The short answer
Ranger wins on engine variety (3 EcoBoost engines), Raptor halo (Fox Live Valve), and BlueCruise hands-free. Colorado wins on the standard 2.7L Turbomax (310 hp standard across most trims — simpler lineup), ZR2 Bison off-road extreme, and lower entry price. Both excellent new-gen midsize trucks. Pick by powertrain variety preference and off-road tune.
Engines
Ranger: 2.3L EcoBoost (270 hp), 2.7L V6 EcoBoost (315 hp), 3.0L V6 EcoBoost (405 hp Raptor). Colorado: 2.7L Turbomax I-4 (237 hp WT, 310 hp standard, 310 hp HO). Single engine across most Colorado trims — simpler lineup vs Ranger's tiered V6 EcoBoost.
Off-road
Ranger Tremor: locking rear diff, off-road tires. Ranger Raptor: 405 hp 3.0L V6, Fox Live Valve shocks, desert spec. Colorado Trail Boss: lifted suspension, Goodyear Wrangler tires. Colorado ZR2: Multimatic DSSV shocks, locking diffs front + rear, performance off-road. Colorado ZR2 Bison: AEV armor, beadlock-capable wheels. Colorado ZR2 / ZR2 Bison are the rock-crawling specialists; Ranger Raptor is the desert pre-runner specialist.
Towing and payload
Ranger: up to 7,500 lbs tow / ~1,805 lbs payload. Colorado: up to 7,700 lbs tow (with Trailering Pkg) / ~1,684 lbs payload. Tow ratings are practically tied; Ranger edges Colorado on payload.
Interior and tech
Both got major interior upgrades. Ranger: 12-inch SYNC 4 portrait screen, BlueCruise hands-free hardware. Colorado: 11.3-inch landscape screen with Google built-in, Super Cruise hands-free available on top trims. Both excellent. BlueCruise vs Super Cruise is a wash on capability.
Reliability and resale
Both new-gens are too fresh for long-term reliability data. Ranger has historically been steady. Colorado has had some early-production hiccups in the new generation but has stabilized. Resale: Tacoma still owns midsize resale; Ranger and Colorado are roughly comparable.
Price
Colorado starts low $30s (WT). Ranger starts low $30s (XL). Loaded: Ranger Lariat mid-$50s. Colorado ZR2 mid-$50s. Halo: Ranger Raptor mid-$60s. Colorado ZR2 Bison mid-$60s. Comparable ladders.
How to decide
Pick Ranger for: engine variety (especially V6 EcoBoost mid-tier), Raptor desert spec, BlueCruise. Pick Colorado for: simpler lineup (one Turbomax across most trims), ZR2 / Bison rock-crawling, Super Cruise. Eugenio at Sunrise Ford handles the Ranger side.