Lexus recently updated both the GS and LS. The next-generation IS is expected to follow similar design. We can see a wide grille with big air intakes, sharper lines, dual exhaust tips and L-shaped LED taillights.
New IS is rumoured to be sportier and more upmarket than the outgoing model. It is reportedly based on the stretched version of the rear-wheel drive platform underpinning the Subaru BRZ and Toyota GT 86.
In addition to standard petrol and diesel engines, a hybrid version is also very likely to debut in the new IS. The top of the range IS-F is very likely going to use a smaller turbocharged unit in favour of the current V8. A similar move BMW is doing with their M3/M4.
World debut is very likely at the Detroit Auto Show in January.