Search new and used semi trucks for sale in Colorado from commercial truck dealers across the state. TruckRadar.AI aggregates listings from dealerships in Denver, Colorado Springs, Fort Collins, Pueblo, and throughout Colorado. Denver is the primary commercial truck market in the Rocky Mountain region, serving as a distribution hub for the entire western interior. Colorado's mountain freight corridors create strong demand for spec'd-out sleepers and vocational trucks built for steep grades.
Browse semi trucks for sale, sleeper trucks, day cab trucks, flatbed trucks, dump trucks, and cab & chassis trucks from dealers across Colorado.
Long-haul carriers from Kenworth, Freightliner, Peterbilt, Volvo, and Mack power the nation's freight. Browse the national catalog of semi trucks for sale across all makes and configurations.
OTR drivers need a rolling office with room to rest. Our full selection of sleeper trucks spans 72"–80" cabs in raised roof, mid roof, and flat top configurations.
Regional and pickup-and-delivery fleets run lean on a tractor without a bunk. Browse day cab trucks — twin-screw 6×4 tractors spec'd for high-cycle regional duty.
Building materials, steel, and machinery all ride flat. The national inventory of flatbed trucks covers Class 6 and Class 8 platforms from dealers across all 50 states.
Site work, road building, and aggregate hauling call for steel beds and big capacity. Find dump trucks in single axle, tandem axle, and tri-axle configurations nationwide.
Last-mile logistics and local delivery depend on a straight truck with a walk-in body. Browse box trucks — Class 4–7 straight trucks with 16-ft to 26-ft cargo bodies.
Service contractors and upfitters start with a bare platform. See all cab & chassis trucks — single and tandem axle configurations ready for utility bodies and service beds.
Cold chain and perishable freight require maintained temperature from dock to dock. Browse reefer trucks with Thermo King and Carrier refrigeration units from dealers nationwide.
Browse semi trucks for sale from dealers across Colorado. Every listing links directly to the selling dealer.
Owner-operators in Colorado can finance new and used semi trucks through dealer financing programs, commercial lenders, and SBA loans. Most Colorado dealers offer in-house financing with flexible down payments and terms from 36 to 84 months. CDL license and at least one year of trucking experience typically required.
Financing a Kenworth T680, Freightliner Cascadia, or Peterbilt 579 in Coloradois available through banks, credit unions, and specialty commercial lenders. Rates depend on credit score, down payment, and the truck's age and mileage. Detroit and Cummins engine trucks hold strong resale value and often qualify for better loan terms.
Fleet buyers in Colorado can access equipment financing lines of credit for purchasing multiple trucks. Whether you need a single day cab tractor or a full fleet of sleeper trucks in stock, dealers across Colorado offer volume pricing and dedicated fleet financing programs. Contact dealers directly through each listing.
Colorado's commercial truck dealer market is centered in the Denver metro, particularly Commerce City and the I-70 commercial corridor. Bruckner Truck Sales (Commerce City), MHC Kenworth, Colorado Kenworth, Peterson Trucks, and Freightliner and Peterbilt franchise dealers serve the Front Range. Colorado Springs and Pueblo have additional dealer coverage for the southern corridor.
Yes. Colorado mountain routes including I-70 through the Eisenhower Tunnel and US-550 require trucks with adequate horsepower and Jake brake capability for grades exceeding 6–7%. Engine brake restrictions apply in some mountain corridors. Chains may be required seasonally. When spec'ing a truck for Colorado mountain operations, prioritize engine torque ratings, transmission gear ratios, and exhaust brake systems.
Kenworth, Freightliner, Peterbilt, and Mack are the most commonly sold commercial truck brands in Colorado. Bruckner Truck Sales is one of the largest commercial truck dealers in the state with full-service capabilities for multiple brands. Vocational trucks — dump trucks, mixers, and flatbeds — make up a significant share of Colorado's commercial truck market due to construction activity.
Colorado follows federal Interstate weight limits of 80,000 lbs GVW on Interstates. Colorado has some of the most complex weight and oversize permit requirements in the country for mountain routes — permits are issued through CDOT at cotrip.org. Some mountain passes have additional axle weight and combination length restrictions.
Yes. Denver is the largest commercial truck market in the Rocky Mountain region with active used inventory from Ryder, Penske, fleet remarketing sources, and franchise dealers. Bruckner's Commerce City location is one of the highest-volume used commercial truck dealers in Colorado. TruckRadar.AI aggregates all Denver-area listings in one place.
TruckRadar.Ai aggregates semi trucks for sale from dealers across Colorado into one searchable platform. Whether you're an owner-operator looking for a Kenworth T680 or Freightliner Cascadia, a fleet manager sourcing day cab tractors in CO, or a contractor searching for a Peterbilt 389 or Kenworth W900L, our inventory covers the full range of Class 3-8 trucks available in the state.
Kenworth is one of the most popular semi truck brands among Colorado owner-operators and fleets. The Kenworth T680 is the top-selling Class 8 sleeper in the state, available with the PACCAR MX-13 engine. The Kenworth T680 Next Gen offers industry-leading fuel economy for long-haul routes. For vocational work in Colorado, the T880 and W900L are common choices for dump trucks, mixer trucks, and heavy-haul applications. Browse current Kenworth inventory in stock from Colorado dealers.
Freightliner is the best-selling commercial truck brand in Colorado and across North America. The Freightliner Cascadia — powered by the Detroit DD15 engine with the DT12 automated transmission — dominates the over-the-road and regional haul market. The Freightliner M2 106 is a top choice for local delivery, service work, and vocational applications in CO. Search used Freightliner Cascadia and M2 trucks for sale in Colorado from our dealer network.
Peterbilt trucks are a premium choice for Colorado owner-operators. The Peterbilt 579 sleeper with PACCAR MX-13 or Cummins X15 engine is ideal for OTR routes through and out of Colorado. The Peterbilt 389 remains a favorite for its classic styling and durability. Volvo VNL trucks are popular with fleets for their mid-roof sleeper options and D13 engine fuel efficiency. Find Peterbilt and Volvo trucks for sale in Colorado across our dealer listings.
Trucks for sale in Colorado cover all major engine options: Detroit Diesel DD15 and DD13 (Freightliner), Cummins X15 and X12 (Peterbilt, Kenworth, International, Mack), PACCAR MX-13 and MX-11 (Kenworth, Peterbilt), Volvo D13 (Volvo VNL, VNR), and Mack MP8 (Mack Anthem, Pinnacle). Use our engine filter to find trucks by engine make and model. Detroit and Cummins engines are the most widely available in CO dealer inventory.
All truck listings on TruckRadar.Ai include VIN, year, mileage, engine specs, photos, and direct dealer contact information. Use our AI-powered search to find exactly what you need — type "used Freightliner Cascadia under $70k in Colorado" or "Kenworth T680 sleeper with Detroit engine near Colorado" for instant, accurate results. Financing options are available through most Colorado dealers listed on our platform.
New to buying a semi truck?
Our buying guide covers Class 8 specs, what to inspect, financing, and more.
11/14, 30-min, 34-hour restart



































Diesel · weekly
$5.493/gal
$0.03 below the national average
Regional estimate (PADD)
Data: EIA · BLS