The entry-level 2.0t models go down a tax band thanks to CO2 emissions dropping from 221g/km to 218g/km (from 26% to 25% for 2001/02), while the high performance manual 9-5 Aero achieves 209g/km (23%).
New designations mean Linear models replace the entry-level S, and gain new upholstery and alloy wheels plus a leather steering wheel at no extra cost.
The 9-5 Arc models replace the SE models and include new leather and wood interiors, alloy wheels and are priced at £200 on the road above the SE.
Vector models, priced at the same level as Arc models, offer a sporty interior with part-leather seats, metallic fascia trim and 17-inch alloy wheels. Models are priced at £300 less than previous Airflow models.
The range-topping Aero models gain 20bhp over the previous Aero, leather seats and switchable electronic stability control and cost £1,000 more than the previous model.
The new 3.0 V6 TiD model is available in all three trim levels with the Arc model costing £24,495 on-the-road, with CO2 emissions of 197g/km putting it in the 24% company car tax band from next year, including the 3% diesel supplement.