The 2003 GMC Sierra received minor modifications for the 2003 model year.
What’s New in 2003 GMC Sierra
The 2003 GMC Sierra came along with a raked front end and bolder styling. The interior had upgraded appearance and enhanced functionalities, making it look lot more beautiful. The brakes had been improved and the 2003 Sierra was also loaded with the Bose audio system. In comparison to the extended-cab version, the crew-cabs offered an attractive and high quality rear-seat DVD entertainment.
Drive-Train Options and Standard Offerings
The 2003 GMC Sierra came in 4-wheel and 2-wheel drive versions in medium-duty (2500) and light-duty (1500) towing capabilities and loading along with long-bed and short-bed bodies, as well as full-width beds.
2003 GMC Sierra
The SLE version added particulars like a leather-covered steering wheel, cruise control, and a CD player. But, the trim SLT on extended cabs and crew cabs was loaded with OnStar telecommunications, automatic air conditioning, and additional fog lamps too.
Coming to the engine part, two types of engines were deployed in standard extended cab as well as 2003 GMC Sierra 4WD; the 4.8-liter V8 and 4.3-liter V6 engine, whereas a 5.3-liter V8 was conventional on extended cab version.
The crew cab version came with a single 6.0-liter V8 engine along with a choice of 5-speed manual and 4-speed automatic transmissions.
