Firkins Nissan

S (4x2 only King Cab)
Solid features on a solid truck: 152-hp 2.5-liter 4-cylinder engine, 5-speed manual transmission, 4-wheel Anti-lock Braking System, full-length boxed ladder frame, rear access doors, chrome rear bumper, cargo bed light, rear privacy glass, fold-flat front-passenger seat, Tire Pressure Monitoring System and 6 standard air bags.
S (4x4 Crew Cab)
Adds V6, 261-hp 4.0-liter V6 engine, 6-speed manual transmission,Tire Pressure Monitoring System and 6 standard air bags, Vehicle Dynamic Control (VDC), Four full size doors with seating for five,AM/FM/CD audio system and air conditioning,tilt steering column,
 
SV 4-cylinder (4x2 only)
Includes XE equipment plus: 16" steel wheels with P235/75R15 OWL all-season tires, chrome front bumper, air conditioning, AM/FM/CD audio system, tilt steering column, sliding rear window, and dual sun visors with extenders and visor vanity mirrors.

SV V6 (4x2 and 4x4)
Adds V6 power and more to SE 4-cylinder features: 261-hp 4.0-liter V6 engine, 6-speed manual transmission, Vehicle Dynamic Control, Active Brake Limited Slip, front tow hook (4x4 only) and voltage and oil pressure gauges.

Crew Cab adds: four full-size doors with seating for five, 16" aluminum-alloy wheels (Long Bed only), Utili-track? Channel System and factory-applied spray-on bedliner with bed rail caps.

PRO-4X (4x2 and 4x4)
Everything in the SE V6, plus supreme off-road ability: Bilstein® off-road performance shocks, electronic locking rear differential (4x4 only), Active Brake Limited Slip, clutch start/cancel (4x4 with manual transmission only), skid plates (4x4 only), 16" machined-finsh aluminum-alloy wheels, BFGoodrich® Rugged Trail T/A® tires, Utili-track? Channel System, factory-applied spray-on bedliner with bed rail caps, fog lights and body-color grille, bumpers, mirrors and door handles, unique PRO-4X interior trim and white-face gauges.PRO-4X Crew Cab 4x4 is now available with a 6-speed manual transmission.

SL (4x2 and 4x4)
Includes SE V6 features, and is loaded with all the extras: 5-speed automatic transmission, 18" aluminum-alloy wheels, P265/60R18 BFGoodrich® Radial Long Trail T/A® tires, Utili-track? Channel System, factory-applied spray-on bedliner with bed rail caps, fog lights, step rails, body-color side moldings, chrome mirrors and door handles and 8-way power adjustable driver's seat.

Crew Cab adds: roof rack with crossbars, automatic on/off headlights and auto-dimming rearview mirror with HomeLink® Universal Transceiver.