The 1991 Ford F-350 Super Duty, part of the eighth-generation F-Series, was a robust and capable heavy-duty pickup truck. Produced from 1987 to 1991, key trims included the XL, XLT, and Lariat. Initially, its pricing ranged from approximately $18,000 to $28,000. Its popularity stemmed from its legendary durability, powerful engine options, and impressive towing and hauling capabilities, making it a workhorse for demanding tasks.
The Good
The 1991 F-350 Super Duty excels in raw power and unwavering reliability, appealing to those who demand performance and peace of mind. Its sturdy design evokes a sense of strength, while its functional interior offers practical comfort for long hauls. It represents exceptional value for its capability.
The Bad
Potential buyers should watch for rust, especially on the frame and body panels, common in older trucks. Transmission issues, particularly with automatic gearboxes under heavy load, can arise. Also, older fuel injection systems might require attention, and interior wear is expected in a vehicle of this age.
1991 Ford F-350 Super Duty: Quick Overview
- Engine Options:
- 7.5L (460 ci) V8 gasoline engine
- 7.3L (444 ci) IDI V8 diesel engine - Horsepower:
- 7.5L V8: Approximately 230 hp
- 7.3L IDI V8: Approximately 190 hp - Fuel Economy:
- Highly variable due to engine size, load, and driving conditions. Generally low, often in the 10-15 MPG range for gasoline and 12-18 MPG for diesel. - 0-60 Times:
- No official figures widely available for this era of heavy-duty trucks, but generally slow due to their weight and focus on torque rather than acceleration. Expect 12-15 seconds or more. - Towing Capacity:
- Extremely high, depending on configuration (e.g., 2WD/4WD, axle ratio, fifth-wheel/gooseneck hitch). Maximum capacities could exceed 10,000 lbs and approach 15,000+ lbs with appropriate setups. - Trim-Level Features:
- XL: Basic work truck package, vinyl seats, manual windows/locks, minimal amenities.
- XLT: More comfortable interior, upgraded upholstery, power windows/locks (optional), AM/FM stereo, cruise control (optional).
- Lariat: Top-tier trim, leather seats, premium sound system, power amenities, woodgrain interior accents, more advanced comfort features. - Transmission Options:
- 4-speed automatic (C6 or E4OD)
- 5-speed manual - Drivetrain:
- Rear-wheel drive (2WD)
- Four-wheel drive (4WD)
1991 Ford F-350 Super Duty Specifications
No records to be displayed
Vehicle History Report
What Problems Does the 1991 Ford F-350 Super Duty Have?
The 1991 Ford F-350 Super Duty, while generally robust, is not without its potential issues, especially considering its age. One of the most common concerns across this generation is rust. Frame rust, especially around the rear axle and cab mounts, and body rust, particularly in the wheel wells, rocker panels, and cab corners, are prevalent, significantly impacting structural integrity and value. For the gasoline 7.5L (460) engine, issues like intake manifold gasket leaks and worn valve seats can occur. The 7.3L IDI diesel, known for its longevity, can sometimes suffer from injector pump failures or glow plug issues if not properly maintained. Transmission problems are also frequently reported. The E4OD automatic transmission, introduced in this era, can be prone to electronic control issues and eventual failure, especially if subjected to heavy towing without adequate cooling. Manual transmissions are generally more reliable but can experience clutch wear. Electrical gremlins, while not unique to this model, can manifest as intermittent issues with lighting, gauges, or power accessories due to aging wiring and components. Cooling system issues, such as radiator leaks or failing water pumps, are also common maintenance items. Recall information for specific 1991 models is less prevalent than for later years, but owners should always check for any outstanding safety campaigns. Long-term reliability hinges heavily on consistent maintenance. Neglected oil changes, coolant flushes, and fuel filter replacements will accelerate wear on both the engine and drivetrain. Specific model year issues are less distinct for this particular year within the generation, with most problems being age-related and common to heavy-duty trucks of this vintage rather than unique flaws of the 1991 model itself. Vigilant inspection for rust and a thorough mechanical check, especially of the drivetrain and cooling system, are crucial for potential buyers.
How long will the 1991 Ford F-350 Super Duty last?
With proper and consistent maintenance, a 1991 Ford F-350 Super Duty can realistically achieve 250,000 to 400,000 miles, and in some cases, even more. The legendary 7.3L IDI diesel engine is renowned for its durability and can often outlast the rest of the vehicle if cared for. Gasoline engines, particularly the 7.5L, may require more frequent attention to major components like the transmission or cooling system as mileage accumulates. Long-term weaknesses often revolve around rust, as previously mentioned, which can compromise structural integrity regardless of engine health. Transmission longevity is also a key factor, with automatics requiring more careful maintenance and potentially rebuilds. The truck's sheer robustness, however, means that many core components are over-engineered for their intended use, contributing to its remarkable lifespan when maintained.
What Technology & Safety Features are Included?
The 1991 Ford F-350 Super Duty represents a simpler era of automotive technology, focusing primarily on functionality and durability rather than advanced electronic features. Built-in tech was rudimentary by today's standards. Entertainment options typically consisted of an AM/FM radio, often with a cassette player. Higher trims, like the Lariat, might have offered an upgraded sound system with more speakers. There were no integrated infotainment screens, navigation systems, or Bluetooth connectivity. Driver-assistance features were virtually non-existent. Modern conveniences like rearview cameras, parking sensors, or blind-spot monitoring were not part of the offering. Cruise control was an optional feature on some trims. Safety features were limited to the essentials for the time. Standard equipment included front seat belts, a sturdy frame designed to absorb impact, and hydraulic disc brakes at the front and drum brakes at the rear. Anti-lock braking systems (ABS) were becoming available on some Ford trucks around this period, and were likely an optional extra on higher F-350 trims, primarily for the rear wheels initially. Airbags were not standard on most trucks of this vintage; driver-side airbags began to appear in the early 1990s but were not universal. Crash-test ratings for trucks of this era are not as readily available or standardized as they are today. The National Highway Traffic Safety Administration (NHTSA) and the Insurance Institute for Highway Safety (IIHS) did not conduct the rigorous, comprehensive testing they do now. However, the F-350's heavy-duty construction was inherently designed for robustness and occupant protection within the context of its time. Owners seeking modern safety features would need to consider aftermarket installations or look at significantly newer vehicles.
What Colors Options are Available?
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1991 Ford F-350 Super Duty Prices and Market Value
When new in 1991, the Ford F-350 Super Duty had an approximate price range of $18,000 for base XL models to over $28,000 for well-equipped Lariat trims. Due to their age and the inherent durability of these trucks, depreciation has slowed considerably, and well-maintained examples, especially those with the desirable 7.3L diesel engine, can hold their value surprisingly well. Current used market prices vary widely, from $3,000-$5,000 for beat-up work trucks needing significant repairs, to $10,000-$20,000+ for exceptionally clean, low-mileage examples, particularly those equipped with the diesel and in desirable configurations. Factors significantly affecting resale value include: engine type (diesel commands a premium), condition (rust is a major detractor), mileage, maintenance history, and overall originality. Customized or heavily modified trucks may fetch less unless the modifications are highly desirable.
1991 Ford F-350 Super Duty Cost of Ownership
Owning a 1991 F-350 Super Duty is generally not economical in terms of fuel efficiency; expect poor MPG. Insurance costs can be moderate, depending on your driving record and location, though comprehensive coverage on older vehicles might be limited. Maintenance is straightforward but requires diligence; regular fluid changes and attention to common wear items are crucial. Repair costs can be moderate to high, especially for major drivetrain components or rust repair. While initial purchase prices are low, the cost of fuel, potential repairs, and parts can make this a moderately costly vehicle to own long-term, but its exceptional durability can offset these costs for those needing its heavy-duty capabilities.
1991 Ford F-350 Super Duty Fuel Efficiency
No records to be displayed
1991 Ford F-350 Super Duty Insurance
Insurance for a 1991 Ford F-350 Super Duty is moderately priced, reflecting its status as a Vehicle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1991 Ford F-350 Super Duty Compare to Other Vehicle?
In 1991, the Ford F-350 Super Duty competed primarily against the Chevrolet C/K 3500 and the Dodge Ram 350. Performance-wise, the F-350's optional 7.3L IDI diesel offered robust torque, competitive with the Chevy's 6.5L Detroit Diesel and the Dodge's Cummins 5.9L turbodiesel (though the Cummins was often considered superior in power and reliability by enthusiasts). The Ford's 7.5L gas V8 was also a strong contender. Features in this era were basic across the board. All offered similar levels of utilitarian interiors with optional upgrades in higher trims. The F-350 XLT and Lariat provided comfortable amenities, but none offered the advanced technology found in modern trucks. Reliability is where the F-350 generally shines, especially with the diesel engine, often praised for its longevity, rivaling the reputation of the Cummins. Rust can be a more significant issue on Fords of this vintage compared to some Chevrolets. Price-wise, these trucks were similarly positioned when new. Currently, used prices are highly dependent on condition and engine. The 1991 F-350 remains a strong contender. Similar alternatives include the Chevrolet C/K 3500 of the same era, which is also known for durability but sometimes considered less refined. The Dodge Ram 350, particularly those with the 5.9L Cummins diesel, is often seen as a superior powertrain option in terms of raw power and reliability, but early Dodge interiors could be less appealing. For those prioritizing the absolute best diesel engine reliability and power, a later model Cummins-equipped Dodge might be a better long-term investment, but the 1991 F-350 offers a fantastic balance of capability, durability, and classic American truck appeal.
Final Verdict: Is the 1991 Ford F-350 Super Duty a Good Vehicle?
The 1991 Ford F-350 Super Duty is ideal for individuals or businesses requiring a no-nonsense, heavy-duty workhorse for towing, hauling, or off-road tasks. It's perfect for those who prioritize robust capability and legendary durability over modern creature comforts and advanced technology. It is worth buying, especially if found in good condition, but primarily as a used vehicle, as it is no longer produced new. The 7.3L IDI diesel models are particularly sought after for their longevity. Buyers should be prepared for potential rust repair and accept the fuel economy limitations. It's a fantastic option for enthusiasts, tradespeople, or anyone needing a truck that can still get serious work done, provided they inspect thoroughly for structural integrity and mechanical soundness.
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.