Verde All-Season or P Zero Summer Perf.	N/A	N/A
Fuel Economy (EPA)	13 MPG City / 19 MPG Highway (Combined: 15 MPG)	N/A	N/A	Varies based on driving style
Towing Capacity	7,200 lbs	N/A	N/A	Requires proper equipment
Curb Weight	~5,150 lbs	N/A	N/A
Seating Capacity	5	N/A	N/A
Original MSRP (Base)	N/A	~$64,995	N/A	Excludes destination, options, and taxes
Used Price Range	N/A	N/A	$20,000 – $35,000+	Highly dependent on condition, mileage, and options. Lower end for higher mileage/fair condition, higher end for low mileage/excellent condition.

Frequently Asked Questions (FAQ) about the 2015 Jeep Grand Cherokee SRT

Q1: What does "SRT" stand for?
A1: SRT stands for "Street and Racing Technology." It was a performance division of Chrysler (now Stellantis) responsible for developing high-performance vehicles for the Dodge, Chrysler, and Jeep brands.

Q2: Is the 2015 Grand Cherokee SRT reliable?
A2: Generally, the 6.4L HEMI V8 engine is considered robust and reliable if properly maintained. Common issues are not widespread, but like any high-performance vehicle, components are under more stress. Regular maintenance, especially oil changes with the correct synthetic oil, is crucial. Issues often stem from neglect or very aggressive driving without adequate upkeep.

Q3: What’s the real-world fuel economy of the 2015 SRT?
A3: The EPA estimates are 13 MPG city and 19 MPG highway. In real-world driving, especially if you enjoy the performance, expect figures closer to the lower end, often around 10-14 MPG combined. It’s not a fuel-efficient vehicle by any stretch.

Q4: Can the 2015 Jeep Grand Cherokee SRT go off-road?
A4: While it’s a Jeep, the SRT is specifically designed for on-road, high-performance driving. Its lower ride height, stiff suspension, large street-focused tires, and aggressive front fascia (with limited approach angle) make it unsuitable for serious off-roading. It can handle light gravel roads or snowy conditions thanks to its 4WD system and Selec-Track Snow mode, but it’s not meant for rock crawling or deep mud.

Q5: What are common maintenance items or potential issues to watch out for on a used 2015 SRT?
A5:

• Brakes: The Brembo brakes are powerful but pads and rotors can be expensive to replace due to their size and performance-oriented nature. Check for rotor runout or uneven pad wear.
• Tires: High-performance tires wear faster, especially with aggressive driving. Ensure they are the correct type and in good condition.
• Suspension Components: Given the vehicle’s weight and performance, components like bushings and adaptive dampers can wear out. Listen for clunks or abnormal noises over bumps.
• Oil Changes: Ensure the previous owner used the correct full synthetic oil and adhered to the recommended service intervals.
• Uconnect System: Check for proper functionality of the infotainment screen and all features.
• Exhaust Valves: Some owners report occasional issues with the active exhaust valves, which control the exhaust note.

Q6: What’s the difference between the 2015 SRT and the later Trackhawk?
A6: The 2015 SRT uses a naturally aspirated 6.4L HEMI V8 producing 470 horsepower. The Trackhawk, introduced for the 2018 model year, features a supercharged 6.2L HEMI V8 (from the Hellcat) producing a staggering 707 horsepower. The Trackhawk is significantly more powerful, faster, and features even more robust drivetrain components to handle the extreme power output. The SRT is still a formidable performance SUV, but the Trackhawk is a step above in terms of raw power.