2021 Jeep Grand Cherokee L V (WL) 3.6 V6 Pentastar (290 Hp) TorqueFlite

The Jeep Grand Cherokee L V (WL) with the 3.6-liter Pentastar V6 engine and TorqueFlite 8-speed automatic transmission represents a significant expansion of the Grand Cherokee lineup, introduced for the 2021 model year. This variant marked the return of a three-row SUV to the Grand Cherokee family, aiming to cater to larger families while retaining the brand’s reputation for off-road capability and on-road refinement. Positioned as a mid-range offering within the broader Grand Cherokee L portfolio, it provided a balance between performance, fuel efficiency, and price, slotting below the more powerful V8 options and above potential future base engine configurations.

Technical Specifications

Brand Jeep
Model Grand Cherokee
Generation Grand Cherokee L V (WL)
Type (Engine) 3.6 V6 Pentastar (290 Hp) TorqueFlite
Start of production January, 2021
Powertrain Architecture Internal Combustion engine
Body type SUV
Seats 7
Doors 5
Fuel consumption (urban) 12.4 l/100 km (19 US mpg, 22.8 UK mpg, 8.1 km/l)
Fuel consumption (extra urban) 9 l/100 km (26.1 US mpg, 31.4 UK mpg, 11.1 km/l)
Fuel consumption (combined) 11.2 l/100 km (21 US mpg, 25.2 UK mpg, 8.9 km/l)
Fuel Type Petrol (Gasoline)
Emission standard LEV II+
Weight-to-power ratio 7.2 kg/Hp, 138.4 Hp/tonne
Weight-to-torque ratio 6 kg/Nm, 166.1 Nm/tonne
Power 290 Hp @ 6400 rpm
Power per litre 80.5 Hp/l
Torque 348 Nm @ 4000 rpm (256.67 lb.-ft. @ 4000 rpm)
Maximum engine speed 6700 rpm
Engine layout Front, Longitudinal
Engine displacement 3604 cm3 (219.93 cu. in.)
Number of cylinders 6
Engine configuration V-engine
Cylinder Bore 96 mm (3.78 in.)
Piston Stroke 83 mm (3.27 in.)
Compression ratio 11.3:1
Number of valves per cylinder 4
Fuel injection system Multi-port manifold injection
Valvetrain DOHC
Engine oil capacity 4.7 l (4.97 US qt | 4.14 UK qt)
Coolant capacity 10.2 l (10.78 US qt | 8.97 UK qt)
Kerb Weight 2095-2199 kg (4618.68 – 4847.97 lbs.)
Max. weight 2948 kg (6499.23 lbs.)
Max load 749-853 kg (1651.26 – 1880.54 lbs.)
Trunk (boot) space – minimum 487 l (17.2 cu. ft.)
Trunk (boot) space – maximum 2396 l (84.61 cu. ft.)
Fuel tank capacity 87 l (22.98 US gal | 19.14 UK gal)
Permitted trailer load with brakes (12%) 2812 kg (6199.4 lbs.)
Length 5204 mm (204.88 in.)
Width 1979 mm (77.91 in.)
Width with mirrors folded 1964 mm (77.32 in.)
Width including mirrors 2149 mm (84.61 in.)
Height 1815-1817 mm (71.46 – 71.54 in.)
Wheelbase 3091 mm (121.69 in.)
Front track 1660 mm (65.35 in.)
Rear (Back) track 1660 mm (65.35 in.)
Ride height (ground clearance) 215-276 mm (8.46 – 10.87 in.)
Drag coefficient (Cd) 0.357
Minimum turning circle (turning diameter) 11.7 m (38.39 ft.)
Approach angle 20.6-30.1°
Departure angle 21.5-23.6°
Ramp-over (brakeover) angle 18.2-22.6°
Drivetrain Architecture Rear wheel drive. Internal Combustion engine.
Drive wheel Rear wheel drive
Number of gears and type of gearbox 8 gears, automatic transmission TorqueFlite
Front suspension Independent multi-link suspension
Rear suspension Independent multi-link suspension
Front brakes Ventilated discs, 354×28 mm
Rear brakes Ventilated discs, 350×22 mm
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Power steering Electric Steering
Tires size 265/60 R18; 265/50 R20; 275/45 R21
Wheel rims size 8J x 18; 8.5J x 20; 9J x 21

Powertrain & Engine Architecture

At the heart of this Grand Cherokee L variant lies the 3.6-liter Pentastar V6 engine. This engine, a staple in the Chrysler/Jeep/Dodge lineup for over a decade, is known for its robust design and relatively smooth operation. The engine utilizes a 60-degree V-angle, contributing to its balance and reduced vibrations. It features a multi-port fuel injection system and a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. The compression ratio of 11.3:1 helps to optimize combustion efficiency. Paired with this engine is the TorqueFlite 8-speed automatic transmission, a well-regarded unit known for its smooth shifts and wide gear ratio spread. This transmission allows the engine to operate in its most efficient range more often, contributing to improved fuel economy. The transmission is electronically controlled, adapting to driving conditions and driver input.

Driving Characteristics

The 290 horsepower and 260 lb-ft of torque produced by the 3.6L Pentastar, when channeled through the 8-speed TorqueFlite automatic, delivers adequate performance for everyday driving and moderate towing. Acceleration is respectable, though not particularly brisk, with a 0-60 mph time estimated around 7.5-8.5 seconds. The automatic transmission is programmed for smooth, comfortable shifts, prioritizing refinement over aggressive performance. Compared to the available 5.7L Hemi V8, this variant offers significantly less power and acceleration, but it provides a more fuel-efficient and less expensive option. The gear ratios are tuned to balance acceleration with highway cruising efficiency. In real-world conditions, the 3.6L feels most comfortable during normal commuting and highway driving, with sufficient power for passing maneuvers.

Equipment & Trim Levels

The 3.6L V6 Grand Cherokee L typically came standard with features such as three-zone automatic climate control, an 8.4-inch touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, and a suite of advanced driver-assistance systems (ADAS) including blind-spot monitoring, rear cross-traffic alert, and forward collision warning. Interior upholstery was typically cloth in the base trims, with leather options available on higher sub-trims like the Overland. Optional extras included a panoramic sunroof, premium audio systems, and various appearance packages. The Laredo, Altitude, Limited, and Overland trims were commonly available with this engine configuration, each offering increasing levels of luxury and features.

Chassis & Braking

The Grand Cherokee L utilizes an independent multi-link suspension system both front and rear, providing a comfortable ride and good handling characteristics. The suspension is tuned to balance on-road comfort with off-road capability. Braking duties are handled by ventilated discs on all four wheels, providing ample stopping power. The base models typically featured smaller brake rotors, while higher trims received larger rotors for improved performance. Anti-lock brakes (ABS) are standard, along with electronic stability control and traction control systems. The chassis is designed to accommodate the added weight of the third-row seating and the larger overall dimensions of the vehicle.

Market Reception & Comparison

Critics generally praised the Grand Cherokee L for its spacious interior, comfortable ride, and user-friendly technology. The 3.6L V6 engine was considered adequate for most buyers, but some reviewers noted that it could feel strained when fully loaded or towing. Fuel economy was generally considered average for its class. Compared to competitors like the Toyota Highlander and Honda Pilot, the Grand Cherokee L offered a more luxurious interior and a more rugged aesthetic, but it typically came with a higher price tag. The 3.6L variant offered a more affordable entry point into the Grand Cherokee L lineup, appealing to buyers who prioritized value and fuel efficiency over outright performance.

Legacy

The 3.6L Pentastar V6 paired with the TorqueFlite 8-speed automatic has proven to be a reliable powertrain combination in numerous Chrysler, Jeep, and Dodge vehicles. While not without its minor issues (such as potential oil consumption in some early model years), it generally enjoys a good reputation for durability. On the used car market, Grand Cherokee L models equipped with this powertrain represent a good value proposition, offering a comfortable and capable SUV at a reasonable price. Regular maintenance, including timely oil changes and transmission fluid services, is crucial for ensuring the long-term reliability of this powertrain.

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