Dubbed the “Boss,” this 2003 Hummer H1 features 20,000 miles on the odometer, a familiar 6.5-liter turbo diesel V8, an ...

Shop 2003 Hummer H1 vehicles in Frisco, TX for sale at Cars.com. Research, compare, and save listings, or contact sellers directly from 6 2003 H1 models in Frisco, TX.

1.2L I-3 DOHC, MIVEC variable valve control, regular unleaded, engine with 78HP (1) 1.2L I-3 DOHC, MIVEC variable valve control, regular unleaded, engine with 78HP (1) 1.2L I-3 DOHC, MIVEC variable ...

1.3L I-4 gasoline direct injection, DOHC, Multiair variable valve control, intercooled turbo, premium unleaded, engine with 177HP (1) 1.3L I-4 gasoline direct injection, DOHC, Multiair variable valve ...

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