Choosing the right heavy-duty Ford truck requires more than comparing the largest advertised number. Buyers researching Ford 6.7L Power Stroke diesel vs 7.3L gas V8 in St. Louis should consider payload, towing, axle ratings, engine, drivetrain, body configuration, passengers, cargo, hitch equipment and daily-use requirements.
Weber Ford serves truck owners and businesses throughout St. Louis, St. Louis County, St. Charles County and Metro East Illinois from 3465 Progress Parkway, Granite City, IL 62040. Call 618-452-5400 or begin by browsing new Ford inventory.
| Comparison Point | 6.7L Power Stroke Diesel | 7.3L Gas V8 |
|---|---|---|
| 2026 standard output | 6.7L Power Stroke: 475 hp and 1,050 lb-ft | 7.3L gas V8: 430 hp and 485 lb-ft |
| Available high-output version | 6.7L H.O.: 500 hp and 1,200 lb-ft | No separate high-output 7.3L listed |
| Torque delivery | Substantially greater low-rpm torque | Strong gas-engine output with simpler fuel choice |
| Initial cost | Generally higher | Generally lower |
| Typical fit | Frequent heavy towing and high-load operation | Mixed work, lower annual mileage and cost-conscious fleets |
| Payload effect | Heavier engine can reduce available payload in some configurations | Lighter powertrain may support higher payload in some trucks |
Ford lists the 2026 7.3L gas V8 at 430 horsepower and 485 lb-ft of torque. The standard-output 6.7L Power Stroke is listed at 475 horsepower and 1,050 lb-ft, while the available high-output version is listed at 500 horsepower and 1,200 lb-ft. Availability varies by model and configuration.
The diesel’s torque is attractive for frequent heavy towing, steep grades, large trailers and commercial users who regularly operate under substantial load. Buyers should also account for higher acquisition cost, diesel fuel, diesel-specific maintenance and the effect of the heavier powertrain on payload.
The 7.3L gas engine offers strong output and commercial-grade design without requiring diesel ownership. It can be a practical choice for lower annual mileage, intermittent towing, fleets seeking a gas engine or buyers prioritizing acquisition cost and payload.
A diesel may provide the torque a heavy trailer requires, while a gas configuration may retain more available payload in certain trucks. Fifth-wheel pin weight, passengers, cargo and hitch equipment all count against payload, making the best engine dependent on the exact truck and trailer.
Compare purchase price, financing, annual mileage, fuel prices, idle time, maintenance, towing frequency, resale expectations and downtime. A diesel is not automatically cheaper to own, and a gas truck is not automatically sufficient for every load.
Maximum published capability usually applies to a specific configuration. Cab style, wheelbase, drivetrain, engine, axle ratio, trim, wheels, tires, options and installed equipment can materially change payload and towing. Premium features and accessories may add vehicle weight and reduce remaining capacity.
Use the actual truck’s payload label, certification labels and VIN-specific Ford information. For trailers, use realistic loaded weight and account for hitch weight, passengers, cargo, tools and accessories. No general comparison page can replace the ratings assigned to the actual truck, hitch and trailer.
Heavy-duty buyers in the St. Louis region may travel through city traffic, industrial areas, rural roads, construction sites and interstate routes. Consider garage and parking width, turning requirements, winter use, trailer storage, bridge and road limits, commercial registration needs, insurance and how often the truck will operate without a load.
A configuration built for maximum capability may be less convenient for daily commuting. Conversely, choosing only for convenience can leave insufficient payload or towing headroom. The best truck is the one that safely handles the actual workload without unnecessary compromise.
Businesses should document the truck’s job before choosing a configuration. Identify the body, tools, passengers, payload, trailer, route type, idle time, annual mileage and expected replacement cycle. For chassis-cab vehicles, the body and auxiliary equipment must be included in completed-vehicle weight calculations.
Fleet buyers can explore Ford fleet vehicles, commercial Ford trucks and the live Ford work-truck inventory for current commercial options.
Shoppers can review the Ford finance center, apply for financing and use the online tool to value your trade. Financing approval, commercial eligibility, rates and terms depend on the applicant and finance provider.
After purchase, Weber Ford provides a Ford service center and Ford parts department for ongoing truck ownership.
Browse available inventory online or call Weber Ford at 618-452-5400. Inventory, specifications, ratings and equipment can change, so verify the exact truck before purchase.
Ford lists 1,050 lb-ft for the standard-output engine and 1,200 lb-ft for the available high-output version.
Ford lists 430 horsepower and 485 lb-ft of torque.
It offers substantially more torque, but the correct decision also depends on payload, trailer weight, purchase cost, annual use and exact configuration.
In some configurations, the lighter gas powertrain can result in more available payload. Always check the specific truck’s label.
The 7.3L gas V8 may be attractive when annual mileage and towing frequency do not justify diesel cost, but the workload must still fit the ratings.
Yes. Weber Ford can help shoppers compare available Super Duty gas and diesel configurations.
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