up to 125lbs), side step-rails, and sunroof. The SE featured standard equipment that was optional on an XE. All models featured removable, tab-secured rear seat cushions to accommodate a fold-flat rear seat back. Canadian models from 1999 to 2004 were limited to the VG33E V6 engine with part-time 4WD. 2002 update With the 1999 Xterra having been developed at Nissan Design America in California, all updates for the 2002 Xterra were executed at Nissan Technical Center-North America in Farmington Hills, Michigan. The facelifted model debuted at the 2001 Chicago Auto Show prominently revised front-end styling with rounded headlights, revised instrument panel, center console, larger glove compartment, pullout rear cup holders and four interior power points, foot-operated pedal parking brake (vs. previous a dash-mounted pull-and-twist parking brake) — and an increase of 10 horsepower for the V6 engine. The rear differential for all Xterras and Frontiers are H233B with a number of gear ratios offered in both limited slip and open configurations. The most common being 4.636:1 and 4.9:1. Early differentials has a flange style input to the pinion while late 2004 through the end of production had a Spicer yoke style input to the pinion. The 3.3L VG33E V6 was upgraded to at 4,800 rpm and 202 lb⋅ft (274 N⋅m) at 2,800 rpm, with the Eaton M62 supercharged VG33ER option carried over from the 2001 Nissan Frontier, producing of torque for the automatic, and of torque with 5-speed manual. For 2003 the front seats received additional adjustability with added lumbar support and in SE models the available 6-disc, 4-speaker AM/FM/CD audio system was replaced by a 6-speaker 300W Rockford Fosgate AM/FM/CD audio system with an 8-inch subwoofer that took up a small portion of the rear storage area. The last of the model year 2004 Xterras were manufactured in January 2005. Second generation (N50; 2005) The second generation Xterra debuted at the New York International Auto Show in 2004 using Nissan's F-Alpha platform. Larger in all dimensions than its predecessor, it entered showrooms in early 2005 for the 2005 model year. The standard engine was upgraded to Nissan's 4.0 L VQ40DE variable valve timing V6, producing . Early US models include X, S, SE and PRO-4X, with a choice of 6-speed manual or 5-speed automatic transmissions, a choice of part-time 4-wheel drive or 2-wheel drive. The M226 rear axle with a Dana 44 differential was standard on all manual transmission