2009
Production of the limited edition 2008 SRT8s ended in July 2008, and production of the expanded 2009 line-up started in early August of the same year. The expanded offering was the same as had been unveiled earlier that spring at the 2008 New York Auto Show. Chrysler debuted the full Dodge Challenger line for 2009, with four different trims – SE, R/T, SRT8, and the SXT in Canada only. In addition to the SRT8, which remained unchanged except for the optional 6 speed manual, the line-up included the previously mentioned SE and SXT which offered the 250 HP 3.5-Liter V6. The R/T hosted a 5.7 Hemi sporting 370 hp (276 kW) and 398 lb•ft (540 N•m) of torque when coupled with the 5 speed automatic, and 375 hp (280 kW) with 404 lb•ft (548 N•m) when matched with the same Tremec 6-speed manual transmission as the SRT8.

2010
For 2010, the vehicle cost $515 to $1,010 more than in 2009.The color, HEMI Orange, was initially dropped for the 2010 model year, then re-released later in the model year. Two new color schemes became available for the 2010 model year; Plum Crazy and Detonator Yellow.A third new color, Furious Fuchsia was announced in February 2010.[20] But unlike previous special editions, the Furious Fuchsia version had significant changes to the interior with white leather instead of the usual black seats. Chrysler also made a late-year addition to the 2010 model year with the limited edition Mopar '10 Challenger R/T. These cars, limited to only 500 examples, were metallic pearl black in color with three accent colors (blue, red, silver) of stripes to choose from. In addition, these cars were available with black R/T Classic-style wheels along with a Hurst aftermarket pistol grip shifter, custom badging, Mopar cold air intake for a 10 horsepower increase, and Katzkin-sourced aftermarket interior. Units were built in Brampton, Ontario at the Brampton Assembly Plant and completed at the Mopar Upfit Center in Windsor, Ontario. There were 500 U.S. Units and 100 Canadian units built.

Of the 500 Mopar special edition U.S. examples, 320 had automatic transmissions, 180 had manuals. 255 had blue stripes, 115 had red stripes, and 130 had silver stripes. Out of the 255 with blue stripes, 160 were automatics and 95 were manuals. Out of the 115 with red stripes, 74 were automatics and 41 were manuals. Out of the 130 with silver stripes, 86 were automatics and 44 were manuals.

2011
2011 Dodge Challenger SRT-8
The 2011 model year base Dodge Challenger came with the new Pentastar V6 engine producing 305 bhp (227 kW; 309 PS) and 268 lb•ft (363 N•m). The new engine featured cylinder deactivation and dual variable valve timing. The bottom grille cutout was also flipped upside down, different from the 2008–10. The new SRT8's chin spoiler was enlarged to create more downforce. It resembles the 1970 Challenger R/T.The SRT8 received a new 392-cubic-inch (6.4 L) Hemi V8. with Variable Camshaft Timing, as well as the Multiple Displacement System that was used on the 5.7 L (345 c.i.d.) engine. The 392 was officially rated at 470 horsepower (350 kW) and 470 lb•ft (640 N•m) of torque. Dodge engineers said they sacrificed peak horsepower ratings for low-end torque, stating a 90 lb-ft increase over the outgoing 6.1-L (370 c.i.d.) Hemi V8 at 2900 rpm.Two transmissions were offered: a 5-Speed Shiftable Automatic and a 6-speed manual.With the revised 6.4-Liter engine, Chrysler engineers cited a quarter mile (~400 m) time of 12.4 seconds at 110 mph (180 km/h) – bettering the outgoing 6.1-Liter Hemi by 0.8 seconds, although that figure has varied wildly between automotive magazines. Car and Driver tested the 392 at 12.9 seconds at 114 mph (183 km/h)while Motor Trend ran it at 13.0 seconds at 111.3 mph (179.1 km/h)and Edmunds' number was far closer to Chrysler's claimed numbers at 12.6 seconds at 112.1 mph (180.4 km/h).