Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1978 Horizon.
The 1978 Plymouth Horizon Overview serves as the reference page for the 1978 Plymouth Horizon, a model whose body style, platform, engine, standout specifications, and reliability history are documented within this resource. This overview frames the vehicle for researchers by consolidating the available facts about the 1978 model year. The entry provides the foundation for understanding where this inaugural year sits in the Horizon's broader narrative.
Engine, drivetrain, dimensions and economy.
| Overall length | 163.4 in |
| Overall width | 66.1 in |
| Overall height | 53.5 in |
| Wheelbase | 99.2 in |
| Curb weight | 2136 lb |
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Showing 2 of 8 campaigns on record for this vehicle.
THE FUEL TANKS ON THE INVOLVED VEHICLES MAY EXHIBIT FUEL LEAKAGE WHEN COMPLETELY FILLED. THIS CONDITION WAS CAUSED BY THE REAR FLOOR CARPET FASTENERS PENETRATING THE TOP OF THE FUEL TANK. Remedy: THE DEALER WILL INSPECT VEHICLES FOR PRESENCE OF CARPET FASTENERS ACROSS THE REAR SEAT AREA. IF ANY FASTENERS ARE FOUND, THEY WILL BE REMOVED, THE FLOOR PAN HOLES SEALED, AND THE…
THE ALTERNATOR FIELD WIRING TERMINAL CONNECTIONS ON THE INVOLVED VEHICLES MAY LOOSEN DUE TO VIBRATION, POSSIBLY RESULTING IN AN OPEN CIRCUIT CONDITION. SHOULD THIS OCCUR, ALTERNATOR ELECTRICAL OUTPUT TO SUPPORT THE… Remedy: DEALER WILL INSTALL AN ALTERNATOR REPAIR KIT WHICH INCLUDES A NEW ALTERNATOR WIRING HARNESS AS WELL AS NEW TERMINALS. DEALER WILL ALSO INSPECT THE VEHICLE FOR THE PRESENCE OF A…
Showing 1 of 1 bulletins on record with NHTSA.
| Bulletin | Date | Component | Summary |
|---|---|---|---|
| 21-15-80 | 1980-06-01 | Power Train | UNKNOWN |
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Cross-vehicle references for the kinds of data on this page.
NHTSA lists 8 recall campaign(s) for this model year. Check your specific vehicle by VIN.