IS 250, 4D Sedan, 2.5L V6 DOHC 24V VVT-i, 6-Speed Automatic Electronic with ECT-i, AWD, Mercury Metallic, and Black w/Leather Seat Trim or Perforated Semi-Aniline Leather Seat Trim. This 2010 IS is for Lexus fans who are aching for a good-looking and gas-saving vehicle. Sporty and fun to drive with exceptionally good fuel economy. J.d. Power and Associates gave the 2010 IS 4.5 out of 5 Power Circles for Overall Initial Quality.