This 2021 Ford F-250SD Lariat delivers capable performance with a commanding presence on the road and in work environments. Built on a proven platform with premium features and genuine utility, this truck stands ready to handle what you need it to do.- Tremor Off-Road Package with rock crawl mode, trail control, and electronic locking differentials- 6.7L Power Stroke V8 Turbodiesel with 10-speed automatic transmission and 4WD- High-capacity trailer tow package rated for up to 30,000 lbs GVWR- Lariat Ultimate Package with heated and ventilated leather seats and memory functions- Adaptive cruise control with collision warning and brake support- Rear camera display with LED center high-mounted stop lamp- PowerScope trailer tow mirrors with heat and memory- Power-deployable running boards with tailgate step and handle- Voice-activated navigation with SiriusXM traffic and travel link- B&O System by Bang & Olufsen audio with 10 speakers and SYNC 3- Intelligent access with push-button start and remote engine start- LED box lighting and ambient interior lighting- 18-inch low-gloss black aluminum wheels with all-terrain tires- Front and rear wheel well liners with transfer case and fuel tank skid platesThe Tremor Off-Road Package distinguishes this F-250 with specialized components designed for challenging terrain. Enhanced suspension geometry, electronic locking differentials, and skid plate protection work together to provide the capability you need when venturing off the conventional path. The included all-terrain tires and raised ride height improve approach angles while maintaining street manners.The Power Stroke diesel engine pairs with a 10-speed automatic transmission, delivering the torque and efficiency that diesel owners value. An engine block heater ensures reliable cold-weather starts, while the 397-amp alternator supports the truck's extensive electrical demands. The high-capacity trailer tow package increases the GVWR to 10,800 pounds, accommodating substantial loads with confidence.Inside the cab, the Lariat Ultimate Package surrounds you with genuine comfort and technology. Heated and ventilated leather seats with memory functions adjust to your preference automatically. The B&O audio system provides rich sound quality through ten strategically placed speakers, while SYNC 3 integrates smartphone connectivity and voice commands. Voice-activated navigation guides your route, and SiriusXM's five-year subscription keeps you entertained and informed.Advanced safety and convenience features reflect Ford's modern engineering. Adaptive cruise control maintains your distance from other vehicles, while collision warning provides early alert to potential hazards. The rear camera integrates seamlessly into the center dash screen, and remote start functionality allows engine warm-up from inside your location. Six upfitter switches in the overhead console let you customize electrical circuits for auxiliary equipment.Why Buy Used from Southwest Buick GMC in Lawton, OK?Southwest Buick GMC offers one of Lawton's most trusted used car buying experiences with upfront pricing, no hidden fees, and solid trade-in values you can actually count on. Every pre-owned vehicle is carefully selected for its quality, offering shoppers a diverse range of dependable options across all makes and models. We keep the process fast, honest, and hassle-free—no games, no surprises. Serving Lawton, Duncan, Chickasha, Elgin, Wichita Falls, Norman, OKC, and surrounding areas. Shop our used inventory online or visit today for a transparent experience from start to finish.