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2011 Freightliner S2 106 Overview, Reviews, Ratings & Specs

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Cathleen V | November 3, 2025
The 2011 Freightliner S2 106 is a versatile Class 7 commercial truck, built by Freightliner Custom Chassis Corporation. Primarily known for its robust chassis, it served as a popular base for various body styles, including dry vans, box trucks, dump trucks, and shuttle buses. Its model years span a considerable period, with the 2011 iteration being part of a well-established lineage. Key trims often related to vocational applications rather than luxury features. Its popularity stems from its exceptional durability, customizability, and reliable performance for demanding work applications, making it a workhorse in many industries.
The Good

The 2011 Freightliner S2 106 excels in raw performance for its class and offers legendary reliability, instilling confidence for business owners. Its durable construction provides peace of mind. While not a luxury vehicle, its functional design prioritizes operator comfort for long hours, delivering exceptional value through its longevity and low cost of ownership.

The Bad

Potential weaknesses for the 2011 Freightliner S2 106 often revolve around its utilitarian focus; buyers might find its interior spartan compared to more premium offerings. Older models can experience wear and tear on components, requiring diligent maintenance. Some users report occasional issues with exhaust systems or specific electronic sensors.

2011 Freightliner S2 106: Quick Overview

  • Engine Options: The 2011 Freightliner S2 106 was typically offered with robust diesel engines designed for commercial use. Common options included:
    • Cummins ISB Series: This was a widely popular and reliable engine family for the S2 106, offering various displacements and power ratings.
    • Detroit Diesel Series 60: While less common in the S2 106 compared to larger Freightliner models, it was sometimes an option for heavier-duty configurations.
    • PACCAR PX-6: Another strong diesel option known for its durability and performance in vocational applications.
  • Horsepower: Horsepower varied significantly based on the specific engine and configuration. Generally, these engines ranged from approximately 200 horsepower to over 350 horsepower. For example, a Cummins ISB could be optioned in power outputs such as 220 hp, 240 hp, 260 hp, and higher.
  • Fuel Economy: Fuel economy for a commercial vehicle like the S2 106 is highly dependent on the engine, transmission, load, driving conditions, and body style. Unlike passenger cars, specific MPG figures are not generally published or directly comparable. However, these diesel engines are designed for efficiency under load, with owners often reporting ranges anywhere from 5-10 miles per gallon in typical heavy-duty operation.
  • 0-60 Times: 0-60 mph acceleration times are not a standard metric for this type of commercial truck and are largely irrelevant to its intended use. When equipped, these trucks are geared for torque and pulling power, not rapid acceleration.
  • Towing Capacity: The towing capacity of the 2011 Freightliner S2 106 is determined by its Gross Vehicle Weight Rating (GVWR), Gross Combined Weight Rating (GCWR), axle configurations, and chassis specifications. Depending on the build, these trucks can be configured to tow substantial loads, often ranging from 20,000 lbs to over 30,000 lbs for specialized towing applications.
  • Trim-Level Features: The S2 106 is a chassis cab, meaning its primary features are related to the chassis, powertrain, and driver's cab functionality. Trim levels are less about luxury and more about vocational suitability and comfort for the driver. Standard features would include:
    • Durable, functional interior materials.
    • Adjustable driver's seat and steering wheel.
    • Basic instrumentation and controls.
    • Hydraulic disc brakes.
    • Power steering.
    • Various wheelbase options.
    • Optional features could include upgraded air conditioning, power windows/locks, upgraded seating, auxiliary fuel tanks, and specialized PTO (Power Take-Off) options for various vocational bodies.

2011 Freightliner S2 106 Specifications

Vehicle Information
Year 2011
Make Freightliner
Model S2 106
Trim -
Style -
Type Truck
Category Heavy Truck
Manufacturing Details
Made In United States
Manufacturing City GAFFNEY
Dimensions
Doors -
Curb Weight -
Gross Vehicle Weight Rating -
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 6.7L I6
Engine Size 6.7L
Engine Cylinders 6
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 2011 Freightliner S2 106 Have?

The 2011 Freightliner S2 106, being a commercial vehicle, is built for durability, but like any machine, it can experience issues over time. Frequent reports often center on components that see heavy use. One area that can require attention is the exhaust gas recirculation (EGR) system. These systems can become clogged with soot over time, leading to reduced engine performance and potential fault codes. Proper maintenance and occasional cleaning are crucial. Another area to watch for, especially in older trucks, is the fuel system. Injectors and fuel pumps can wear out, requiring replacement. Owners have also occasionally reported issues with DPF (Diesel Particulate Filter) regeneration, which is common in diesel engines of this era designed to meet emissions standards. Ensuring regular maintenance and proper driving cycles can help mitigate these issues. Electrical gremlins, though less frequent, can also surface, such as problems with sensors, wiring harnesses, or the dashboard displays, particularly if the truck has been subjected to harsh conditions or extensive aftermarket modifications. Recalls for the 2011 model year, while not exceptionally numerous, would typically focus on safety-related items. These could include issues with braking systems, steering components, or specific electrical harnesses. It is always advisable for owners to check the National Highway Traffic Safety Administration (NHTSA) database for any outstanding recalls for their specific VIN. In terms of long-term reliability, the S2 106 generally has a strong reputation, primarily due to its robust chassis and powertrain options. However, the lifespan and reliability are heavily influenced by the quality and consistency of maintenance. Trucks used in extreme vocational applications (e.g., construction sites, heavy hauling) may experience more wear and tear than those used for lighter duties like shuttle services or local deliveries. Key to long-term success is proactive maintenance, addressing minor issues before they become major problems, and using quality replacement parts.

How long will the 2011 Freightliner S2 106 last?

The 2011 Freightliner S2 106 is designed for substantial longevity. With diligent maintenance, including regular oil changes, fluid checks, and component inspections, these trucks can easily exceed 300,000 to 500,000 miles of service. Many owners report achieving well over a million miles on the powertrain with proper care. The core chassis and frame are exceptionally durable, often outlasting other vehicle components. Weaknesses that emerge over time are typically related to wear and tear on auxiliary systems like suspension components, brake wear, and exhaust systems, especially under heavy use. The diesel engines themselves are known for their robust design, but components like fuel injectors and turbochargers may require eventual replacement. Overall, the long-term durability is a significant selling point, with the vehicle's lifespan being primarily limited by its maintenance history rather than inherent design flaws.

What Technology & Safety Features are Included?

The 2011 Freightliner S2 106, being a commercial-grade chassis, prioritizes functionality and durability over advanced infotainment or luxury tech found in passenger vehicles. Its built-in technology is primarily focused on operational efficiency and driver support. Standard features in the driver's cab typically include a functionalinstrument cluster with essential gauges for engine status, speed, and fuel levels. The primary entertainment system is usually a basic AM/FM radio with an auxiliary input for MP3 players, reflecting the utilitarian nature of the vehicle. Modern connectivity options like Bluetooth or touchscreens were generally not standard and would only be found in aftermarket installations or highly optioned vehicles. Driver-assistance features are also quite limited on standard models. While advanced systems like lane departure warning or adaptive cruise control were not common, the S2 106 would typically come equipped with power steering for ease of maneuverability and anti-lock braking systems (ABS) for enhanced safety during braking. The braking system itself, typically hydraulic disc brakes, is designed for robust stopping power under heavy loads. Safety features are primarily focused on structural integrity and essential operational controls. The robust chassis and cab construction provide a strong safety cell for occupants. Air conditioning and heating systems are standard to ensure driver comfort, which indirectly contributes to safety by reducing fatigue. Optional features could include upgraded driver seats with enhanced lumbar support and air suspension, further improving comfort on long hauls. Some vocational configurations might have had integrated warning lights or specialized communication systems. Specific crash-test ratings for commercial chassis cabs like the S2 106 are not typically published by agencies like the NHTSA in the same way as passenger cars, as their design and intended use differ significantly. However, Freightliner vehicles are engineered to meet stringent federal motor vehicle safety standards (FMVSS) for commercial vehicles, focusing on occupant protection in rollovers and frontal impacts based on their operational context.

What Colors Options are Available?

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2011 Freightliner S2 106 Prices and Market Value

When new, the 2011 Freightliner S2 106 had a base price that could start anywhere from approximately $70,000 to $100,000+, depending heavily on the specific engine, transmission, chassis configuration, and any vocational body or upfitting chosen. The actual price would escalate significantly with specialized equipment. Currently, the used market prices for a 2011 Freightliner S2 106 vary greatly based on mileage, condition, engine type, and the type of body or conversion it has. You can find examples ranging from $20,000 to $60,000+. These trucks exhibit a slower depreciation rate than light-duty vehicles, especially those well-maintained and with desirable configurations. Factors affecting resale value include the reputation of the specific engine (e.g., Cummins), transmission type (automatic generally preferred), overall maintenance records, chassis condition (rust is a major concern), and the usability of the existing body or conversion for a new owner. Trucks with specialized vocational bodies may be harder to sell if the body isn't in demand.

2011 Freightliner S2 106 Cost of Ownership

Owning a 2011 Freightliner S2 106 involves significant, but often manageable, costs. Insurance premiums will be higher than for passenger cars due to its commercial nature and replacement value. Fuel costs are substantial, relying on diesel, with consumption varying greatly by load and usage. Maintenance is paramount; while regular oil changes and checks are necessary, larger components like brakes, tires, and potential engine system repairs can be costly. However, the durability of the S2 106 often means fewer unexpected, major repairs compared to less robust vehicles. Overall, while the initial and ongoing costs are higher than for smaller vehicles, its long service life and ability to perform demanding tasks often make it an economical choice for businesses requiring reliable, heavy-duty transportation.

2011 Freightliner S2 106 Fuel Efficiency

Fuel Type Diesel
Fuel Capacity -
City Mileage -
Highway Mileage -

2011 Freightliner S2 106 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

2011 Freightliner S2 106 Insurance

Insurance for a 2011 Freightliner S2 106 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 2011 Freightliner S2 106 Compare to Other Truck?

The 2011 Freightliner S2 106 operates in the competitive Class 7 commercial truck segment, facing rivals like the International 4300/7400 series, Peterbilt 330/340, and Kenworth T170/T270.

Performance: In terms of raw performance, the S2 106 is generally on par with its competitors. Its choice of robust diesel engines (Cummins, PACCAR, Detroit) provides ample torque and power for vocational tasks. International trucks often offer similar engine choices, while Peterbilt and Kenworth are known for their strong powertrains and durability, often perceived as slightly more premium.

Features: When it comes to features, the S2 106 is a utilitarian chassis. Its focus is on functionality, not luxury. Standard equipment is basic, with comfort and technology features being optional or requiring aftermarket installation. Competitors like International might offer slightly more refined interiors in some trims, while Peterbilt and Kenworth, though also focused on work, can sometimes offer a slightly more comfortable and ergonomically designed cabin, depending on the specific model and options.

Reliability: Freightliner has a strong reputation for reliability, and the S2 106 is a testament to this. Its robust build quality and proven engine options contribute to its longevity. International trucks also have a generally good reliability record, though some model years or specific components have faced more scrutiny than Freightliner. Peterbilt and Kenworth are renowned for their exceptional build quality and durability, often considered benchmarks in the industry, leading to slightly higher resale values due to this reputation.

Price: The pricing of these trucks, especially used, is highly competitive. The 2011 S2 106 typically offered a very strong value proposition, balancing capability and cost effectively. International trucks often compete closely on price. Peterbilt and Kenworth, while excellent vehicles, sometimes command a slightly higher price due to their brand prestige and perceived higher build quality.

Alternatives:
  • Similar: The International 4300/4400 series (or similar model years) is a very direct competitor, offering a comparable range of powertrains and vocational applications. The Hino 155/195 (though typically Class 5/6) might be considered for lighter-duty applications where slightly more refined features are desired but still in a commercial chassis.
  • Better (depending on needs): For buyers prioritizing ultimate durability and potentially a more refined driver experience, a comparable Peterbilt 330/340 or Kenworth T170/T270 from the same era could be considered, though they might be at a higher price point. If fuel efficiency and a more modern cabin are paramount in a lighter Class 7 truck, exploring newer models or alternative brands like Isuzu or Mitsubishi Fuso might be worthwhile, though they often have different chassis designs and powertrain philosophies.

Final Verdict: Is the 2011 Freightliner S2 106 a Good Truck?

The 2011 Freightliner S2 106 is ideally suited for small to medium-sized businesses and individual operators who require a dependable, versatile, and cost-effective workhorse. It's perfect for applications like local delivery, towing, specialty trades (plumbing, electrical, construction), or as a chassis for shuttle buses and RV conversions.

It is absolutely worth buying, especially in the used market, provided it has been well-maintained. Its value lies in its robust construction, proven reliability, and the immense flexibility it offers for various vocational upfits. Buyers should prioritize vehicles with thorough maintenance records.

Purchasing used is generally the more economical route. Look for models with reputable engine options like Cummins. While new would offer the latest technology and pristine condition, the depreciation means a well-inspected 2011 model offers superior value for the investment. Focus on the condition of the chassis, powertrain, and essential operational systems rather than non-essential creature comforts.

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Cathleen V

Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.