Did you know the Titan XD is often referred to as a "tweener"? This is basically because it fits between traditional half-ton pickups (like the Ford F-150) and heavy-duty trucks (like the F-250). It offers higher towing and payload capacities than most half-tons but doesn't quite reach the capabilities of full heavy-duty trucks. This truck came available with a 5.0L Cummins V8 Turbo Diesel engine which produced 310 hp and 555 lb-ft of torque. This set it apart in a market dominated by gas-powered competitors in its class. And this was one of the last years this diesel engine was offered before Nissan discontinued it due to low demand and changing emissions regulations. Nissan reinforced the Titan XD with a fully boxed frame designed specifically for heavier loads. This gave it improved durability and strength for towing and hauling compared to standard Titan models. It came with Integrated Trailer Brake Control a Trailer Sway Control system and a Gooseneck Hitch pre-installed on certain configurations making it an excellent choice for towing heavy loads (up to 12830 pounds with the diesel engine). While positioned as a work-oriented trim the SV trim level offered surprising comfort including: - Standard NissanConnect infotainment system with an 8-inch touchscreen. - Apple CarPlay and Android Auto compatibility. The 2019 Nissan Titan XD SV is a hidden gem for those who need towing and hauling capability without stepping into a full heavy-duty truck. Its Cummins diesel engine and robust design make it a unique option but its niche appeal and low sales volumes mean it's often overlooked in the used truck market. This can be advantageous for buyers looking for a capable underappreciated truck.