GMC Suburban R1500 Models

The GMC Suburban R1500 SUV was introduced with the 1987 model year. One in a long line of Suburban models that date back to the 1930s, this half-ton full-size SUV was among the last of the famed "Rounded Line" generation that had been produced for 18 consecutive years, which had used the traditional C designation.

In 1987, a new generation of trucks built on a different platform was introduced, bearing the C indicator. To avoid confusion, the GMC Suburban SUV was given the R designation. The "R" in the model's name noted that the SUV was equipped with rear-wheel drive, while the "1500" noted its half-ton size. Following the 1991 model year, the R line of GMC Suburban SUVs was phased out.

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