Jeep launched the longest models in its range, the Wagoneer L and the Grand Wagoneer L adding extra inches in both the wheelbase overall length of the full-size SUVs while introducing a new twin-turbo six-cylinder engine. They’re going up against long-wheelbase SUVs like the Cadillac Escalade ESV, the Chevrolet Suburban, the GMC Yukon XL, the Ford Expedition Max, and the Lincoln Navigator L.

Both the Jeep Wagoneer L and Grand Wagoneer L have an 3,302 mm wheelbase that is 178 mm longer compared to the regular Wagoneer and Grand Wagoneer that debuted last year. Thanks to the stretched rear overhangs, the overall length is extended by 305 mm up to a massive 5,758 mm for the longer Grand Wagoneer L. The size difference adds around 91 kg to the weight of both models, reaching up to a massive 3,041 kg for a fully-loaded Grand Wagoneer L.

 

Naturally, all this extra sheetmetal results in a larger cargo space, which has grown by 447 lt. Depending on the seating configuration (offered with up to 8 seats), the Wagoneer L offers between 1,192 – 3,707 lt of luggage space, while the Grand Wagoneer L stretches between 1,252 – 3,197 lt.

Those figures are quite impressive but still come short of the Chevrolet Suburban’s maximum capacity of 4,097 lt behind the first row even though the long-wheelbase Jeep models beat the competition in terms of three-row layout cargo space. Another practical trait that comes with the L badge is a set of storage compartments in the third row with a combined capacity of 3.6 lt.

 

The rest of the interior is carried over from the non-L variants. From the outside, the extra length is quite noticeable since the door shut lines are not touching the wheelarches anymore, and the third window is a lot longer. Automotive News reports that Mark Allen, Jeep’s head of design describes the result as elegant, with his team trying to avoid making the SUVs look like a school bus. Jeep has also added a dark-themed Carbide trim for the Wagoneer L with gloss-black accents which will also be available for the regular Wagoneer starting from this spring. The Grand Wagoneer already has a similar blacked-out Obsidian trim that could be offered for the Grand Wagoneer L although the trim structure is not clear at this point.

The two SUVs are not only longer, but also more powerful than their regular-wheelbase siblings, thanks to Stellantis’ new twin-turbocharged 3.0-liter inline-six Hurricane engine. These are the first models to be offered with the new mill which comes in two different power outputs, exclusively mated to an eight-speed automatic gearbox sending power to the rear or all four wheels depending on the trim. The twin-turbo 3.0-liter produces 420 hp and 635 Nm of torque in the Wagoneer L, and a more impressive 510 hp and 678 Nm of torque in the Grand Wagoneer L.

 

The performance figures of the six-cylinder engines are better than the V8s in the non-L models while offering improved mileage. More specifically, the Wagoneer L is rated at an estimated 19 mpg combined, while the Grand Wagoneer L, at 16 mpg combined. Jeep said that the Ls with the new engine offer between 1-2 mpg more than the shorter and lighter V8-powered SUVs. Towing capacity remains the same at 4,536 kg. The automaker will also offer a limited run of Jeep Grand Wagoneers fitted with the 503 hp six-cylinder engine from the Grand Wagoneer L.

The 2023 Jeep Wagoneer L And Grand Wagoneer L will make their world premiere today at the New York International Auto Show before arriving in US dealerships in the second half of the year. Pricing has yet to be announced but dealers expect them to be 10-15 percent higher than the regular-wheelbase models.