The Jeep Liberty II, produced from 2007 to 2013, represented the second generation of the mid-size SUV. The 3.7 i V6 12V (210 Hp) 4WD variant occupied a significant position within the Liberty lineup, offering a balance between capability and affordability. This model, built on the KK platform, aimed to provide a more refined and capable experience than its predecessor, targeting families and individuals seeking a versatile vehicle for both on and off-road adventures. It was primarily marketed in North America, where the demand for SUVs with four-wheel drive remained strong.
Technical Specifications
| Brand | Jeep |
| Model | Liberty |
| Generation | Liberty II |
| Type (Engine) | 3.7 i V6 12V (210 Hp) 4WD |
| Start of production | 2007 |
| End of production | 2013 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 14.7 l/100 km (16 US mpg, 19.2 UK mpg, 6.8 km/l) |
| Fuel consumption (extra urban) | 10.7 l/100 km (22 US mpg, 26.4 UK mpg, 9.3 km/l) |
| Fuel consumption (combined) | 13.1 l/100 km (18 US mpg, 21.6 UK mpg, 7.6 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 9.1 kg/Hp, 110.3 Hp/tonne |
| Weight-to-torque ratio | 6 kg/Nm, 167 Nm/tonne |
| Power | 210 Hp @ 5200 rpm |
| Power per litre | 56.7 Hp/l |
| Torque | 318 Nm @ 4000 rpm (234.54 lb.-ft. @ 4000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | EKG |
| Engine displacement | 3701 cm3 (225.85 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 93 mm (3.66 in.) |
| Piston Stroke | 90.8 mm (3.57 in.) |
| Compression ratio | 9.1:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Engine oil capacity | 4.7 l (4.97 US qt | 4.14 UK qt) |
| Coolant capacity | 13.3 l (14.05 US qt | 11.7 UK qt) |
| Kerb Weight | 1904 kg (4197.6 lbs.) |
| Max. weight | 2574 kg (5674.7 lbs.) |
| Max load | 670 kg (1477.1 lbs.) |
| Trunk (boot) space – minimum | 892 l (31.5 cu. ft.) |
| Trunk (boot) space – maximum | 1818 l (64.2 cu. ft.) |
| Fuel tank capacity | 74 l (19.55 US gal | 16.28 UK gal) |
| Permitted trailer load with brakes (12%) | 1588 kg (3500.94 lbs.) |
| Length | 4493 mm (176.89 in.) |
| Width | 1838 mm (72.36 in.) |
| Height | 1781 mm (70.12 in.) |
| Wheelbase | 2695 mm (106.1 in.) |
| Front track | 1549 mm (60.98 in.) |
| Rear (Back) track | 1549 mm (60.98 in.) |
| Ride height (ground clearance) | 196 mm (7.72 in.) |
| Minimum turning circle (turning diameter) | 10.8 m (35.43 ft.) |
| Approach angle | 39.1° |
| Departure angle | 32.1° |
| Ramp-over (brakeover) angle | 20.4° |
| 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 and type of gearbox | 6 gears, manual transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Rigid axle suspension, Transverse stabilizer, Coil spring |
| Front brakes | Ventilated discs, 302.26 mm |
| Rear brakes | Disc, 314.96 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 225/75 R16 |
| Wheel rims size | 7J x 16 |
INTRODUCTION
The Jeep Liberty II 3.7 i V6 4WD, produced between 2007 and 2013, was a mid-size SUV designed to appeal to buyers seeking a blend of on-road comfort and off-road capability. Positioned as a more accessible alternative to the larger Jeep Grand Cherokee, the Liberty II aimed to provide a practical and versatile vehicle for families and individuals. The 3.7-liter V6 engine paired with a four-wheel-drive system was a popular configuration, offering a balance of power and traction. This variant sat in the middle of the Liberty lineup, offering more power than the base 2.4L four-cylinder but remaining more affordable than the higher-trim levels.
Powertrain & Engine Architecture
The heart of the Liberty II 3.7 i V6 4WD is the EKG 3.7-liter V6 engine. This engine, a member of the Chrysler/Dodge/Jeep V6 family, features a 60-degree V-angle and utilizes a cast iron block with aluminum cylinder heads. It employs a multi-port fuel injection system, delivering fuel directly to the intake ports. The engine is equipped with two valves per cylinder (12 valves total) and operates with a compression ratio of 9.1:1. The 4WD system is a part-time four-wheel drive, utilizing an electronically controlled transfer case. The transfer case allows the driver to switch between 2WD, 4WD High, and 4WD Low, providing enhanced traction in various conditions. The 6-speed manual transmission was standard, offering precise gear changes and a more engaging driving experience.
Driving Characteristics
The 3.7L V6 with the manual transmission in the Liberty II provided adequate, though not exhilarating, performance. With 210 horsepower and 235 lb-ft of torque, acceleration was reasonable for everyday driving, but it wasn’t particularly quick. The manual transmission allowed for better control and responsiveness compared to the optional automatic. The 6-speed gearbox offered a good range of ratios, helping to keep the engine in its optimal power band. The four-wheel-drive system provided enhanced traction on slippery surfaces, making it a capable vehicle for light off-roading and inclement weather. Compared to the base 2.4L engine, the 3.7L offered a noticeable improvement in power and responsiveness. However, it didn’t match the performance of the larger engines found in the Grand Cherokee.
Equipment & Trim Levels
The Liberty II 3.7 i V6 4WD typically came standard with features such as air conditioning, power windows and locks, a CD player, and cloth upholstery. Higher trim levels, such as the Limited, added features like leather upholstery, heated front seats, a premium sound system, and alloy wheels. Optional extras included a sunroof, navigation system, and a rear entertainment system. The interior design was functional and straightforward, prioritizing practicality over luxury. The dashboard layout was relatively simple, with easy-to-use controls.
Chassis & Braking
The Liberty II utilized a body-on-frame construction, providing a robust and durable chassis. The front suspension featured an independent McPherson strut design with coil springs and an anti-roll bar, while the rear suspension employed a solid axle with coil springs and a transverse stabilizer bar. This setup provided a comfortable ride, but it wasn’t as refined as the independent rear suspension found in some competitors. The braking system consisted of ventilated discs at the front and solid discs at the rear. ABS (Anti-lock Braking System) was standard, enhancing safety and control during emergency braking situations.
Market Reception & Comparison
The Jeep Liberty II 3.7 i V6 4WD received mixed reviews from critics. While its off-road capability and spacious interior were praised, its fuel economy and somewhat dated interior design were often criticized. Compared to competitors like the Toyota RAV4 and Honda CR-V, the Liberty II offered more ruggedness and off-road prowess, but it lacked the refinement and fuel efficiency of those vehicles. The 3.7L V6 offered a good balance of power and reliability, but its fuel consumption was higher than some of the four-cylinder options available in the segment. The manual transmission was appreciated by enthusiasts, but it wasn’t as popular with the general public as the automatic transmission.
Legacy
The Jeep Liberty II 3.7 i V6 4WD has proven to be a relatively reliable vehicle, with the 3.7L V6 engine generally considered to be durable. However, like many older vehicles, it’s prone to certain issues, such as oil leaks and corrosion. In the used car market, the Liberty II remains an affordable option for buyers seeking a capable and versatile SUV. Its four-wheel-drive system and spacious interior make it a practical choice for those who need a vehicle that can handle a variety of tasks. While it may not be the most modern or fuel-efficient SUV on the market, the Liberty II continues to appeal to those who value ruggedness and capability.
