Specs

Research 2018 Jeep Wrangler Unlimited specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

Sport Sport 4x4

Brakes

Rear Drum Diam x Width (in)
Brake Type 4-Wheel Disc
Brake ABS System (Second Line) 4-Wheel
Disc - Front (Yes or ) Yes
Disc - Rear (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 12.9
Rear Brake Rotor Diam x Thickness (in) 12.9
Drum - Rear (Yes or )
Brake ABS System 4-Wheel

Cargo Area Dimensions

Cargo Volume to Seat 3 (ft³) 31.7
Cargo Volume to Seat 2 (ft³) 31.7
Cargo Volume to Seat 1 (ft³) 72.4
Cargo Box Width @ Wheelhousings (in) 41.1
Cargo Area Width @ Beltline (in) 47.9
Cargo Box (Area) Height (in) 35.7

Electrical

Cold Cranking Amps @ 0° F (Primary) 700
Maximum Alternator Capacity (amps) 180
Maximum Alternator Capacity (amps) 240
Cold Cranking Amps @ 0° F (2nd) 650
Cold Cranking Amps @ 0° F (2nd) 700
Cold Cranking Amps @ 0° F (2nd) 700
Cold Cranking Amps @ 0° F (Primary) 650
Cold Cranking Amps @ 0° F (Primary) 700

Emissions

Tons/yr of CO2 Emissions @ 15K mi/year 9.3
Tons/yr of CO2 Emissions @ 15K mi/year 8.8
Tons/yr of CO2 Emissions @ 15K mi/year 8.0

Engine

Engine Order Code ERC
Engine Type Intercooled Turbo Premium Unleaded I-4
Engine Type Intercooled Turbo Premium Unleaded I-4
Engine Type Regular Unleaded V-6
Displacement 2.0 L/122
Displacement 2.0 L/122
Displacement 3.6 L/220
Engine Oil Cooler Regular Duty
Fuel System Gasoline Direct Injection
Fuel System Sequential MPI
SAE Net Horsepower @ RPM 270 @ 5250
SAE Net Horsepower @ RPM 270 @ 5250
SAE Net Horsepower @ RPM 285 @ 6400
SAE Net Torque @ RPM 295 @ 3000
SAE Net Torque @ RPM 295 @ 3000
SAE Net Torque @ RPM 260 @ 4800
Fuel System Gasoline Direct Injection
Engine Order Code EC3
Engine Order Code EC3

Exterior Dimensions

Track Width, Front (in) 62.9
Track Width, Rear (in) 62.9
Min Ground Clearance (in) 9.7
Liftover Height (in) 30
Height, Overall (in) 73.6
Width, Max w/o mirrors (in) 73.8
Length, Overall (in) 188.4
Wheelbase (in) 118.4

Fuel Tank

Fuel Tank Capacity, Approx (gal) 21.5

Interior Dimensions

Second Hip Room (in) 56.7
Passenger Capacity 5
Front Hip Room (in) 53.9
Second Head Room (in) 41.7
Second Leg Room (in) 38.3
Second Shoulder Room (in) 55.7
Front Shoulder Room (in) 55.7
Front Leg Room (in) 41.2
Front Head Room (in) 42.6

Mileage

EPA Fuel Economy Est - Hwy (MPG) 24
EPA Fuel Economy Est - City (MPG) 17
EPA Fuel Economy Est - Hwy (MPG) 23
Fuel Economy Est-Combined (MPG) 22
Fuel Economy Est-Combined (MPG) 20
EPA Fuel Economy Est - City (MPG) 22
EPA Fuel Economy Est - City (MPG) 18
Fuel Economy Est-Combined (MPG) 19

Steering

Turning Diameter - Curb to Curb (ft) 40.8
Steering Type Re-Circulating Ball

Summary

Body Style Sport Utility
Body Code S
Vehicle Name Jeep Wrangler Unlimited

Suspension

Axle Ratio (:1) - Front 3.45
Axle Type - Rear Rigid Axle
Suspension Type - Rear Trailing Arm
Suspension Type - Front Leading Link
Axle Type - Front Non-Independent
Axle Ratio (:1) - Rear 3.45

Tires

Rear Tire Size P245/75SR17
Spare Tire Size Full-Size
Rear Tire Order Code TQJ
Spare Tire Order Code
Front Tire Size P245/75R17
Front Tire Size P245/75SR17
Rear Tire Size P245/75R17
Front Tire Order Code TQK
Front Tire Order Code TTC
Front Tire Order Code TQL
Front Tire Order Code TQJ
Rear Tire Order Code TQK
Rear Tire Order Code TTC
Rear Tire Order Code TQL

Trailering

Wt Distributing Hitch - Max Trailer Wt. (lbs) 3500
Dead Weight Hitch - Max Tongue Wt. (lbs) 350
Dead Weight Hitch - Max Trailer Wt. (lbs) 3500
Maximum Trailering Capacity (lbs) 3500
Wt Distributing Hitch - Max Tongue Wt. (lbs) 350

Transmission

First Gear Ratio (:1) 4.71
First Gear Ratio (:1) 4.71
First Gear Ratio (:1) 4.71
Trans Description Cont. Again
Trans Description Cont. Manual w/OD
Trans Description Cont. Automatic w/OD
Trans Description Cont. Automatic w/OD
Trans Description Cont. Automatic w/OD
Trans Type 6
Trans Type 8
Trans Type 8
Trans Type 8
Trans Order Code DEM
Trans Order Code DFT
Trans Order Code DFT
Trans Order Code DFT
Fifth Gear Ratio (:1) 1.28
Fifth Gear Ratio (:1) 1.28
Fifth Gear Ratio (:1) 0.81
Sixth Gear Ratio (:1) 1.00
Sixth Gear Ratio (:1) 1.00
Sixth Gear Ratio (:1) 1.00
Sixth Gear Ratio (:1) 0.72
Reverse Ratio (:1) 3.29
Reverse Ratio (:1) 3.29
Reverse Ratio (:1) 3.29
Reverse Ratio (:1) 4.49
Trans PTO Access No
Transfer Case Model Manual
Transfer Case Power Take Off No
Fourth Gear Ratio (:1) 1.00
Fourth Gear Ratio (:1) 1.67
Fourth Gear Ratio (:1) 1.67
Fourth Gear Ratio (:1) 1.67
Third Gear Ratio (:1) 1.53
Third Gear Ratio (:1) 2.11
Third Gear Ratio (:1) 2.11
Third Gear Ratio (:1) 2.11
Second Gear Ratio (:1) 2.63
Second Gear Ratio (:1) 3.14
Second Gear Ratio (:1) 3.14
Second Gear Ratio (:1) 3.14
Eighth Gear Ratio (:1)
First Gear Ratio (:1) 5.13
Drivetrain Four Wheel Drive
Seventh Gear Ratio (:1) 0.84
Seventh Gear Ratio (:1) 0.84
Seventh Gear Ratio (:1) 0.84
Seventh Gear Ratio (:1)
Eighth Gear Ratio (:1) 0.67
Eighth Gear Ratio (:1) 0.67
Eighth Gear Ratio (:1) 0.67
Fifth Gear Ratio (:1) 1.28

Weight Information

Gross Axle Wt Rating - Front (lbs) 2700
Gross Combined Wt Rating (lbs) 8117
Gross Vehicle Weight Rating Cap (lbs) 5300
Gross Vehicle Weight Rating Cap (lbs) 5400
Curb Weight - Rear (lbs) 1974
Curb Weight - Front (lbs) 2226
Gross Axle Wt Rating - Rear (lbs) 3000

Wheels

Front Wheel Size (in) 17 X 7.5
Spare Wheel Size (in) Full-Size
Rear Wheel Size (in) 17 X 7.5
Spare Wheel Material Steel
Rear Wheel Material Styled Steel
Front Wheel Material Styled Steel