CadillacEldorado1978Overview/cadillac/eldorado/1978/base/

1978 Cadillac Eldorado

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1978 Eldorado.

Model year19781970

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length223.6 in
Overall width79.1 in
Overall height54.3 in
Wheelbase126.4 in

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the Eldorado of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

10.9 sec0–60 mph (tested)quickest 10.90 sec — 1975 Coupe
YearTrim / engine0–60¼ mileHPDrivetrain
1975Coupe 8.2L V810.90 sec17.60 sec190 hpFWD

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Eldorado. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Reference guides

Cross-vehicle references for the kinds of data on this page.