1989 GMC Sierra 1500 I (GMT400) Regular cab SWB Sportside specs, Fuel consumption, Dimensions

Start of production 1988; End of production 1992 \| Pick-up Power: from 160 Hp to 210 Hp Length 5065 mm (199.41 in.); Width 1958 mm (77.09 in.); Height 1788 mm (70.39 in.); Wheelbase 2985 mm (117.52 in.);

5.7 V8 (210 Hp) Automatic 1988 - 1992
5.7 V8 (210 Hp) 4WD Automatic 1988 - 1992
5.7 V8 (210 Hp) 4WD 1988 - 1992
5.7 V8 (210 Hp) 1988 - 1992
5.0 V8 (175 Hp) Automatic 1988 - 1992
5.0 V8 (175 Hp) 4WD Automatic 1988 - 1992
5.0 V8 (175 Hp) 4WD 1988 - 1992
5.0 V8 (175 Hp) 1988 - 1992

4.3 V6 (160 Hp) Automatic 1988 - 1992
4.3 V6 (160 Hp) 4WD Automatic 1988 - 1992
4.3 V6 (160 Hp) 4WD 1988 - 1992
4.3 V6 (160 Hp) 1988 - 1992