Here is the response from the Fred Anderson Toyota "Unless it comes from factory with the tow prep package, it â¦ Based on our research it looks like the factory towing package for the 2019 Toyota Sienna consists of an engine oil cooler along with a heavy-duty radiator and fan and is standard for the XLE model like what you have. Detailed features and specs for the 2019 Toyota Sienna including fuel economy, transmission, warranty, engine type, cylinders, drivetrain and more. Trims. Towing Capacity: 3,500 lbs. Along with the different features, there are various genuine Toyota accessories and packages â¦ Toyota Sienna Reliability Is the Toyota Sienna â¦ Photo credit: Toyota. Packages. When properly equipped with the Towing Prep package, the 2019 Toyota Sienna can tow up to 3,500 pounds. From my understanding all of the V6 models of the 2019 Toyota Highlander have the tow package but it isn't specified as to what else might have the tow package (or if it's even available elsewhere). With a towing capacity of 3,500 pounds, your Sienna gives a Toyota Tacoma (also with a towing capacity of â¦ For some reason Toyota isn't very forthcoming with how to figure out if you have the tow package or not. 2019 Toyota Sienna Accessories and Packages The Toyota Sienna offers many great amenities and features that make it more convenient and accommodating. ... a segment exclusive. This tow prep package was standard through 2008. Description: Used 2019 Toyota Sienna Limited with FWD, Towing Package, Roof Rack, Fog Lights, Trailer Hitch, Spoiler, Passenger Van, Heated Steering Wheel, Roof Rails, Tinted Windows, and Blind Spot Monitor According to the dealers, the 2009 Sienna's are not coming with the tow package option and therefore a hitch can not be added. that's no big deal. The average pontoon boat weighs 2,200 pounds, which falls within the Sienna's towing capacity. The only mechanical difference in a sienna with a factory "tow prep package" and one without is the alternator and the radiator.On sienna's with factory tow prep they put an alternator with slightly higher output on the van, and then on the radiator they use a slightly larger transmission intercooler. Specifications. ok, if you are only pulling 2,000 lbs. Read reviews, browse our car inventory, and more. 2019 Toyota Sienna: See 3 user reviews, photos and great deals for 2019 Toyota Sienna. Detailed features and specs for the 2019 Toyota Sienna LE 8-Passenger including fuel economy, transmission, warranty, engine type, cylinders, drivetrain and more. You can tow jet skis and some smaller speedboats, too. With the tow package the Sienna XLE has a towing capacity of 3,500 pounds. Showing the 2019 Toyota Sienna L 7 Passenger 4dr Front-wheel Drive Passenger Van. Back to top. Opt for the Towing Prep Package and youâll get an engine oil cooler, heavy-duty radiator, fan, and the ability to pull 3,500 pounds.