The 2016 Chevrolet Colorado offers two rear axles.
| GM RPO Code | Ratio |
|---|---|
| GT5 | 4.10 |
| GU6 | 3.42 |
Axle Availability
Axle availability varies by trim level as well as by cab and box configuration.
| Trim Level: | Base | Work Truck | LT | Z71 | ||||
|---|---|---|---|---|---|---|---|---|
| Axle / Equipment Group: | 2SA | 2WT | 4WT | 2LT | 4LT | 27Z | 47Z | |
| 4.10Â GT5 | S | S1 | S2 | S1 | S2 | S1 | S2 | |
| 3.42 GU6 | - | A1 | A1 | A2 | A2 | A2 | A2 | |
Legend:
- S: standard
- A: Available
- S1: requires 2.5L I-4 LCV engine. Not included on Crew Cab Long Box models.
- S2: requires 2.5L I-4 LCV engine. Not included on Crew Cab models.
- A1: requires 3.6L V-6 LFX engine or 2.8L I-4 LWN Duramax Turbo-Diesel engine.
- A2: requires 3.6L V-6 LFX engine or 2.8L I-4 LWN Duramax Turbo-Diesel engine on Crew Cab Short Box models. Standard on Crew Cab Long Box models.
