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1978 Cadillac Seville

$19,500

Vehicle Details

Make

Cadillac

Model

Seville

Year

1978

Mileage

76,041 miles

VIN

6S69B8Q459875

Body Type

Sedan

Transmission

Automatic

Fuel Type

Gasoline

Engine

5.7 LT 350

Description

VERY RARE!!!!!!!!!!!!!!! THE ELEGANTE' IS A LIMITED EDITION CADILLAC!!! 1 OF ONLY 5,000 FACTORY ORIGINAL FIRST-YEAR ELEGANTE MODELS PRODUCED ONE OF THE MOST EXPENSIVE AMERICAN CARS IN 1978 ULTRA-LUXURY TOP-TIER PACKAGE BUILT TO RIVAL EUROPEAN IMPORT SUPERCARS ONLY 76K ORIGINAL MILES!!!!!!!!!!!!!!! 5.7L 350...ONE OF THE MOST RELIABLE ENGINES CADILLAC EVER PRODUCED!!! PLATINUM METALLIC OVER SABLE BLACK ORIGINAL FACTORY TWO-TONE PAINT SCHEME PERFORATED GRAY LEATHER SEATS FACTORY LEATHER-WRAPPED CENTER CONSOLE WITH ORIGINAL FOLD-DOWN ARMREST FACTORY STAINLESS STEEL TRIM JUST SERVICED AIR CONDITION WITH NEW COMPRESSOR RECENTLY SERVICED FUEL INJECTION FACTORY WIRE WHEELS SHINING FULL-LENGTH BRUSHED CHROME BELTLINE UPPER BODY ACCENT MOLDINGS RICH WOODGRAIN DASHBOARD TRIM WITH MATCHING COLOR-COORDINATED STEERING WHEEL LOADED WITH TOTAL LUXURY OPTIONS INCLUDING POWER WINDOWS SEATS AND LOCKS FACTORY AUTOMATIC SELF-LEVELING REAR SUSPENSION FOR UNMATCHED CLOUD-LIKE RIDE PLEASE CALL HOLLYWOOD MOTORS FOR DETAILS 631-620-3330 FINANCING IS AVAILABLE WE SHIP WORLDWIDE TRADES ARE WELCOME Here at Hollywood Motors, we pride ourselves on selling quality classic cars at affordable prices. Please keep in mind that all of our classics are pre-owned vehicles, not new vehicles. We describe these automobiles to the best of our knowledge, and place many photos on our website.

We are not responsible for misprints or typos. With any pre-owned vehicle, there may be minor imperfections, and we encourage you to come and inspect our inventory in person before you buy any vehicle. Trim: Elegante
Options: Factory Premium Sound System

Cadillac Seville Buyer's Guide

Full guide

Sarah Whitfield

Pre-War Classics

1975–1985

~3 min read

Updated Apr 2026

Cadillac's sophisticated answer to Mercedes-Benz — the 1975–1979 Seville is a compact American luxury masterpiece that remains elegantly undervalued.

This guide covers

✓ 8-point inspection checklist

✓ Common issues & what to avoid

✓ In-person inspection guide

✓ Market pricing by year & condition

✓ 3 FAQs answered

✓ History & fun facts

Read the Full Seville Buyer's Guide

Cadillac Seville Market Overview

Based on 14 Cadillac Seville listings currently on ClassicCarsArena.com

Listed Now

$22,689

Avg. Asking Price

1958–1988

Year Range

Price Position on Our Site — Average Range

This car: $19,500

Low: $6,495 High: $54,995

Transmission Distribution

Automatic 93% ◄

Condition Distribution

Excellent 7%

Good 7%

Data from ClassicCarsArena.com listings Browse all 14 listings →

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What is this car worth?

Check sold prices for the 1978 Cadillac Seville

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Cadillac Seville Buyer's Guide

The Cadillac Seville represents Cadillac's most significant strategic pivot since the postwar era: a deliberate, sophisticated answer to the import luxury threat from Mercedes-Benz and BMW. Smaller, lighter, and more refined than any Cadillac before it, the Seville proved that American luxury could adapt to the 1970s energy crisis without sacrificing prestige. Today it is an affordable, elegant classic that rewards the discerning buyer who looks past badge snobbery.

What to Check Before Buying

✓

Test EFI system through cold start, warm idle, and hot restart (1975–1979) —

✓

Inspect Nova-platform floor pans and rocker panels for rust —

✓

Test all vacuum-operated accessories (windows, locks, climate) —

✓

On HT4100 cars: look for white exhaust, overheating history, and verify head bolt condition —

✓

Verify A/C function or assess R-12 to R-134a retrofit cost —

✓

Inspect leather interior condition — correct color/grain replacement is expensive —

✓

Check for diesel engine (identify by badging and exhaust color) — verify complete rebuild if present —

✓

Confirm trunk and interior dry — no water intrusion from roof or quarter windows —

Common Issues

The Bendix EFI on first-generation cars needs attention on most survivors — hot-start issues and lean surge are common. HT4100 head gaskets and head bolt thread pull-out are the defining problem of 1982–1984 cars — many have been poorly repaired. Diesel V8s require complete rebuilds if not recently done. Nova-based structure rusts in the usual floor and rocker locations.

What to Look For

The ideal Seville is a first-generation 1977–1979 car in a classic color combination — Cotillion White/Antique Saddle or Firethorn Red/Antique Parchment — with a sorted EFI system and dry, rust-free structure. These cars are still regularly found as estate vehicles with modest mileage and careful ownership. Avoid any car described as 'just needs the engine sorted' on HT4100 generations.

Price Guide

First-gen 1976–1979: $6,000–$12,000 driver; $14,000–$20,000 detailed. 1980–1981 bustle-back: $5,000–$14,000. 1982–1985 HT4100: $3,000–$8,000 (engine risk makes higher prices unjustifiable without specialist documentation). EFI rebuild budget: $800–$1,500.

Did You Know?

The Seville was the only American car with standard electronic fuel injection when it debuted in 1975. Its Nova platform underpinnings were the worst-kept secret in Detroit, yet the execution was so convincing that Road & Track compared it favorably to the Mercedes-Benz 280S. The bustle-back 1980 design was inspired by Hooper-bodied Rolls-Royces of the 1940s and 1950s — a direct reference to British coachbuilding tradition.

Elite Dealer

$19,500

1978 Cadillac Seville

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