The Jeep Gladiator Rubicon, specifically the variant equipped with the 3.6-liter Pentastar V6 engine producing 285 horsepower and a six-speed manual transmission, represents a key offering in the refreshed 2024 Gladiator lineup (JT facelift). Introduced in February 2024, this configuration builds upon the Gladiator’s established formula of combining open-air freedom with genuine off-road capability, appealing to buyers seeking a versatile and rugged pickup truck. The 2024 update brought styling refinements and technology upgrades, but the core powertrain remained a cornerstone of the Rubicon’s appeal.
Technical Specifications
| Brand | Jeep |
| Model | Gladiator |
| Generation | Gladiator (JT, facelift 2024) |
| Type (Engine) | Rubicon 3.6 Pentastar V6 (285 Hp) 4×4 |
| Start of production | February, 2024 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Pick-up |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 14.7 l/100 km (16 US mpg, 19.2 UK mpg, 6.8 km/l) |
| Fuel consumption (extra urban) | 10.2 l/100 km (23.1 US mpg, 27.7 UK mpg, 9.8 km/l) |
| Fuel consumption (combined) | 12.4 l/100 km (19 US mpg, 22.8 UK mpg, 8.1 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 8 kg/Hp, 125.4 Hp/tonne |
| Weight-to-torque ratio | 6.4 kg/Nm, 155.4 Nm/tonne |
| Power | 285 Hp @ 6400 rpm |
| Power per litre | 79.1 Hp/l |
| Torque | 353 Nm @ 4400 rpm (260.36 lb.-ft. @ 4400 rpm) |
| Maximum engine speed | 6600 rpm |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | Pentastar / ERC |
| 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 |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 4.7 l (4.97 US qt | 4.14 UK qt) |
| Coolant capacity | 12.3 l (13 US qt | 10.82 UK qt) |
| Kerb Weight | 2272 kg (5008.9 lbs.) |
| Max. weight | 2816 kg (6208.22 lbs.) |
| Max load | 544 kg (1199.31 lbs.) |
| Fuel tank capacity | 83 l (21.93 US gal | 18.26 UK gal) |
| Permitted trailer load with brakes (12%) | 2041 kg (4499.63 lbs.) |
| Length | 5539 mm (218.07 in.) |
| Width | 1875 mm (73.82 in.) |
| Height | 1882-1933 mm (74.09 – 76.1 in.) |
| Wheelbase | 3487 mm (137.28 in.) |
| Front track | 1636 mm (64.41 in.) |
| Rear track | 1636 mm (64.41 in.) |
| Front overhang | 755 mm (29.72 in.) |
| Rear overhang | 1296 mm (51.02 in.) |
| Ride height (ground clearance) | 282 mm (11.1 in.) |
| Minimum turning circle | 13.62 m (44.69 ft.) |
| Approach angle | 43.4° |
| Departure angle | 26° |
| Ramp-over angle | 20.3° |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels permanently, and the front wheels are driven through an electrically or mechanically operated clutch if necessary. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 6 |
| Type of gearbox | Manual transmission |
| Front suspension | Coil spring, Rigid axle suspension, Transverse stabilizer |
| Rear suspension | Rigid axle suspension, Transverse stabilizer, Coil spring |
| Front brakes | Ventilated discs, 330×28 mm |
| Rear brakes | Ventilated discs, 345×22 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Cone worm with recirculation balls |
| Power steering | Electric Steering |
| Tires size | 285/70 R17 |
| Wheel rims size | 7.5J x 17 |
INTRODUCTION
The 2024 Jeep Gladiator Rubicon 3.6L V6 represents a continuation of Jeep’s successful revival of the pickup truck segment. The Gladiator, launched for the 2020 model year, was the first pickup truck offered by Jeep in over two decades. The Rubicon trim, specifically, is geared towards serious off-road enthusiasts, building upon the already capable Gladiator platform with enhanced features. This particular variant, with the 3.6-liter Pentastar engine and six-speed manual transmission, occupies a sweet spot in the lineup, offering a balance of performance, capability, and affordability. It sits below the more powerful 3.0L EcoDiesel and 6.4L HEMI V8 options, targeting buyers who prioritize a proven gasoline engine and the engagement of a manual gearbox.
Powertrain & Engine Architecture
At the heart of this Gladiator Rubicon lies the 3.6-liter Pentastar V6 engine, designated as the ERC code. This engine is a well-established workhorse in the Stellantis (formerly Fiat Chrysler Automobiles) portfolio, known for its reliability and broad powerband. It utilizes multi-port fuel injection and a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. The engine produces 285 horsepower at 6,400 rpm and 260 lb.-ft. of torque at 4,400 rpm. The six-speed manual transmission provides direct control over gear selection, appealing to drivers who enjoy a more connected driving experience. The transmission’s gear ratios are tuned to provide a balance between on-road cruising and low-speed crawling capability, essential for off-road adventures.
Driving Characteristics
The 3.6L Pentastar V6, paired with the six-speed manual, delivers a respectable driving experience. While not as overtly powerful as the larger engine options, it provides sufficient torque for everyday driving and tackling moderate off-road trails. The manual transmission allows for precise control, particularly useful when navigating challenging terrain. The gear ratios are well-matched to the engine’s powerband, providing adequate acceleration in most situations. Compared to the automatic transmission option, the manual offers a more engaging driving experience and potentially slightly improved fuel economy, though the difference is often marginal. Compared to the diesel, the Pentastar is more responsive at higher RPMs, but lacks the low-end grunt of the diesel engine.
Equipment & Trim Levels
The Rubicon trim level comes standard with a comprehensive suite of off-road features, including heavy-duty Dana 44 axles, a Rock-Trac 4×4 transfer case with a 4:1 low-range gear ratio, electronic sway bar disconnect, and 33-inch all-terrain tires. Inside, the Rubicon typically features cloth upholstery, though leather options are available. Standard features include an 8.4-inch touchscreen infotainment system with Apple CarPlay and Android Auto compatibility, a rearview camera, and a suite of driver-assistance features. Optional extras include a premium audio system, heated seats, and a variety of off-road accessories such as a winch and rock rails.
Chassis & Braking
The Gladiator Rubicon utilizes a robust body-on-frame chassis, providing a solid foundation for its off-road capabilities. The suspension consists of coil springs and rigid axles front and rear, with a transverse stabilizer bar to reduce body roll. The braking system features ventilated discs at all four corners, providing ample stopping power. The Rubicon’s high ground clearance (11.1 inches) and impressive approach, departure, and breakover angles (43.4°, 26°, and 20.3° respectively) contribute to its exceptional off-road prowess.
Market Reception & Comparison
The Jeep Gladiator Rubicon 3.6L has been well-received by both critics and consumers. It’s praised for its unique combination of open-air freedom, off-road capability, and practicality. The 3.6L engine, while not the most powerful option, is considered a reliable and capable choice. Fuel economy is a common criticism, with the combined EPA rating of 19 mpg being relatively low compared to some competitors. However, buyers prioritize capability over fuel efficiency in this segment. Compared to the diesel and HEMI V8 models, the 3.6L Rubicon offers a more affordable entry point into the Gladiator lineup.
Legacy
The 3.6L Pentastar V6 has proven to be a durable and dependable engine in various Jeep and Dodge vehicles. Its longevity and relatively simple design contribute to its strong reputation for reliability. In the used car market, Gladiators equipped with this engine and manual transmission are likely to hold their value well, particularly among enthusiasts who appreciate the combination of capability and driver engagement. The JT Gladiator, as a whole, has successfully carved out a niche for itself, and the Rubicon trim, with its focus on off-road performance, remains a popular choice for those seeking a truly adventurous pickup truck.
