The 4T45 is a four-speed, electronically controlled, automatic overdrive transaxle with an electronically controlled torque converter clutch noted for its low noise, high durability and smooth shifting.

Uplevel XR models are equipped with the 3.6L DOHC V-6 with VVT, rated at 252 horsepower (188 kW) and 251 lb.-ft. of torque (340 Nm).* This engine is mated with the all-new Hydra-Matic 6T70 six-speed automatic transmission, the first application of this important addition to the GM Powertrain portfolio. The transmission allows for strong performance combined with strong fuel efficiency.

In addition, the 6T70 - GM's first application of a front-wheel drive six-speed automatic transmission - will provide the added benefit of Driver Shift Control (DSC), which enables the driver to manually shift through gears via steering wheel-positioned "paddles."

Saturn Aura 2007 is built on a stiff, robust chassis that serves as the foundation for a satisfying driving experience. The vehicle's long wheelbase provides a smooth ride, while careful tuning of the suspension provides sharp and immediate response to driver input.


Saturn Aura 2007 Safety features

2007 Saturn Aura is designed for strong safety performance in all measurements. A safety cage construction built into the body structure is complemented with reinforced rocker sections, as well as a reinforced front body hinge pillar and roof pillars that were designed to improve impact protection. A magnesium cross-car beam unites the lower sections of the A-pillars. It helps protect passengers in side-impact crashes and also serves as the foundation of the instrument panel. High-strength steel was used in strategic areas to augment overall structural integrity.

A comprehensive roster of standard features helps protect occupants before, during and after a crash. Aura's standard safety features include:

Dual-stage frontal air bags with GM Passenger Sensing System: The system works with the front passenger seat and differentiates between adults - 5 th percentile females and larger - and small children or child seats to adjust air bag deployment, which can help reduce the risk of air bag-induced injuries.

Head curtain side-impact air bags: These air bags offer a level of head protection during side-impact crashes for all outboard, front and rear passengers.

Front seat-mounted thorax protection air bags: These air bags provide an additional level of protection to the thoracic region for the driver and front seat passengers during side impact crashes.

Front safety belt pretensioners: Deploying at the same time as the frontal air bags, they take up slack in the safety belt webbing to minimize occupant movement during a crash.

LATCH child safety seat anchors: Two lower anchors and a top tether anchor secure the child seat to the vehicle seat structure for proper installation of compatible child safety seats.

Four-wheel disc brakes with ABS: Large, 11.65-inch (296 mm) vented front and 10.63-inch (270 mm) rear rotors help provide smooth, quick and assured stopping capability. Four-channel ABS is standard on all models.

StabiliTrak electronic stability control system (Aura XR): Partnered with the ABS system, StabiliTrak provides more precise, controlled stops, as well as enhanced traction/yaw stability during emergency maneuvers.

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