The 2021 Freightliner MT45 is a robust medium-duty truck, a staple in the commercial vehicle landscape, often produced from the early 2000s to the present. Primarily available as a chassis cab, it's designed for upfitting with a wide array of body styles, including box trucks, delivery vans, and service bodies. Its popularity stems from its legendary durability, versatility, and proven performance in demanding vocational applications. Pricing for a new MT45 can vary significantly based on configuration but generally falls within the commercial vehicle segment, often starting in the $60,000s and extending upwards.
The Good
The 2021 Freightliner MT45 excels in sheer toughness and operational reliability, providing peace of mind for businesses. Its adaptable platform offers incredible value, while the straightforward design prioritizes functionality and ease of maintenance, appealing to practical buyers. Emotionally, its commanding presence and ability to tackle demanding jobs inspire confidence.
The Bad
While exceptionally durable, potential buyers should watch out for the MT45's utilitarian interior, which can be spartan and lack modern creature comforts. Fuel economy may not be competitive with lighter-duty vehicles, and its large turning radius can make maneuverability in tight urban environments a challenge.
2021 Freightliner MT45: Quick Overview
- Engine Options: The 2021 Freightliner MT45 typically offered a choice between two robust diesel engines:
- Cummins ISB 6.7L I6 Diesel
- Detroit Diesel DD8 7.7L I6 Diesel
- Horsepower:
- Cummins ISB 6.7L: Ranging from approximately 200 hp to 260 hp.
- Detroit Diesel DD8: Generally providing around 260 hp to 300 hp.
- Torque: Both engines deliver substantial torque, crucial for heavy loads, often exceeding 600 lb-ft and reaching up to 860 lb-ft for the DD8.
- Fuel Economy: Specific MPG figures are highly variable due to the truck's weight, load, driving conditions, and body style. However, expect a range in the single digits or low teens (e.g., 8-12 MPG) for mixed city/highway driving with a loaded body.
- 0-60 Times: As a commercial vehicle designed for utility rather than speed, 0-60 mph times are not a standard metric. Acceleration is geared towards hauling capacity and will be considerably slower than passenger vehicles, likely in the 20-30+ second range when fully loaded.
- Towing Capacity: The towing capacity is highly dependent on the specific chassis configuration, rear axle ratio, and any installed towing equipment. Freightliner's chassis are designed for significant towing, often ranging from 10,000 lbs to well over 20,000 lbs Gross Combined Weight Rating (GCWR), depending on the build.
- Trim-Level Features: The MT45 is less about traditional trim levels and more about configurable chassis specifications. Standard features focus on functionality and driver operation. Key aspects include:
- Heavy-duty frame and suspension components designed for vocational use.
- Standard air brakes or hydraulic brake systems depending on GVWR.
- Power steering and tilt steering column for driver comfort.
- Basic instrumentation and controls centered on operational efficiency.
- Optional features often include enhanced HVAC systems, upgraded driver's seats, auxiliary power outlets, and specific PTO (Power Take-Off) provisions for operating auxiliary equipment.
- Body builder provisions: The chassis is designed with extensive pre-drilled holes and mounting points to facilitate the installation of various custom bodies by upfitters.
2021 Freightliner MT45 Specifications
Vehicle Information
| Year | 2021 |
| Make | Freightliner |
| Model | MT45 |
| Trim | - |
| Style | 18 Box |
| Type | Truck |
| Category | Passenger Van |
Manufacturing Details
| Made In | United States |
| Manufacturing City | GAFFNEY |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | 19500 pounds |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | TQS |
| Engine Size | 6L |
| Engine Cylinders | 8 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | Rear-Wheel Drive |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 2021 Freightliner MT45 Have?
The 2021 Freightliner MT45, like many commercial vehicles, is built for longevity, and major systemic failures are uncommon with proper maintenance. However, as with any vehicle, certain components can experience wear and tear. One area that sometimes arises in discussions among owners of similar vocational trucks is related to the exhaust aftertreatment system (DEF system), particularly in diesel engines. Issues can include sensor failures, clogging of filters, or malfunctioning pumps, leading to warning lights and reduced engine performance. These are often tied to the complex emissions controls required by modern standards and can be influenced by driving cycles (e.g., frequent short trips versus long-haul).
Another point to consider, though not exclusive to the 2021 model year, involves the electrical system. Owners might report intermittent issues with interior lighting, dashboard warning lights, or accessory malfunctions. These can stem from loose connections, corrosion on terminals, or failing relays, especially in vehicles subjected to harsh operating environments or frequent use of auxiliary electrical equipment.
Regarding recalls, for any specific model year, it is crucial to consult the National Highway Traffic Safety Administration (NHTSA) database. Freightliner, as a major manufacturer, issues recalls as needed to address safety defects. For the 2021 MT45, potential recalls could involve anything from brake system components to minor electrical issues. Without specific recall data for this exact model year readily available, general advice is to check the VIN for any outstanding campaigns.
Long-term reliability is generally a strong suit for the MT45. Its construction is designed to withstand significant use. However, the lifespan of certain wear items, such as suspension bushings, brake pads, and engine/transmission fluids, will depend heavily on the maintenance schedule followed and the severity of the operational conditions. Owners who adhere to recommended service intervals and address minor issues promptly tend to experience fewer significant problems over the years. The robustness of the chassis and powertrain is a key reason for its popularity in vocational applications where breakdowns are costly.
Another point to consider, though not exclusive to the 2021 model year, involves the electrical system. Owners might report intermittent issues with interior lighting, dashboard warning lights, or accessory malfunctions. These can stem from loose connections, corrosion on terminals, or failing relays, especially in vehicles subjected to harsh operating environments or frequent use of auxiliary electrical equipment.
Regarding recalls, for any specific model year, it is crucial to consult the National Highway Traffic Safety Administration (NHTSA) database. Freightliner, as a major manufacturer, issues recalls as needed to address safety defects. For the 2021 MT45, potential recalls could involve anything from brake system components to minor electrical issues. Without specific recall data for this exact model year readily available, general advice is to check the VIN for any outstanding campaigns.
Long-term reliability is generally a strong suit for the MT45. Its construction is designed to withstand significant use. However, the lifespan of certain wear items, such as suspension bushings, brake pads, and engine/transmission fluids, will depend heavily on the maintenance schedule followed and the severity of the operational conditions. Owners who adhere to recommended service intervals and address minor issues promptly tend to experience fewer significant problems over the years. The robustness of the chassis and powertrain is a key reason for its popularity in vocational applications where breakdowns are costly.
How long will the 2021 Freightliner MT45 last?
The 2021 Freightliner MT45 is engineered for substantial service life. With diligent maintenance, including regular oil changes, fluid checks, and adherence to manufacturer-recommended service intervals, these trucks can commonly see upwards of 300,000 to 500,000 miles, and even more in less demanding applications. Many are used in daily commercial operations, accumulating 40,000 to 60,000 miles per year. The primary powertrain components (engine and transmission) are built for heavy-duty use and are known for their durability. Weaknesses that might emerge over time are typically related to wear-and-tear items such as suspension components, brake systems, and exhaust aftertreatment systems (especially on diesel variants), rather than fundamental design flaws. Proper undercoating and rust prevention are also crucial for longevity in corrosive environments. Overall, the MT45 demonstrates exceptional long-term durability when properly cared for.
What Technology & Safety Features are Included?
The 2021 Freightliner MT45 prioritizes functionality and operational efficiency over cutting-edge technology and entertainment. As a commercial chassis, its built-in tech is geared towards the driver's tasks and vehicle monitoring. Standard features typically include a basic digital display for vehicle diagnostics, such as fuel level, mileage, and engine status indicators. An AM/FM radio is often standard, with optional upgrades to include auxiliary inputs or even a more integrated infotainment system with Bluetooth connectivity for hands-free calling and audio streaming.
Driver-assistance features are minimal by passenger vehicle standards but can include things like power windows and locks on some configurations, and a tilt and telescopic steering column for improved driver ergonomics. Advanced systems like adaptive cruise control, lane departure warning, or blind-spot monitoring are generally not available or offered as very specialized vocational add-ons.
Safety features focus on the essentials for a heavy-duty vehicle. Standard safety equipment includes robust seatbelts, hydraulic or air brakes designed for heavy loads, and powerful lighting systems. Depending on the Gross Vehicle Weight Rating (GVWR) and intended use, ABS (Anti-lock Braking System) is typically standard or a widely available option. Air brakes, when equipped, offer superior stopping power for the vehicle's weight class. Visibility is generally good due to the upright cabin design and large windows.
Crash-test ratings, in the traditional sense like those conducted by the IIHS or NHTSA for passenger cars, are not typically performed on commercial chassis cabs like the MT45. Its safety is assessed more through its structural integrity, braking performance, and adherence to commercial vehicle safety regulations. The chassis is built with heavy-duty materials designed to withstand significant stresses, providing inherent structural safety. Optional safety enhancements might include specialized lighting, backup alarms, and exterior cameras for enhanced situational awareness during operation.
Driver-assistance features are minimal by passenger vehicle standards but can include things like power windows and locks on some configurations, and a tilt and telescopic steering column for improved driver ergonomics. Advanced systems like adaptive cruise control, lane departure warning, or blind-spot monitoring are generally not available or offered as very specialized vocational add-ons.
Safety features focus on the essentials for a heavy-duty vehicle. Standard safety equipment includes robust seatbelts, hydraulic or air brakes designed for heavy loads, and powerful lighting systems. Depending on the Gross Vehicle Weight Rating (GVWR) and intended use, ABS (Anti-lock Braking System) is typically standard or a widely available option. Air brakes, when equipped, offer superior stopping power for the vehicle's weight class. Visibility is generally good due to the upright cabin design and large windows.
Crash-test ratings, in the traditional sense like those conducted by the IIHS or NHTSA for passenger cars, are not typically performed on commercial chassis cabs like the MT45. Its safety is assessed more through its structural integrity, braking performance, and adherence to commercial vehicle safety regulations. The chassis is built with heavy-duty materials designed to withstand significant stresses, providing inherent structural safety. Optional safety enhancements might include specialized lighting, backup alarms, and exterior cameras for enhanced situational awareness during operation.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
2021 Freightliner MT45 Prices and Market Value
When new, the 2021 Freightliner MT45 chassis cab typically started in the range of $60,000 to $80,000, but this figure escalates significantly depending on the chosen engine, transmission, wheelbase, and any factory-installed options. The final price after being upfitted with a specific body (e.g., a box truck, refrigerated unit, or service body) could easily reach $90,000 to $150,000 or more.
On the used market, the 2021 MT45 can currently be found in a wide price spectrum. Expect prices to range from approximately $40,000 to $70,000 for a chassis cab, with prices for complete vehicles (box trucks, etc.) varying widely based on age, condition, mileage, and the specific body type. Depreciation is generally moderate for these workhorses, especially compared to light-duty vehicles. Their inherent durability and continued demand in commercial fleets contribute to strong resale value. Factors affecting resale include overall mileage, maintenance history, the condition of the chassis and body, tire wear, and the presence of desirable upfits. Well-maintained units with lower mileage tend to hold their value best.
On the used market, the 2021 MT45 can currently be found in a wide price spectrum. Expect prices to range from approximately $40,000 to $70,000 for a chassis cab, with prices for complete vehicles (box trucks, etc.) varying widely based on age, condition, mileage, and the specific body type. Depreciation is generally moderate for these workhorses, especially compared to light-duty vehicles. Their inherent durability and continued demand in commercial fleets contribute to strong resale value. Factors affecting resale include overall mileage, maintenance history, the condition of the chassis and body, tire wear, and the presence of desirable upfits. Well-maintained units with lower mileage tend to hold their value best.
2021 Freightliner MT45 Cost of Ownership
Owning a 2021 Freightliner MT45 involves significant costs, making it generally more costly to own than a standard van or pickup. Insurance premiums will be higher due to its commercial nature and higher replacement value. Fuel costs, while improving with modern diesel engines, are still substantial given its weight and typical operational use, with MPG in the single to low double digits. Maintenance is critical; expect regular oil changes, filter replacements, and more frequent inspections. Repairs can be expensive, as parts and labor for heavy-duty trucks are pricier. Overall, while not economical in the traditional sense, the MT45 offers strong value for its intended purpose, with its high cost of ownership offset by its durability and productivity.
2021 Freightliner MT45 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2021 Freightliner MT45 Warranty
Basic
Original warranty
0 months / No data
Estimated remaining
Expired
Powertrain
Original warranty
0 months / No data
Estimated remaining
Expired
Rust
Original warranty
0 months / No data
Estimated remaining
Expired
2021 Freightliner MT45 Insurance
Insurance for a 2021 Freightliner MT45 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2021 Freightliner MT45 Compare to Other Truck?
The 2021 Freightliner MT45 competes in the medium-duty commercial chassis segment, where its primary rivals include vehicles like the Isuzu F-Series, Hino 155/195, and sometimes the lower end of the Ford F-650/F-750 spectrum.
Performance: The MT45, often equipped with robust Cummins or Detroit Diesel engines, generally offers superior torque and hauling capability compared to lighter-duty trucks. Its performance is tuned for work, not speed. Isuzu and Hino offer strong diesel options as well, though Freightliner often has an edge in raw power and chassis robustness for the most demanding vocational tasks. The Ford F-650/F-750 can offer higher GVWRs and more powerful engine options, potentially exceeding the MT45 in pure grunt but at a higher price point.
Features: In terms of creature comforts and advanced technology, all these commercial chassis are relatively utilitarian. The MT45's interior is functional and durable, with basic amenities. Rivals like Isuzu and Hino might offer slightly more refined interiors in some configurations, but none truly compete with passenger vehicle luxury. The Ford F-650/F-750 may offer more premium interior options. Driver-assistance features are scarce across the board, with a focus on core safety like ABS and robust braking.
Reliability: Freightliner has a strong reputation for ruggedness and reliability, particularly with its diesel powertrains. The MT45 is built to last. Isuzu and Hino are also known for their reliability and often boast impressive warranty coverage. Ford's heavy-duty trucks are generally reliable but can sometimes have more varied owner experiences depending on the specific powertrain and configuration.
Price: The MT45 is competitively priced within its segment, offering excellent value for its capability and durability. Isuzu and Hino can sometimes be found at slightly lower price points, especially for comparable GVWRs. The Ford F-650/F-750 typically commands a higher price, reflecting its larger size and higher capacity potential.
Alternatives:
Performance: The MT45, often equipped with robust Cummins or Detroit Diesel engines, generally offers superior torque and hauling capability compared to lighter-duty trucks. Its performance is tuned for work, not speed. Isuzu and Hino offer strong diesel options as well, though Freightliner often has an edge in raw power and chassis robustness for the most demanding vocational tasks. The Ford F-650/F-750 can offer higher GVWRs and more powerful engine options, potentially exceeding the MT45 in pure grunt but at a higher price point.
Features: In terms of creature comforts and advanced technology, all these commercial chassis are relatively utilitarian. The MT45's interior is functional and durable, with basic amenities. Rivals like Isuzu and Hino might offer slightly more refined interiors in some configurations, but none truly compete with passenger vehicle luxury. The Ford F-650/F-750 may offer more premium interior options. Driver-assistance features are scarce across the board, with a focus on core safety like ABS and robust braking.
Reliability: Freightliner has a strong reputation for ruggedness and reliability, particularly with its diesel powertrains. The MT45 is built to last. Isuzu and Hino are also known for their reliability and often boast impressive warranty coverage. Ford's heavy-duty trucks are generally reliable but can sometimes have more varied owner experiences depending on the specific powertrain and configuration.
Price: The MT45 is competitively priced within its segment, offering excellent value for its capability and durability. Isuzu and Hino can sometimes be found at slightly lower price points, especially for comparable GVWRs. The Ford F-650/F-750 typically commands a higher price, reflecting its larger size and higher capacity potential.
Alternatives:
- For similar robustness and vocational focus: The Isuzu F-Series and Hino Trucks are excellent alternatives, often providing competitive reliability and potentially better fuel efficiency in some applications.
- For more power and higher GVWR needs: If significantly larger loads or heavier duty cycles are anticipated, the Ford F-650/F-750 might be a consideration, but be prepared for a higher acquisition cost.
- For simpler, lighter duty: For less demanding applications, a heavily built commercial van chassis (like a Ford E-Series or Ram ProMaster chassis cab) might suffice at a lower cost, but they lack the MT45's heavy-duty construction.
Final Verdict: Is the 2021 Freightliner MT45 a Good Truck?
The 2021 Freightliner MT45 is ideal for businesses and individuals requiring a highly durable, versatile, and capable medium-duty chassis for vocational applications. This includes delivery services, trades (plumbing, electrical, HVAC), specialized upfits (like service trucks, utility trucks, or even small RV conversions), and fleets that demand robust, long-lasting work vehicles. Its straightforward, no-nonsense design prioritizes reliability and operational efficiency over luxury.
Whether it's worth buying depends heavily on your specific needs. For heavy-duty, frequent use where downtime is costly, the MT45 is an excellent investment. It offers exceptional longevity and a strong return on investment through its durability. Buying used is often a smart move, as these trucks are built to last, and a well-maintained pre-owned MT45 can offer significant savings over a new one. When considering a used model, prioritize units with thorough maintenance records and inspect for signs of excessive wear or damage. For new purchases, focusing on the correct engine and chassis configuration for your intended upfit is paramount to maximizing its value and performance.
Whether it's worth buying depends heavily on your specific needs. For heavy-duty, frequent use where downtime is costly, the MT45 is an excellent investment. It offers exceptional longevity and a strong return on investment through its durability. Buying used is often a smart move, as these trucks are built to last, and a well-maintained pre-owned MT45 can offer significant savings over a new one. When considering a used model, prioritize units with thorough maintenance records and inspect for signs of excessive wear or damage. For new purchases, focusing on the correct engine and chassis configuration for your intended upfit is paramount to maximizing its value and performance.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.