Chevrolet Colorado
3rd gen, 2023+
Factory gearing, tires, angles and brakes for the Colorado, 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
WT / LT 4x4, 3.42s, from 255/65R17| Tire | Height | Under the diffs | Speedo at 65 | RPM at 65 | Gears for daily | Open |
|---|---|---|---|---|---|---|
| 265/70R17 | 31.6 in | +0.8 in | 62 mph | 1,537 | 3.73 | Open → |
| 285/70R17 | 32.7 in | +1.3 in | 60 mph | 1,485 | 3.73 | Open → |
| 33x10.50R17 | 33.0 in | +1.5 in | 59 mph | 1,472 | 3.73 | Open → |
| 33x12.50R17 | 33.0 in | +1.5 in | 59 mph | 1,472 | 3.73 | Open → |
| 255/80R17 | 33.1 in | +1.5 in | 59 mph | 1,469 | 3.73 | Open → |
| 285/75R17 | 33.8 in | +1.9 in | 58 mph | 1,436 | 4.1 | Open → |
| 315/70R17 | 34.4 in | +2.2 in | 57 mph | 1,413 | 4.1 | Open → |
| 35x11.50R17 | 35.0 in | +2.5 in | 56 mph | 1,388 | 4.1 | Open → |
| 35x12.50R17 | 35.0 in | +2.5 in | 56 mph | 1,388 | 4.1 | Open → |
| 37x11.50R17 | 37.0 in | +3.5 in | 53 mph | 1,313 | 4.1 | Open → |
| 37x12.50R17 | 37.0 in | +3.5 in | 53 mph | 1,313 | 4.1 | Open → |
Stock turns 1,616 rpm at 65 in top gear. Flotation sizes are nominal; most measure a little short mounted.
Trims
5 we have figures for| Trim | Tire | Transmission | Axle | Angles | Clearance | Open |
|---|---|---|---|---|---|---|
| WT / LT 4x4 | 255/65R17 | Hydra-matic 8L80 8-speed automatic | 3.42 | 29.1* · 19.5* · 22.3* | 7.9 in | Use → |
| Z71 | 265/65R18 | Hydra-matic 8L80 8-speed automatic | 3.42 | 29.1 · 19.5 · 22.3 | 8.9 in | Use → |
| Trail Boss | 265/65R18 | Hydra-matic 8L80 8-speed automatic | 3.42 | 30.5 · 21 · 22.4 | 9.5 in | Use → |
| ZR2 | LT285/70R17 | Hydra-matic 8L80 8-speed automatic | 3.42 | 38.3 · 24.6 · 25.1 | 10.7 in | Use → |
| GMC Canyon AT4X | LT285/70R17 | Hydra-matic 8L80 8-speed automatic | 3.42 | 36.9 · 24.5 · 25 | 10.7 in | Use → |
* The maker doesn’t publish this figure for that trim, so it shows the closest trim’s (same tire where we have one), or a close relative’s that shares the same body or front end. Hover the star to see which.
Size
- Wheelbase
- 131.4 in
- Front overhang
- 34.46 in
- Rear overhang
- 47.2 in
- Height
- 70 in
- Body
- Pickup
- Stock tires
- 255/65R17, 265/65R18, LT285/70R17
Transmissions and low range
- Hydra-matic 8L80 8-speed automatic
- 4.56 · 2.97 · 2.08 · 1.69 · 1.27 · 1 · 0.85 · 0.65
Axles
- Front
- GM IFS (ZR2/AT4X: e-locker)
- Rear
- GM 9.5 in class (ZR2/AT4X: e-locker)
- 3.42 ratio
- All trims
- Ratios made for it
- 3.73 · 4.1
Brakes
- Front rotor
- 13.39 in, 340 mm
- Rear rotor
- 13.27 in, 337 mm
- Rear
- disc (vented, 337 x 20 mm)
Suspension
- Front
- double wishbone IFS, coilovers
- Rear
- leaf springs, solid axle
- Rear layout
- Leaf springs
Fuel economy
- EPA highway
- 20 mpg
- Rated years
- 2023–2026, 4WD
Aftermarket bumpers
5 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 Colorado sees how it does on their tires and lift.
Front 3
Every calculator, set up for the Colorado
Source: motor1.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.