How RTI Compares To A 4-Door Rubicon - 2012 Jeep Wrangler Long-Term Road Test

2012 Jeep Wrangler Long Term Road Test

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2012 Jeep Wrangler: How RTI Compares To A 4-Door Rubicon

March 24, 2012


Our 2012 Jeep Wrangler is a of course a short wheelbase 2-door model, and we've run it up the RTI ramp in many configurations. But how does a long-wheelbase 4-door compare?

I recently got my hands on a Wrangler Unlimited. It's a Rubicon, so it's equipped with a factory front stabilizer bar disconnect mechanism.

A word about the color: It's Dozer Clearcoat, a.k.a. bright orange. It may look like some kind of white-to-orange fade, but that's just my point-and-shoot and the overhead skylight butting heads.


The Electronic Stabilizer Bar Disconnect acts as a bridge between the two halves of a stabilizer bar that has been split in two. It's one of the off-road features you get when you buy a Rubicon. I have my 18mm wrenches, Rubicon owners have a switch on the dash. 


Stabilizer bar connected.  Wheel lift = 20.56"   Distance up ramp = 60.12"

RTI = 518


Stabilizer bar disconnected.  Wheel lift = 27.25"   Distance up ramp = 79.67"

RTI = 687


Vehicle Configuration Wheel Lift Ramp Climb Wheelbase RTI
Wrangler Sport, BFG, stab off 26.75 78.21 95.4 820
Wrangler Unlimited Rubicon, stab off 27.25 79.67 116.0 687
Wrangler Sport, BFG, stab on 20.44 59.76 95.4 626
Wrangler Unlimited Rubicon, stab on 20.56 60.12 116.0 518


This chart compares the 4-door Wrangler Unlimited Rubicon with our 2-door Wrangler when it still had its stock suspension but after we fitted similar BFG tires. The wheel lift is virtually the same in both conditions, but the 4-door's longer wheelbase does a number on its RTI value. Both vehicles gain about 7 inches of lift once the stabilizer bar is out of the picture.


Year Make/Model Wheel Lift Ramp Climb Wheelbase RTI
2012 Wrangler Unlimited Rubicon, off 27.25 79.67 116.0 687
2010 Toyota Land Cruiser 24.81 72.55 112.2 647
2012 Jeep Wrangler Sport 18.31 53.54 95.4 561
2011 Lexus GX 460 20.19 59.02 109.8 538
2012 Wrangler Unlimited Rubicon, on 20.56 60.12 116.0 518
2012 BMW X3 12.19 35.63 110.6 322
2011 Nissan Juke SL AWD 8.75 25.58 99.6 257


The Wrangler Unlimited Rubicon tops our list of stock vehicles if we focus on the RTI number measured with the stabilizer bar disconnected. We can do that because it's a factory-installed stabilizer bar disconnect system. The Toyota and Lexus SUVs have a factory stabilizer bar disconnect systems too, but their KDSS system is automatic so they have just one RTI value.

Dan Edmunds, Director of Vehicle Testing

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