Key Numbers
- Properly equipped 2.7L Colorado with trailering package: up to 7,700 lbs.
- Regular ZR2: up to 6,000 lbs when properly equipped; ZR2 Bison: up to 5,500 lbs.
- 350 hp and 450 lb-ft across the six-model Colorado lineup.
- Maximum tongue weight with trailering package: 770 pounds; GCWR: 13,250 pounds.
For a boat owner near Malvern or Arkadelphia, a 2027 Colorado with the trailering package is the strongest starting point in the Colorado lineup. It pairs a 7,700-lb properly equipped trailer rating with a Crew Cab that seats five. The 350-hp TurboMax and 8-speed automatic handle the drive; the package, hitch and loaded weights determine the trailer limits.
Lake Hamilton put the same truck through several jobs in one day: the road to the water, the ramp, the parking area and the drive home. A Trail Boss adds factory rough-road equipment to that routine. ZR2 adds more specialized suspension hardware, with its own lower trailer rating. The 2027 Colorado research hub connects the model choices behind those different jobs.
The trailering package is the first boat-owner decision
GM lists two different 2.7L trailer limits. Without the trailering package, a properly equipped Colorado is rated for up to 3,500 lbs. With the package and proper equipment, the maximum reaches 7,700 lbs. The combined truck-and-trailer limit rises from 9,100 to 13,250 pounds, and maximum tongue weight rises from 350 to 770 pounds.
That difference changes which boats and trailers fit the truck’s published limits. A truck carrying the right package has a higher rating because the whole specified towing setup matters. The Colorado trailering-package limits pair 7,700 lbs of trailer weight with a 770-pound tongue maximum in GM’s 2027 trailer towing supplement.
The loaded boat and trailer travel as one weight
The trailer’s total includes the boat, trailer, engine, fuel and equipment carried on the trailer. The truck separately carries people, bags, coolers, hitch hardware and the downward load at the trailer tongue. Those are simultaneous loads, even when the bed still has empty space.
For an illustration, a loaded boat and trailer weighing 5,000 pounds with a 500-pound tongue load places that 500 pounds on the truck. A hypothetical 450 pounds of people and 150 pounds of truck cargo bring the load carried by the truck to 1,100 pounds before additional hitch or accessory weight. These are arithmetic examples, not weights assigned to a particular boat.
| Illustrative truck load | Hypothetical weight |
|---|---|
| Trailer tongue | 500 pounds |
| People | 450 pounds |
| Truck cargo | 150 pounds |
| Total before additional hitch/accessories | 1,100 pounds |
The Tire and Loading Information label carries the occupant-and-cargo limit used for people, equipment and trailer tongue weight. The receiver and tongue limits apply alongside that capacity. Colorado bed and cabin dimensions include a five-seat Crew Cab and 41.9 cubic feet of cargo volume; the truck’s load label applies to the weight of people and equipment.
Trail Boss fits a mixed road-and-ramp truck
Trail Boss starts at $41,600 MSRP before destination and fees. Its 2-inch factory lift, 32-inch all-terrain tires and two-speed auto transfer case put rough-road equipment together without changing the engine. It uses the same 350 hp and 450 lb-ft as WT, Custom, LT, Z71 and ZR2.
For a Colorado that also spends time on rougher access roads, that factory combination has a clear purpose. Its all-terrain tires serve a different use from the ZR2’s mud-terrain tires. A package-equipped Colorado’s towing ability still follows GM’s published equipment and load limits; the lift itself is not a higher trailer rating.
LT is another useful boat-owner choice when remote start and tailgate storage matter in everyday use. LT starts at $36,900 before destination and fees and includes StowFlex storage. The Colorado trims and pricing comparison separates those convenience features from Trail Boss’s suspension and transfer-case hardware.
ZR2 and Bison bring separate trailer limits
ZR2’s 3-inch factory lift, 33-inch mud-terrain tires and Multimatic DSSV dampers suit the buyer seeking specialized off-road suspension. Its properly equipped trailer maximum is 6,000 lbs, with a 600-pound tongue maximum. ZR2 Bison has its own 5,500-lb trailer maximum and 550-pound tongue maximum.
Both use an 11,600-pound gross combined weight rating. Bison adds 35-inch tires, jounce control dampers and skid-plate equipment. A boat owner choosing either truck is buying that terrain hardware while keeping its separate trailer limit. The Trail Boss versus ZR2 comparison places suspension, price and fuel economy beside those towing differences.
A towing trip also includes highway miles and parking
An 11.3-inch touchscreen and 11-inch digital driver display are standard on every Colorado. Available trailering-app functions and camera views add trailer information and visibility around the truck. Up to ten available views serve several tasks; available rear and surround views are especially relevant to maneuvering a truck-and-trailer combination.
The Crew Cab seats up to five, and the bed supplies 41.9 cubic feet of cargo volume. Chevrolet lists overall length at 214 inches and width including mirrors at 84.4 inches. On a trip through Benton and Little Rock, those truck dimensions remain part of the everyday side of ownership after the boat is parked.
The EPA rates Colorado 4WD at 19 mpg combined and ZR2 4WD at 17 mpg combined; Bison has a separate 15-mpg figure. These EPA ratings describe their test configurations. A trailer changes load and drag, so the test-cycle number is separate from a fuel estimate for a particular towing trip.
Frequent boat towing belongs on the severe-service schedule
Frequent boat towing puts the Colorado on GM’s severe-service schedule. The 2027 manual lists transmission-fluid service at 45,000 miles under that schedule and transfer-case fluid at 50,000 miles for applicable four-wheel-drive trucks. Tire rotations remain on a 7,500-mile schedule.
The TurboMax uses dexos1-approved full synthetic SAE 0W-30, with approximately 6.0 quarts including the filter. Oil changes follow the Oil Life System, with oil and filter changed at least once annually. The Colorado maintenance and service schedule includes the normal and severe intervals, while the Colorado buying and ownership FAQs answers related equipment questions.
Boat-owner questions about the Colorado
Which Colorado rating matters for a 6,500-pound loaded boat trailer?
A 6,500-pound loaded trailer exceeds the 6,000-lb ZR2 and 5,500-lb Bison trailer maxima. The properly equipped 2.7L Colorado with the trailering package has a 7,700-lb trailer maximum. Tongue weight, truck payload and the 13,250-pound combined limit still apply alongside that trailer rating.
Does a 5,000-pound boat trailer put all its weight on the truck?
The trailer’s wheels carry much of the trailer load, while tongue weight loads the truck at the hitch. In a hypothetical 5,000-pound trailer example with a 500-pound tongue, that 500 pounds uses truck load capacity. Passengers, bed cargo and hitch hardware also contribute to the truck’s carried load.
What hitch rule applies above 6,000 pounds of trailer weight?
GM’s 2027 towing supplement requires a weight-distributing hitch above 6,000 pounds of trailer weight. It lists that equipment as optional at or below 6,000 pounds. Receiver, tongue, truck, axle and combined-weight limits continue to apply together, including the package-equipped Colorado’s 770-pound maximum tongue weight.
What makes Trail Boss relevant to a boat owner?
Trail Boss combines a 2-inch factory lift, 32-inch all-terrain tires and a two-speed auto transfer case. That hardware suits a truck handling pavement and rougher access roads. It retains the lineup’s 350-hp TurboMax, while the properly equipped 2.7L trailering-package configuration provides the Colorado’s highest 7,700-lb trailer rating.
Where can Malvern and Arkadelphia boat owners shop Colorado trucks?
Allen Tillery Auto Chevrolet sells Colorado trucks at 4573 Central Ave and serves buyers from Malvern and Arkadelphia. Our Chevrolet team provides model inventory, financing and service through the dealership. The family-owned store dates to 1967, with vehicle and service inquiries handled at (501) 881-4274.
Allen Tillery Auto Chevrolet is at 4573 Central Ave. Shop Colorado inventory or explore financing with our Chevrolet team at (501) 881-4274.
By Allen Tillery Auto Chevrolet