Is the ILX or TLX bigger?
The TLX is bigger than the ILX.
Acura positions the TLX as a midsize sedan and the ILX as a compact entry model, so the TLX generally measures longer, wider, and offers more interior and cargo space.
Size and class: what that means
Understanding the size difference starts with knowing the class hierarchy. The ILX is designed as a compact sedan meant for efficiency and city driving, while the TLX targets the midsize segment with more passenger room, a larger trunk, and a broader stance. This size separation affects everything from exterior dimensions to rear-seat comfort and cargo capacity.
Exterior size comparison
Before listing the numbers, note that figures can vary slightly by model year and trim, but the TLX consistently sits larger than the ILX in all key exterior dimensions.
- Length: ILX is typically around 183 inches; TLX is about 195 inches.
- Wheelbase: ILX about 105 inches; TLX about 111 inches.
- Width: ILX around 71.5 inches; TLX around 73 inches.
- Height: ILX around 54–55 inches; TLX around 56 inches.
- Trunk/cargo capacity (approximate): ILX roughly 12–13 cubic feet; TLX roughly 14–15 cubic feet.
In practice, these differences translate to a longer overall footprint, a longer wheelbase for improved ride quality, a wider stance for stability, and more trunk space in the TLX versus the ILX. The TLX’s larger size also tends to yield more rear-seat legroom and greater interior versatility.
Interior space and practicality
Beyond exterior measurements, the TLX typically offers more rear legroom and a roomier feel overall, while the ILX remains a solid compact option that is easier to maneuver and park in urban environments. The trade-off for the ILX is a smaller footprint that can be advantageous for city driving and fuel efficiency.
Summary
The TLX is the bigger car. Its midsize footprint—longer length, longer wheelbase, wider stance, and greater cargo capacity—outpaces the ILX, which wears the badge of Acura’s compact sedan. For buyers prioritizing space and comfort on longer trips, the TLX is the practical choice; for those valuing compact maneuverability and potentially lower running costs, the ILX remains a viable option.
