4×4S.ORGTHE REGISTRY NAMED MODEL · 2005–06
NAMED MODELUnited States

Hummer H1 Alpha (2006)

The last and best H1: the 2006 Alpha with GM’s 6.6-litre Duramax turbo-diesel (300 hp, 520 lb ft) and the Allison five-speed, 448 built in 2005 and 729 sold in the final model year before production ended in June 2006.

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Sources & evidence
Hummer H1 Alpha (2006) — A Hummer H1 Alpha wagon, the 2006 Duramax modelMotoring Weapon R · CC BY-SA 4.0 ↗
BASE VEHICLEHummer H1 (1992–2006)BUILT BYAM GeneralIN SERVICE2005–06PRODUCTION448 built in 2005LAYOUT4 wheels · 130″

The record

The Alpha answered the H1’s long-standing lack of power; it is the most valuable Hummer and the end of AM General’s civilian line.

Specification

MANUFACTURERAM General ↗
Mishawaka, Indiana
MANUFACTURED2005–06
ENGINE6.6-litre Duramax turbo-diesel V8, 300 hp
PRODUCTION RUN448 built in 2005; 729 in the 2006 model year
COUNTRY OF ORIGINUnited States
STATUSout of production
RECORD KINDNamed model
MODEL LINEHummer H1 and H2
FAMILYHummer H1 and H2
WHEELS4
NOMINAL WHEELBASE130″
BODY STYLEwagon

Catalogue fields describe the vehicle's structure and body as this registry records it. They are not certified factory measurements, and no performance figures are published here.

Variants & colours

Base model variants

Factory colours

  • Black (Hummer)

Codes on hover. Hex values are representative approximations of period paint unless a source states a measured value.

AI rendering impression

An AI rendering impression starts from a 3D model of this vehicle, which an image model then paints into a scene. It is an artist's impression of the type, made to give a feel for the vehicle in its element — not a photograph, and not a record of any particular vehicle.

Proportions, fittings, markings, colours and the setting can all drift from the original in the process. For the vehicle's actual details, rely on the specification, the photographs and the cited sources on this page.

Sources

  1. 1Hummer H1 ↗Wikipedia · accessed 2026-09-22SOURCE

Registry record updated 2026-09-22 · status: researched