Jeep Wrangler
JL 2-door, 2018–
Factory gearing, tires, angles and brakes for the Wrangler, and what the usual upgrades do to it. Every number is from the maker's own figures unless the calculators say otherwise.
Stock tire245/75R1731.5 in tall
Axle ratio3.45–4.88Factory, by trim
Crawl ratio100.1:1Best trim: Rubicon
Angles41.4 · 25 · 35.9°Approach, breakover, departure
Clearance12.6 in9.7 to 12.6 in by trim
Highway mpg23EPA, 25 with the manual
Tire upgrades, worked out
Sport, 3.45s, from 245/75R17| Tire | Height | Under the diffs | Speedo at 65 | RPM at 65 | Gears for daily | Open |
|---|---|---|---|---|---|---|
| 285/70R17 | 32.7 in | +0.6 in | 63 mph | 1,659 | Keep 3.45s | Open → |
| 33x10.50R17 | 33.0 in | +0.8 in | 62 mph | 1,645 | Keep 3.45s | Open → |
| 33x12.50R17 | 33.0 in | +0.8 in | 62 mph | 1,645 | Keep 3.45s | Open → |
| 255/80R17 | 33.1 in | +0.8 in | 62 mph | 1,641 | 3.73 | Open → |
| 285/75R17 | 33.8 in | +1.2 in | 60 mph | 1,604 | 3.73 | Open → |
| 315/70R17 | 34.4 in | +1.4 in | 60 mph | 1,579 | 3.73 | Open → |
| 35x11.50R17 | 35.0 in | +1.8 in | 58 mph | 1,551 | 4.1 | Open → |
| 35x12.50R17 | 35.0 in | +1.8 in | 58 mph | 1,551 | 4.1 | Open → |
| 37x11.50R17 | 37.0 in | +2.8 in | 55 mph | 1,467 | 4.1 | Open → |
| 37x12.50R17 | 37.0 in | +2.8 in | 55 mph | 1,467 | 4.1 | Open → |
Stock turns 1,725 rpm at 65 in top gear. Flotation sizes are nominal; most measure a little short mounted.
Trims
4 we have figures for| Trim | Tire | Transmission | Axle | Angles | Clearance | Open |
|---|---|---|---|---|---|---|
| Sport | 245/75R17 | D478, 850RE | 3.45 / 3.73 | 41.4 · 25 · 35.9 | 9.7 in | Use → |
| Sahara | 255/70R18 | D478, 850RE | 3.45 / 3.73 | 41.8 · 21 · 36.1 | 10.0 in | Use → |
| Rubicon | LT285/70R17 | D478, 850RE | 4.1 / 4.56 / 4.88 | 44 · 27.8 · 37 | 10.8 in | Use → |
| Rubicon Xtreme 35 / Xtreme Recon (35-inch) | LT315/70R17 | 850RE | 4.56 | 47.2 · 32.4 · 40.4 | 12.6 in | Use → |
Size
- Wheelbase
- 96.8 in
- Front overhang
- 29.2 in
- Rear overhang
- 40.8 in
- Height
- 73.5 in
- Body
- Short wheelbase SUV
- Stock tires
- 245/75R17, 255/70R18, LT285/70R17, LT315/70R17
Transmissions and low range
- D478 (Aisin AL6) 6-speed manual
- 5.13 · 2.63 · 1.53 · 1 · 0.81 · 0.72
- 850RE (ZF 8HP-based) 8-speed automatic
- 4.71 · 3.13 · 2.1 · 1.67 · 1.28 · 1 · 0.84 · 0.67
- 8HP75 8-speed automatic (6.4L V8 / 392)
- 4.71 · 3.13 · 2.1 · 1.67 · 1.28 · 1 · 0.84 · 0.67
- Low range, command-trac (nv241)
- 2.72:1
- Low range, selec-trac (mp3022)
- 2.72:1
- Low range, rock-trac (nv241or)
- 4:1
- Low range, rock-trac (mp3022or)
- 4:1
Axles
- Front
- Dana M186 (Sport/Sahara) / Dana M210 'Dana 44' (Rubicon)
- Rear
- Dana M200 'Dana 35' (Sport/Sahara std) / Dana M220 'Dana 44' (Rubicon; optional on Sport/Sahara)
- 3.45 ratio
- Sport, Sahara
- 3.73 ratio
- Sport, Sahara
- 4.1 ratio
- Rubicon
- 4.56 ratio
- Rubicon, Rubicon Xtreme 35 / Xtreme Recon (35-inch)
- 4.88 ratio
- Rubicon
- Ratios made for it
- 3.45 · 3.73 · 4.1 · 4.56 · 4.88 · 5.13 · 5.38
Brakes
- Front rotor
- 12.90 in, 328 mm
- Rear rotor
- 13.40 in, 340 mm
- Rear
- disc (solid, single-piston)
Suspension
- Front
- 5-link (4 links plus track bar), coil springs
- Rear
- 5-link (4 links plus track bar), coil springs
- Rear layout
- Factory 4-link
Fuel economy
- EPA highway, automatic
- 23 mpg
- EPA highway, manual
- 25 mpg
- Rated years
- 2018–2026, 4WD
Brake upgrades
What bigger tires need →- Teraflex Delta front and rear big brake kit 4403450 (5x5)+10% brake torque12.9 → 14.0 in rotor · 4-piston · 17 in wheels or bigger · $2,809
- APB 4-piston front big brake kit BBK-JL14-F+10% brake torque12.9 → 14.0 in rotor · 4-piston · $1,999
Aftermarket bumpers
25 listedMakers almost never publish angles, bottom heights or how far a bumper tucks, so these fill in as owners measure them. Measured yours? Add it on the rig page and every owner of this Wrangler sees how it does on their tires and lift.
Front 14
- Addictive Desert Designs 2018-2026 Jeep JL/JT Stealth Fighter Front Bumper$1,899 · winch ready
- ARB Deluxe Bumper (Jeep JL/JT)$1,596 · winch ready
- Body Armor 4x4 2007-2027 Jeep Wrangler JK/JL & Gladiator JT Orion Mid-width Front Bumper$850 · winch ready
- Chassis Unlimited 2020+ Jeep Gladiator & JL Octane Front Bumper$1,326 · winch ready
- DV8 Offroad 2007-2026 Jeep Wrangler JK/JL & Gladiator JT | FS-1 Series Stubby Front Bumper$800 · winch ready
- Fab Fours Front Winch Bumper Ghost Stubby With Guard JL24-B5152-1 2018-2025 Jeep Wrangler JL$660 · winch ready
- Ironman 4x4 Raid Full Length Front Bumper Kit for Jeep Wrangler JL/JLU (2018+)$649 · winch ready
- Motobilt Crusher Front Bumper for Jeep JL and JT Gladiator70 lb · $749 · winch ready
Show 6 more
- Next Venture Motorsports JL/JT Aluminum Front Bumper - Featherweight Series (Stubby)42 lb · $1,000 · winch ready
- Road Armor Stealth Front Full Width Winch Bumper Pre-Runner Guard | Rubicon Only - Texture Black 2018-2025 Jeep JL JLU JT$1,697 · winch ready
- Rusty's Off-Road Rusty's Bumper - Xtreme Trail Front Bumper w/ Sylvania LED Slim Lights - (JL,JT)$963 · winch ready
- Savvy Off Road 2018-2026 Jeep JL/JLU/JT Front Bumper Without Hoop (ALUMINUM Krawler Lite) Savvy Offroad$799 · winch ready
- Throttle Down Kustoms Prospector Series Front Bumper (JL/JLU)$650 · winch ready
- Warn Elite Front Bumper for 2018-2026 Jeep Wrangler JL / 2020-2026 Jeep Gladiator JT$1,650 · winch ready
Rear 11
- Addictive Desert Designs 2018-2026 Jeep Wrangler JL Stealth Fighter Rear Bumper$1,499
- ARB Rear Bumper (Jeep JL)$1,296
- Body Armor 4x4 2018-2027 Jeep Wrangler JL Orion Rear Bumper$700
- DV8 Offroad 2018-2026 Jeep Wrangler JL | MTO Series Rear Bumper$800
- Iron Bull Bumpers 2019-2023 Jeep JL Wrangler Rear Bumper | Parking Sensor Cutouts Available$2,400 · winch ready
- Motobilt Crusher Rear Bumper w/ Spare Cutout for Jeep JL55 lb · $789
- Next Venture Motorsports JL Rear Bumper - Rimrocker Series61 lb · $1,200
- Road Armor Stealth Rear Mid Width Non-Winch Bumper - Texture Black 2018-2025 Jeep JL JLU$1,350
Every calculator, set up for the Wrangler
Tire sizeBigger tires: speedo, clearance, angles and brakes.Compare tiresRegearHighway RPM on every ratio and mpg.Pick your gearsCrawl ratioHow slow it creeps, against other trucks.Work out crawlSpeedometerWhat it really reads on new tires.Fix your speedoLinksAnti-squat and what a lift does to it.Check your linksYour rigBuild sheet and measured angles.Start a build sheetLeaderboardsWhere the Wrangler ranks against every stock truck.See where it ranks
Source: s3.amazonaws.com.
Use at your own risk. These calculators are here to help you plan and to inform your decisions, not to sign off on a build. Many numbers are estimates worked out from factory figures, and some factory figures are not yet confirmed. Check every number against your own truck, its manuals and a qualified shop before you buy parts, cut, weld, lift, regear or drive on it. Long Range Desert Tools is not liable for anything you do based on these calculators or their results. The full terms are in our policies.