The 2008 Nissan Altima sedan is available with four-cylinder or V6 power, manual or CVT automatic transmission, four different trim levels, and a bewildering array of option packages.

Altima 2.5 ($18,230) is powered by a 2.5-liter four-cylinder engine rated 175 horsepower and 180 pound-feet of torque (170 and 175, respectively, in California). Standard equipment includes cloth upholstery, 60/40 split fold-down rear seats, power windows and door locks, cruise control, tilt/telescope steering-wheel, metallic-look interior trim, pre-wiring for an audio system, an intelligent key with push-button starting, and 16-inch steel wheels. ABS and EBD are standard. Air conditioning does not come standard. A six-speed manual transmission is standard, an automatic is not available.

Nissan Altima 2.5 S ($20,080) and 2.5 S automatic ($20,580) add air conditioning, six-speaker AM/FM/CD, trip computer, and a greatly expanded option list. The 2.5 S Convenience Package ($1,050) adds an eight-way power driver's seat, audio controls in a leather-wrapped steering-wheel, automatic headlamps, and other appointments from the higher-line models; Convenience Plus ($2,150) includes a power glass sunroof, alloy wheels, and the Convenience Package. The 2.5 SL Package ($3,850) includes leather upholstery and most of the 3.5 SL features except the V6 engine. Bluetooth and the premium stereo can be added with the Connection Package ($1000).

Altima 3.5 SE comes with a six-speed manual ($24,080) or automatic transmission ($24,580) and a 3.5-liter V6 rated 270 horsepower and 258 pound-feet of torque. The SE also adds 17-inch alloy wheels, power-adjustable driver's seat, steering-wheel-mounted controls for audio and trip computer, a combination of wood and metallic interior trim, automatic headlamps, heated side view mirrors and other features, including power windows that can be raised or lowered with the key. Vehicle Dynamic Control ($900) is optional and is packaged with a full-size spare tire. The Sport Package ($1,300) adds sunroof, fog lights, and a rear spoiler; the Premium Package ($4200) adds the Sport Package and the Connection Package with HID xenon headlamps, heated leather seats, and other interior features.

Nissan Altima 3.5 SL ($28,280) comes with a CVT automatic and most of the SE features, though it comes with 16-inch alloy wheels. The SL adds leather upholstery; dual-zone automatic climate control; heated front seats (with power lumbar support for the driver); power glass sunroof; fog lights; Bluetooth hands-free phone system; Homelink universal transceiver; and a nine-speaker Bose 6CD/MP3/WMA sound system with RDS, speed-sensitive volume control, and XM Satellite Radio.

A navigation system, a rearview camera, and XM Satellite Radio are available in various packages. A rear spoiler ($370), fog lights ($310), and splash guards ($135) are available as standalone options.

Nissan Altima Hybrid ($25,070) comes with cloth upholstery and uses a mix of base, midgrade, and upgrade trim levels. The Hybrid features a 2.5-liter four-cylinder engine and Toyota's proven electric hybrid drive, with a CVT transmission, Vehicle Dynamic Control, traction control, dual-zone automatic climate control, and 16-inch aluminum-alloy wheels. The electrically powered air conditioning works even when the engine is stopped. It can be loaded with the Hybrid Connection Package ($4,400) with leather upholstery and every available Altima feature except the navigation system, which is included in the Technology Package ($6,400), making a Hybrid Technology Package the ultimate Altima.

Safety features that come on all models include ABS with Electronic Brake-force Distribution, an advanced air bag system, with frontal and side-impact airbags in front, full side curtain airbags, active head restraints in front, and a tire pressure monitoring system. VDC electronic stability control is available on V6 models.