Elite Dealer

1966 Mercury Monterey

Michigan

$10,995

Vehicle Details

Make

Mercury

Model

Monterey

Year

1966

Mileage

99,000 miles

VIN

AMS17887

Body Type

Convertible

Transmission

Automatic

Engine

390

Description

1966 Mercury Monterey 2-door Convertible 390 cubic inch 2 barrel carburetor New exhaust system Needs interior carpeting Runs and in very good condition. Just needs a little TLC and can be Dream Cruise ready! Please Note The Following **Vehicle Location is at our clients home and Not In Cadillac, Michigan. **We do have a showroom with about 25 cars that is by appointment only **Please Call First and talk to one of our reps at 231-468-2809 EXT 1 **

Mercury Monterey Buyer's Guide

Full guide

Jim Vasquez

Hot Rods

1952–1974

~3 min read

Updated Apr 2026

The Mercury Monterey gave the custom culture its most iconic raw material in the 1952–1956 era, and then reinvented itself as a serious big-block performer with the 427 FE engine in the 1960s. Two completely different collector cars wearing the same badge.

This guide covers

✓ 8-point inspection checklist

✓ Common issues & what to avoid

✓ In-person inspection guide

✓ Market pricing by year & condition

✓ 4 FAQs answered

✓ History & fun facts

Read the Full Monterey Buyer's Guide

Mercury Monterey Market Overview

Based on 36 Mercury Monterey listings currently on ClassicCarsArena.com

Listed Now

$29,032

Avg. Asking Price

1941–1970

Year Range

Price Position on Our Site — Below Average

This car: $10,995

Low: $5,995 High: $89,995

Transmission Distribution

Automatic 64% ◄

Manual 14%

Condition Distribution

Excellent 6%

Good 8%

Fair 3%

Data from ClassicCarsArena.com listings Browse all 36 listings →

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What is this car worth?

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Mercury Monterey Buyer's Guide

Jim Vasquez here. When people talk about the "'51 Mercury," they usually mean any early-1950s Merc — and the Monterey is the car they mean. It was Mercury's top trim level for most of its run, the version that came with the most chrome, the best interior, and the proportions that George Barris, the Ayala brothers, and a hundred backyard customizers attacked with lead sleds and lowering blocks. The 1952–1956 Monterey is custom culture's favorite canvas.

But the Monterey story doesn't end in the 1950s. By 1966, Mercury was dropping the 427ci FE big block into the Monterey — a NASCAR-derived engine in a full-size cruiser. Same name, completely different animal. Two very different cars for two very different collectors.

What to Check Before Buying

✓

Lower Door Rust (1952–1956) — Probe lower door skins and sills — standard failure locations on all early Ford-family cars.

✓

Flathead Block Integrity — On 1952–1953 flathead cars, verify no cooling system history of overheating — cracked blocks are a known risk.

✓

Sun Valley Plexiglas — On 1954 Sun Valley, inspect the roof Plexiglas for cracks and yellowing — replacement is expensive and difficult.

✓

427 FE Documentation — On claimed 427 cars, verify engine codes against broadcast sheet or VIN documentation — clones exist.

✓

Trunk Floor Rust — Check trunk pan for water intrusion rust — common on all full-size Mercurys of any era.

✓

Power Window Circuits — Test all power windows through full travel — connector corrosion causes common failures.

✓

FE Carburetor Condition — Cold start and warm idle on 390/427 FE — varnished carbs from sitting are standard on undriven cars.

✓

Exhaust Manifolds — Listen for ticking at cold start — FE manifold cracks are common on high-mileage examples.

Common Issues

Lower door rust and floor pan corrosion on 1952–1956 cars. Flathead V8 overheating and block cracking if cooling system has been neglected. Sun Valley Plexiglas roof yellowing and cracking — extremely difficult to source correct replacements. Mid-1960s power window circuit failures. 427 FE documentation absent on claimed original cars — clone risk. 390 FE carburetor varnish on long-stored cars. Exhaust manifold cracks on high-mileage FE engines. 1971–1974 trunk floor rust from water intrusion through aging seals.

What to Look For

On 1952–1956 Montereys, inspect the lower door skins, sill areas, and floor pans — standard rust locations on any early Ford-family car. The flathead V8 in 1952–1953 cars is prone to cracked blocks from overheating — verify the cooling system has been maintained and the block has been magna-fluxed if there's any doubt. On the Sun Valley (1954), inspect the Plexiglas roof insert for cracks and yellowing — replacement is difficult and expensive. On 1966–1967 claimed 427 FE cars, verify the engine codes against the VIN and any available broadcast sheet documentation — a transplanted 427 has no performance provenance. On any full-size Monterey, inspect the rear trunk floor for water intrusion rust and check the power window circuits for connector corrosion.

Price Guide

1952–1953 Monterey flathead V8 (driver): $12,000–$25,000. 1954–1956 Monterey Y-block (driver): $10,000–$22,000. 1954 Sun Valley Plexiglas (original): $25,000–$50,000. 1966–1967 Monterey 390ci: $9,000–$20,000. 1966–1967 Monterey factory 427ci (documented): $28,000–$55,000. 1968–1970 Monterey 429ci: $8,000–$18,000. 1971–1974 Monterey: $5,000–$12,000. Custom-built early Montereys (show quality): $30,000–$150,000+ depending on builder and provenance.

Did You Know?

The 1954 Mercury Monterey Sun Valley with its transparent Plexiglas roof insert was one of America's first production cars with a factory sunroof concept — and it was discontinued after one year because the greenhouse heat made summer driving unbearable. The Hirohata Merc — the most famous custom car ever built, completed by the Barris shop in 1952 — used a 1951 Mercury as its base, one year before the Monterey name arrived. The 427ci FE engine offered in the 1966–1967 Monterey was the same engine winning Le Mans and Daytona for Ford during those years — making the full-size Monterey the only family-car-sized vehicle that shared an engine with Le Mans winners.

Elite Dealer

$10,995

1966 Mercury Monterey

Michigan

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