The Sierra's headlamps have an effective low-beam range of 385 feet, and a high-beam of 695 feet. More usable light means more time for you to react-an especially important consideration when towing a trailer.
Four-Wheel ABS Disc Brakes
The brake system of the new 2003 Sierra was designed to behave the same whether the truck is loaded or empty. A 4-wheel antilock brake system helps with steering control.
A segment-exclusive* full-time, all-wheel drive transfer case which maintains an optimum 38/62% front-to-rear torque split under a wide range of dry or wet road surfaces
Vortec 6000(6.0-liter) naturally aspirated V8 engine running on regular fuel and delivering 325 horsepower
A 4L60E heavy duty, four-speed automatic transmission with a deep 3.06:1 first-gear ratio
Michelin brand P265/70R 17-inch (432 mm) all-season tires and high performance-styled aluminum wheels
High-capacity front and rear twin piston caliper four-wheel disc, antilock brakes, previously only offered on heavy duty (3/4 ton) Sierra models
A uniquely tuned, increased capacity suspension system designed to control roll damping while cornering and trailering
GM Truck's exclusive "Dynamic Brake Proportioning System," which continuously monitors vehicle wheel speed while braking and balances front-to-rear brake pressure to ensure effective and predictable braking response, regardless of vehicle load
A standard heavy duty Z82 trailering package to deliver maximum-rated vehicle towing capability without the need for additional optional equipment
