Jeep Grand Cherokee L
WL, 2021–
Factory gearing, tires, angles and brakes for the Grand Cherokee L, and what the usual upgrades do to it. Every number is from the maker's own figures unless the calculators say otherwise. A few figures here are still waiting on a factory document; the calculators mark them.
Tire upgrades, worked out
Laredo / Limited 3.6, standard suspension, 3.45s, from 265/60R18| Tire | Height | Under the diffs | Speedo at 65 | RPM at 65 | Gears for daily | Open |
|---|---|---|---|---|---|---|
| 285/65R18 | 32.6 in | +1.0 in | 61 mph | 1,550 | 3.73 | Open → |
| 33x12.50R18 | 33.0 in | +1.2 in | 60 mph | 1,530 | 3.73 | Open → |
| 275/70R18 | 33.2 in | +1.3 in | 60 mph | 1,523 | 3.73 | Open → |
| 35x11.50R18 | 35.0 in | +2.2 in | 57 mph | 1,443 | 3.91 | Open → |
| 35x12.50R18 | 35.0 in | +2.2 in | 57 mph | 1,443 | 3.91 | Open → |
| 37x12.50R18 | 37.0 in | +3.2 in | 54 mph | 1,365 | 4.1 | Open → |
Stock turns 1,655 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 |
|---|---|---|---|---|---|---|
| Laredo / Limited 3.6, standard suspension | 265/60R18 | TorqueFlite 8HP70 8-speed automatic | 3.45 | 20.6 · 18.2 · 21.5 | 8.5 in | Use → |
| Overland with Off-Road Group, air (Off-Road 2) | 265/60R18 | TorqueFlite 8HP70 8-speed automatic | 3.45 | 30.1 · 22.6 · 23.6 | 10.9 in | Use → |
| Overland 20-in, air (Off-Road 2) | 265/50R20 | TorqueFlite 8HP70 8-speed automatic | 3.45 | 30.1 · 22.6 · 23.6 | 10.9 in | Use → |
| Summit, air (Off-Road 2) | 265/50R20 | TorqueFlite 8HP70 8-speed automatic | 3.45 | 28.2 · 22.6 · 23.6 | 10.9 in | Use → |
Size
- Wheelbase
- 121.7 in
- Front overhang
- 35.4 in
- Rear overhang
- 48.4 in
- Height
- 69 in
- Body
- SUV
- Stock tires
- 265/50R20, 265/60R18
Transmissions and low range
- TorqueFlite 8HP70 8-speed automatic
- 4.71 · 3.14 · 2.11 · 1.67 · 1.29 · 1 · 0.84 · 0.67
- Low range, mp3022 quadra-trac ii
- 2.72:1
- Low range, mp3022 quadra-drive ii
- 2.72:1
Axles
- Front
- 195 mm (7.7 in) IFS front with axle disconnect
- Rear
- IRS: 195 mm (7.7 in) V6 4x4, 230 mm (9.1 in) V8 / eLSD
- 3.45 ratio
- All trims
Brakes
- Front rotor
- 13.94 in, 354 mm
- Front caliper piston
- 51.0 mm
- Rear rotor
- 13.78 in, 350 mm
- Rear
- disc (vented, 350 x 22 mm)
Suspension
- Front
- IFS, coil or air
- Rear
- independent multi-link, coil springs or Quadra-Lift air
- Rear layout
- Independent
Fuel economy
- EPA highway
- 25 mpg
- Rated years
- 2021–2026, 4WD
Aftermarket bumpers
1 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 Grand Cherokee L sees how it does on their tires and lift.
Rear
None listed yet.
Every calculator, set up for the Grand Cherokee L
Source: media.stellantisnorthamerica.com. No aftermarket ring and pinion sets; front and rear ratios must match (3.45 OEM).
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.