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2003 Jeep Wrangler Rubicon Trail Test

Is It Tough Enough For The Trail It's Named For?

Photography by Laura Thompson

The Rubicon is powered by the familiar 4.0L inline-six. Nice and torquey for trail work, it's noisy on the highway, and not particularly powerful.
The Rubicon is powered by the familiar 4.0L inline-six. Nice and torquey for trail work, i

  • A Dana 44 loaded with an air locker and 4.10 gears does duty under the front of the Rubicon.
    A Dana 44 loaded with an air locker and 4.10 gears does duty under the front of the Rubico
  • Articulation? Well, there is some, but as you can see here, it's not hard to levitate one of the Rubicon's tires.
    Articulation? Well, there is some, but as you can see here, it's not hard to levitate one
  • The rocks also took bites out of the rubber bumper ends, and managed to bend the rear tow hook.
    The rocks also took bites out of the rubber bumper ends, and managed to bend the rear tow

  • Tough trail, great scenery: If that's what you're looking for in an out-of-the-box four-wheeler, the Wrangler Rubicon is worth your scrutiny.
    Tough trail, great scenery: If that's what you're looking for in an out-of-the-box four-wh
  • How do you know when you've shifted the transfer case and hit the air locker buttons, that you're actually locked and loaded? Because the dash display tells you so.
    How do you know when you've shifted the transfer case and hit the air locker buttons, that
  • Not only did we manage to, uh, modify the Rubicon's fuel tank, the trail's rock also left its mark on the Rub's rear bumper. Conclusion: The Rubicon has insufficient ground clearance.
    Not only did we manage to, uh, modify the Rubicon's fuel tank, the trail's rock also left

GENERAL
Vehicle model Jeep Wrangler Rubicon
Base price $24,995
Price as tested $27,740
Options as tested $610 destination charge;
smokers group, $30; floor mats, $30;
four-speed automatic transmission, $825;
temp/auto-dim mirror, $220; theft deterrent,
$75;A/C, $895; cruise control, $250;
AM/FM/CD, $125; seven speakers with
subwoofer, tweeters, $295.
ENGINE
Type OHV I-6
Displacement (liter/ci) 242/4.0
Bore x stroke (in.) 3.88x3.41
Compression ratio 8.8:1
Intake EFI
Valve actuation Pushrods
Mfg’s power rating @ rpm (hp) 190 @ 4,600
Mfg’s torque rating @ rpm (lb-ft) 235 @ 3,200
Mfg’s suggested fuel type 87
DRIVETRAIN
Transmission 42RLE four-speed auto
Ratios
First 2.84
Second 1.57
Third 1.00
Fourth 0.69
Reverse 2.21
Axle ratio 4.10:1
Transfer case NVG241OR
Low-range ratio 4:1
Crawl ratio 65.92:1
Engine rpm @ 65 2,000
FRAME/BODY
Frame steel ladder
Body steel
SUSPENSION/AXLES
Front Dana 44, coil springs, tubular shocks,
antiroll bar
Rear Dana 44, coil springs, tubular shocks
STEERING
Type Recirculating Ball
Turns (lock-to-lock) 3.4
Ratio 15.2:1
BRAKES
Front 11.0 vented disc, single-piston calipers
Rear 11.2 solid disc, single-piston caliper
ABS No
WHEELS/TIRES
Wheels (in.) 16x8 cast alloy
Tires LT245/75R16 Goodyear MT/R
FUEL ECONOMY
EPA city/highway 14/18
Actual combined,  
city/highway/trail 14.65
DIMENSIONS/CAPACITIES
Weight (lbs.) 3,437
Wheelbase (in.) 93.4
Overall length (in.) 156.1
Overall width (in.) 68.2
Height (in.) 70.8
Track f/r (in.) 57.6/57.8
Minimum ground clearance (in.) 10.2
Turning diameter, curb-to-curb (ft.) 36.7
Approach/departure angles (deg.) 45.1/34.4
GVRW (lbs.) 4,550
Payload (lbs.) N/A
Maximum towing capacity (lbs.) 2,000
Seating 4
Fuel capacity (gal.) 19.0
PERFORMANCE
0-30 (sec.) 428
0-60 (sec.) 13.25
30-50 (sec.) 5.55
50-70 (sec.) N/A
Quarter-mile (sec. @ mph) 19.54/69.95
Braking 60-0 mph (ft.) 183.61
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