Generation
UMM MODEL MISSING (1984–1994)
The UMM MODEL MISSING was produced from 1984 to 1994. MotorDox lists 1 trim for this generation. The UMM MODEL MISSING was produced from 1984 to 1994. The catalogue lists 1 trim. Published specification figures are not available for these trims yet. Open a trim for the full specification.
Last updated 4 November 2026. Source: Estimated standard figures based on historical UMM Alter specifications and Portuguese manufacturer archives.. Unpublished figures are shown as Not available. Fuel economy, CO₂, engine size, fuel, transmission, Euro standard and noise can come from the Vehicle Certification Agency car fuel data, which data.gov.uk lists as Creative Commons Attribution. See the spec glossary. Report a correction.