Specs

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

Sport Sport 4x4

Brakes

Brake ABS System 4-Wheel
Disc - Rear (Yes or ) Yes
Brake ABS System (Second Line) 4-Wheel
Disc - Front (Yes or ) Yes
Front Brake Rotor Diam x Thickness (in) 11.9
Rear Brake Rotor Diam x Thickness (in) 11.9
Drum - Rear (Yes or )
Rear Drum Diam x Width (in)
Brake Type 4-Wheel Disc

Cargo Area Dimensions

Cargo Volume to Seat 1 (ft³) 55
Cargo Volume to Seat 3 (ft³) 12.8
Cargo Volume to Seat 2 (ft³) 12.8

Electrical

Cold Cranking Amps @ 0° F (2nd) 600
Maximum Alternator Capacity (amps) 160
Cold Cranking Amps @ 0° F (Primary) 600

Emissions

Tons/yr of CO2 Emissions @ 15K mi/year 9.8

Engine

Displacement 3.6 L/220
SAE Net Horsepower @ RPM 285 @ 6400
SAE Net Torque @ RPM 260 @ 4800
Engine Oil Cooler Regular Duty
Engine Order Code ERB
Engine Type Regular Unleaded V-6
Fuel System Sequential MPI

Exterior Dimensions

Height, Overall (in) 72.5
Liftover Height (in) 27.8
Min Ground Clearance (in) 8.8
Track Width, Rear (in) 61.9
Track Width, Front (in) 61.9
Width, Max w/o mirrors (in) 73.7
Length, Overall (in) 164.3
Wheelbase (in) 95.4

Fuel Tank

Fuel Tank Capacity, Approx (gal) 18.6

Interior Dimensions

Front Leg Room (in) 41
Front Shoulder Room (in) 55.8
Front Hip Room (in) 55.6
Second Head Room (in) 40.3
Second Leg Room (in) 35.6
Second Shoulder Room (in) 44.7
Second Hip Room (in) 44.7
Front Head Room (in) 41.3
Passenger Capacity 4

Mileage

EPA Fuel Economy Est - City (MPG) 17
Fuel Economy Est-Combined (MPG) 18
EPA Fuel Economy Est - Hwy (MPG) 21

Steering

Turning Diameter - Curb to Curb (ft) 34.6
Steering Type Re-Circulating Ball

Summary

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

Suspension

Axle Type - Rear Rigid Axle
Axle Type - Front Non-Independent
Suspension Type - Rear Trailing Arm
Suspension Type - Front Leading Link
Axle Ratio (:1) - Front 3.21
Axle Ratio (:1) - Rear 3.73
Axle Ratio (:1) - Rear 3.21
Axle Ratio (:1) - Front 3.73

Tires

Spare Tire Order Code
Front Tire Order Code TYV
Front Tire Order Code TRM
Rear Tire Order Code TYV
Rear Tire Order Code TRM
Spare Tire Order Code TBZ
Front Tire Size P225/75R16
Front Tire Size P245/75SR16
Front Tire Size P225/75SR16
Rear Tire Size P225/75R16
Rear Tire Size P245/75SR16
Rear Tire Size P225/75SR16
Spare Tire Size Full-Size
Revolutions/Mile @ 45 mph - Front 712
Revolutions/Mile @ 45 mph - Rear 712

Trailering

Dead Weight Hitch - Max Trailer Wt. (lbs) 2000
Maximum Trailering Capacity (lbs) 2000
Wt Distributing Hitch - Max Trailer Wt. (lbs) 2000
Dead Weight Hitch - Max Tongue Wt. (lbs) 200
Wt Distributing Hitch - Max Tongue Wt. (lbs) 200

Transmission

Trans Order Code DGJ
Third Gear Ratio (:1) 1.72
Transfer Case Power Take Off No
Transfer Case Model Manual
Trans PTO Access No
Reverse Ratio (:1) 4.06
Reverse Ratio (:1) 3.16
Reverse Ratio (:1) 3.16
Sixth Gear Ratio (:1) 0.80
Fifth Gear Ratio (:1) 1.00
Fifth Gear Ratio (:1) 0.83
Fifth Gear Ratio (:1) 0.83
Fourth Gear Ratio (:1) 1.25
Fourth Gear Ratio (:1) 1.00
Fourth Gear Ratio (:1) 1.00
Drivetrain Four Wheel Drive
Third Gear Ratio (:1) 1.41
Third Gear Ratio (:1) 1.41
Second Gear Ratio (:1) 2.61
Second Gear Ratio (:1) 2.19
Second Gear Ratio (:1) 2.19
First Gear Ratio (:1) 4.46
First Gear Ratio (:1) 3.59
First Gear Ratio (:1) 3.59
Trans Description Cont. Again
Trans Description Cont. Manual w/OD
Trans Description Cont. Automatic w/OD
Trans Description Cont. Automatic w/OD
Trans Type 6
Trans Type 5
Trans Type 5
Trans Order Code DEH
Trans Order Code DGJ

Weight Information

Gross Combined Wt Rating (lbs) 6042
Gross Vehicle Weight Rating Cap (lbs) 4900
Curb Weight - Rear (lbs) 1913
Curb Weight - Front (lbs) 1966
Gross Axle Wt Rating - Rear (lbs) 3200
Gross Axle Wt Rating - Front (lbs) 2775
Gross Combined Wt Rating (lbs) 6029

Wheels

Front Wheel Size (in) 16 X 7
Rear Wheel Size (in) 16 X 7
Spare Wheel Size (in) Full-Size
Front Wheel Material Styled Steel
Rear Wheel Material Styled Steel
Spare Wheel Material Steel