2026 Tiffin Motor Homes Phaeton 40IH Class A Diesel

Description

The 2026 Tiffin Phaeton 40IH is a luxury diesel Class A motorhome in Tiffin Motorhomes’ Phaeton series — a line crafted to deliver refined comfort and performance on the open road. Built on the robust PowerGlide® XC raised-rail diesel chassis and powered by a Cummins® L9 450 HP diesel engine coupled with an Allison® 3000 MH 6-speed automatic transmission, the Phaeton lineup emphasizes confident driving and reliable long-distance capability.

The 40IH floorplan of the 2026 Phaeton features a 41′ 4″ overall length with four slide-outs, providing expansive living space and optimized interior flow for daily comfort and extended travel. With an interior width of 96″ and height of 83″, the coach offers generous interior living area and significant basement storage capacity of up to 232 cu ft for gear and camping essentials.

Inside the Phaeton 40IH, travelers can expect spacious luxury living with thoughtfully designed areas for relaxing, dining, and sleeping, accommodating up to seven people — making it suitable for families or couples seeking both comfort and versatility on the road. Standard features include upscale interior finishes with multiple décor options and residential-inspired design elements introduced for 2026, such as new interior tile choices and coordinated cabinet and upholstery schemes.

Built with the high standards associated with Tiffin Motorhomes, the 2026 Phaeton series is supported by industry-leading warranties and quality construction practices, giving owners added confidence and peace of mind throughout their travels.