• The only body panel that the 2010 Lexus IS Convertible shares with the IS Sedan is the hood.

• The 2010 Lexus IS 250C accelerates from zero to 60 mph in 8.4 seconds, regardless of transmission choice, according to the automaker.

• The 2010 Lexus IS 350C accelerates from zero to 60 mph in 5.8 seconds, according to the automaker.

• Lexus says the 2010 IS 350C has a top speed of 141 mph. The IS 250C falls 10 mph short of that with the automatic transmission.

• The 2010 Lexus IS Convertible is equipped with Hill Start Assist, regardless of transmission choice, which helps hold the car still on a hill while switching from the brake to the accelerator.

• Every 2010 Lexus IS is equipped with electronic power steering.

• Every 2010 Lexus IS is equipped with electroluminescent Optitron gauges.

• Lexus says the 2010 IS Convertible’s top will lower or rise in about 20 seconds, and that the windows will automatically lower when dropping the top and rise when raising the roof.

• The 2010 Lexus IS Convertible is equipped with Roof Clearance Sonar, which automatically prevents roof operation when objects over the vehicle are too close, such as under a low-hanging tree or inside a parking garage.

• The 2010 Lexus IS Convertible can be equipped with Intuitive Parking Sonar, which also halts top operation is an object is too close behind the IS for safe operation.

• To help assist passenger loading and unloading, the 2010 Lexus IS Convertible is available with a One-Touch Rear Seat Access feature, which tilts and slides the front passenger’s power seat forward with the touch of a single button.

• The 2010 Lexus IS Convertible’s climate control system is designed to automatically help compensate for outside temperature, sunlight angle, and vehicle speed to maintain consistent cabin conditions.

• Lexus says the IS Convertible’s trunk can hold 10.8 cubic feet of cargo. The company says a single golf bag will fit when the top is down and stored in the trunk.

• The 2010 Lexus IS Convertible has a rear center console with storage and cup holders.

• The 2010 Lexus IS Convertible’s available navigation system can display information in English, French, and Spanish.

• The 2010 Lexus IS Convertible’s available navigation system recognizes more than 100 voice commands.

• The 2010 Lexus IS Convertible includes a free 90-day trial subscription to XM satellite radio.

• Owners of the 2010 Lexus IS Convertible can opt-in to Lexus Insider service, provided they have the Lexus Enform telematics system. Lexus Insider offers audio broadcasts with helpful vehicle tips, reminders of owner benefits, and notification of exclusive events.

• The 2010 Lexus IS Convertible’s optional Adaptive Front Lighting System pivots the front headlights individually, so that in left turns only the left headlamp rotates 15 degrees, and in right turns only the right headlamp rotates 15 degrees.

• The 2010 Lexus IS Convertible is equipped with water-repellant front door glass.

• The 2010 Lexus IS Convertible is equipped with LED tail lights.

• The 2010 Lexus IS Convertible includes a tool kit and a first aid kit as standard equipment.

• The 2010 Lexus IS Convertible’s coefficient of drag measures 0.29.

• The 2010 Lexus IS Convertible weighs between 3,840 and 3,880 lbs., depending on model.

• Lexus applies a wet sanding stage to the painting process to produce a premium finish on the 2010 IS Convertible.

• The 2010 Lexus IS Convertible’s front doors are 11.8 inches longer than the sedan’s.

Note: This review was published on December 29, 2009. It may not reflect data that has become available for this vehicle since that date.