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2005 Jeep Wrangler Unlimited Technical Specifications

All dimensions are in inches (millimeters) unless otherwise noted.

ENGINE: 4.0-LITER, OHV, 12-VALVE SMPI POWER TECH I-6

Type and Description
In-line, liquid-cooled
Displacement
242 cu. in. (3956 cu. cm)
Bore x Stroke
3.88 x 3.41 (98.4 x 86.7)
Valve System
OHV, 12 valves, flat followers, hydraulic lifters
Fuel Injections
Sequential, multi-port, electronic
Construction
Cast-iron block and head
Compression Ratio
8.8:1
Power (SAE net)
190 bhp (142 kW) @ 4600 rpm (47.5 bhp/L)
Torque (SAE net)
235 lb.-ft. (319 N•m) @ 3200 rpm
Max. Engine Speed
5300 rpm
Fuel Requirements
Unleaded regular, 87 octane (R+M)/2
Oil Capacity
6.0 qt. (5.7L)
Coolant Capacity
10.5 qt. (9.9L)
Emission Controls
Three-way catalytic converters, heated oxygen sensors, internal engine features
Max. Gross Trailer Weight
3,500 lbs
Estimated EPA Fuel Economy mpg (City/Hwy)
16/20 - automatic, 16.20 - manual

TRANSMISSION: 42RLE—AUTOMATIC, FOUR-SPEED OVERDRIVE

Description
Electronic governor, electronically controlled converter clutch
Gear Ratios

1st
2.84
2nd
1.57
3rd
1
4th
0.69
Axle Ratio
3.73
Overall Top Gear
2.57

TRANSMISSION: NSG 370 — MANUAL, SIX-SPEED

Availability
Std. - All models
Description
Six-speed, overdrive, synchronized in all forward gears and reverse, single-rail shift system with top-mounted shift lever
Clutch
Hydraulic actuation, dual mass flywheel system
Gear Ratios

1st
4.459
2nd
2.614
3rd
1.723
4th
1
5th
0.838
Reverse
4.06
Axle Ratio
3.73 - 4.0L; 4.11 - Rubicon
Overall Top Gear
2.98 - 4.0L; 3.29 - Rubicon

TRANSFER CASE: NV231 COMMAND-TRAC®

Type
Part-time
Operating Modes
2WD; 4WD High, part-time; Neutral; 4WD Low, part-time
Low Range Ratio
2.72:1
Center Differential Type
None

DIMENSIONS AND CAPACITIES

Wheelbase
103.4 (2626)
Track, Front
58.5 (1473)
Track, Rear
58.5 (1473)
Overall Length

To spare tire
155.4 (3947)
To bumper
167 (4242)
Overall Width
66.7 (1693)/76.3 (1938)
Overall Height
69.4 (1764)
Hard top
70.9 (1802)
Soft top
68.4 (1737)
Top down
68.4 (1737)
Ground Clearance

Front axle
9.3 (237)
Rear axle
8.3 (212)
Running
9.2 (235)
Approach Angle
43.1
Ramp Breakover Angle
21.4
Departure Angle
27.7
Curb Weight
3,721 lbs. (1689 kg)
Maximum Payload (includes occupants and cargo)
800 lbs. (363 kg)
Weight Distribution, F/R
50/50
Frontal Area
27.8 sq. ft. (2.58 sq. m)
Hard top
0.55
Soft top
0.58
Drag Coefficient
0.55 hard top, 0.58 soft top
Fuel Tank Capacity
19 gal. (72L)
Total Interior Volume
94.1 cu. ft. (2.664 cu. m)
Front Interior Volume
50.6 cu. ft. (1.432 cu. m)
Rear Interior Volume
43.5 cu. ft. (1.232 cu. m)
Cargo Volume
28.5 cu. ft. (0.807 cu. m)
Enclosed Cargo Volume Index - Maximum behind front seat
63.3 cu. ft. (1.792 cu. m)
Enclosed Cargo Volume Index - Maximum behind second seat
28.2 cu. ft. (0.799 cu. m)

ACCOMMODATIONS

Seating Capacity - F/R
2/2 std.
Front

Head room
40.9 (1038) hard top; 41.9 (1064) soft top
Leg room
41.1 (1044)
Shoulder room
50.8 (1289)
Hip room
51.8 (1292)
Seat travel
8.27 (210)
Recliner range
44.5°
Rear

Head room
41.1 (1044) hard top; 40.6 (1031) soft top
Leg room
36.7 (890)
Shoulder room
57.3 (1455)
Hip room
43.5 (1105)



BODY AND CHASSIS

Layout
Longitudinal front engine, four-wheel drive
Construction
Ladder-type frame, open steel body

SUSPENSION

Front
Live axle, leading arms, track bar, coil springs, stabilizer bar, low-pressure gas-charged shock absorbers
Rear
Live axle, trailing arms, track bar, coil springs, stabilizer bar, low-pressure gas-charged shock absorbers

STEERING

Type
power recirculating ball with damper
Overall Ratio
16.8:1 overall (gear-15.2:1)
Turning Diameter (curb-to-curb)
36 ft. (11.2 m)
Steering Turns (lock-to-lock)
3.4

TIRES

Standard-Unlimited

Size and type
30 x 9.5R15LT
Mfr. and model
Goodyear Wrangler GSA
Revs per mile
719
Unlimited Rubicon

Size and type
31 x 9.5 LT245/75R16 on/off road
Mfr. and model
Goodyear Wrangler MT/R
Revs per mile
677 (420)

WHEELS

Standard-Unlimited

Type and material
Cast-aluminum
Size
15 x 8
Unlimited Rubicon

Type and material
Cast-aluminum
Size
16 x 8

BRAKES

Front

Size and type
11.0 x 0.94 (280 x 24) vented disc with single-piston sliding caliper
Swept area
198.5 sq. in. (1,281 sq. cm)
Rear

Size and type
9.0 x 2.5 (229 x 64) drum
Swept area
141.4 sq. in. (912 sq. cm)
Power Assist Type
8.07 (205) tandem diaphragm vacuum

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