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1991 Ford Mustang GT

$26,495

Vehicle Details

Make

Ford

Model

Mustang GT

Year

1991

Mileage

19,000 miles

Body Type

Convertible

Transmission

Manual

Engine

5.0L V8

Description

1991 Ford Mustang GT Convertible – 5.0L V8 | 19K Miles | 5-Speed Manual Beautiful 1991 Ford Mustang GT Convertible with only 19,000 miles. This low-mile Fox Body Mustang is powered by the legendary 5.0L V8 paired with a manual transmission and remains in excellent condition. Highlights: 5.0L V8 engine Manual transmission Only 19,000 miles No rust Runs and drives great White exterior Convertible top Clean, well-kept example A fantastic opportunity to own a low-mile Fox Body GT Convertible.

These iconic Mustangs continue to gain popularity among collectors and enthusiasts, and this one is ready to be enjoyed.

Ford Mustang GT Buyer's Guide (Fox Body, 1982–1993)

Full guide

Mike Sullivan

Muscle Cars

1982–1993

~4 min read

Updated Apr 2026

The Fox Body Mustang GT is the blue-collar muscle car of the 1980s — light, simple, and with the 5.0 HO under the hood, genuinely fast for its era. Values have moved sharply as the generation that grew up with these cars starts buying them back. A rust-free, unmolested GT is harder to find every year.

This guide covers

✓ 10-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 Mustang GT Buyer's Guide

Ford Mustang Market Overview

Based on 324 Ford Mustang listings currently on ClassicCarsArena.com

324

Listed Now

$38,342

Avg. Asking Price

1937–2012

Year Range

Price Position on Our Site — Average Range

This car: $26,495

Low: $3,000 High: $200,499

Transmission Distribution

Automatic 50%

Manual 34% ◄

Condition Distribution

Excellent 13%

Good 12%

Fair 4%

Poor 1%

Project 0%

Data from ClassicCarsArena.com listings Browse all 324 listings →

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Ford Mustang GT Buyer's Guide (Fox Body, 1982–1993)

I spent a lot of time around these cars in the early 1990s — there were Mustang GTs in every other driveway in my neighborhood. Back then nobody thought about preserving them. They got modified, crashed, raced, and discarded. That's exactly why a clean, original Fox Body GT is harder to find than people expect. The ones that survived are mostly either basket cases or survivors that somebody took care of. The basket cases are everywhere and cheap. The survivors are what you want, and they aren't cheap anymore.

What to Check Before Buying

✓

Cowl rust probe — Probe ledge under windshield — the primary structural rust zone on Fox Mustangs

✓

Shock tower inspection — Look down at upper strut mounts from engine bay front — rust here is structural

✓

Floor pans at firewall — Check seam where floor meets firewall under front seat carpet

✓

Lower rear quarters — Inspect behind rear wheel openings for rust

✓

Convertible rocker rails — On convertible: probe rocker area under body for frame rail rust

✓

T-5 transmission shift — Test 2nd and 3rd gear synchros — grinding = worn synchro rings

✓

Modification inventory — Document all non-stock parts — assess quality and reversibility

✓

Cooling system condition — Check coolant color and hose condition — overheating damages head gaskets

✓

VIN engine code — Confirm position 8 of VIN is "M" for 5.0 HO V8

✓

Stock originality check — Note air intake, exhaust, and suspension — all-stock examples command premium

Common Issues

Cowl rust is the primary structural failure mode — water pools under the windshield and rots the structural ledge from inside. Shock tower rust compromises the strut mounting point — a safety issue. T-5 transmission synchronizer failure on 2nd and 3rd is extremely common on any car that has been driven hard. Floor pan rust at the firewall seam. Convertible rocker rust from frame flex and water intrusion. The 5.0 HO head gaskets are reliable but fail when the cooling system is neglected or the engine is heavily modified without upgraded cooling. Nearly every Fox GT has been modified to some degree — hidden modifications that affect reliability are common.

What to Look For

Cowl ledge under windshield — probe for rust before evaluating anything else. Shock towers in engine bay — stand at front and look down at upper strut mounts for bubbled paint or rust. Floor pans under front seats at firewall seam. Lower rear quarters behind wheels. Convertible frame rails under rockers. Verify 5-speed T-5 shift quality — worn synchros on 2nd and 3rd are common on high-mileage or modified cars. Inspect for modification history: air intake, exhaust, suspension changes. On SEFI cars (1987+): scan for check engine codes if OBD port is accessible. Look for signs of overheating (headgasket): white residue at coolant overflow, oil cap underside condition.

Price Guide

Driver-quality 1987–1993 GT hatchback: $14,000–$22,000. Show quality unmodified: $25,000–$38,000. Low-mileage 1993 GT: $38,000–$48,000+. Convertibles add 25–35% premium. Carbureted 1982–1986 GT: $10,000–$18,000 driver; $20,000–$30,000 show. LX 5.0 trades 15–25% below GT prices. Heavily modified cars price unpredictably — build quality determines whether modifications add or subtract value.

Did You Know?

The Fox Body Mustang GT was Car and Driver's 1983 10Best selection. By 1992, the 5.0 Mustang had spawned an aftermarket industry worth an estimated $300 million annually. The Fox platform was also used for the Ford Thunderbird, Lincoln Continental, and Mercury Capri — the Mustang was the performance pin on a very broad platform map. The 5.0 HO engine code appears in the VIN as position eight, the letter "M."

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$26,495

1991 Ford Mustang GT

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