1989 Ford Mustang GT Convertible �€" 5.0 HO V8, Full GT Aero
Package, Low Miles Why This Car Is Special The 1989 Ford Mustang GT
Convertible occupies a specific and well-earned spot in Fox-body
history. By 1989, Ford had refined the third-generation Mustang
into a genuinely capable performance car, and the GT trim
represented the top of that lineup outside of the
limited-production 5.0 LX. The 5.0 High Output V8 was putting out
225 horsepower and 300 lb-ft of torque that year, numbers that gave
the Mustang GT a real performance advantage over most of its
contemporaries. Car and Driver consistently clocked the 5.0 GT in
the low 6-second range for the 0-60 sprint during this era, which
made it one of the fastest cars available at any price point when
new. What separates this particular example from the crowd is its
condition and its combination of options. The odometer shows just
40 miles �€" this car has been essentially unused, and the
undercarriage photos confirm it. The floorpan, suspension
components, and frame rails are clean and black, with no rust, no
rot, and no evidence of hard use or deferred maintenance. For a
35-year-old convertible, that is a meaningful detail. Convertibles
in particular tend to show their age in the structure and
underneath, and this one does not. The VIN confirms this is a
factory GT convertible built at the Dearborn Assembly Plant, with
the 5.0 HO engine and automatic transmission as original equipment.
The '45' in the body code position confirms the convertible body
style. This is not a coupe converted after the fact. Fox-body
Mustang GT convertibles from 1987 through 1993 are among the most
collected American cars of the late 1980s and early 1990s, and
values on well-preserved, low-mile examples have been climbing
steadily. The combination of the full GT aero body kit, the glass
rear window, the leather interior, and the near-zero mileage makes
this one of the more complete and honest examples of the model you
are likely to find. Features List - 5.0 HO V8, 302 cubic inches,
electronic fuel injection - AOD 4-speed automatic transmission -
Black convertible top with glass rear window - GT hood with
functional-style scoop - Factory GT aero body kit with front air
dam, rocker extensions, and rear valance - Rear deck spoiler -
Integrated fog lights - GT pony alloy wheels - 5.0 fender badges -
Gray leather bucket seats, front - Gray leather bench seat, rear -
Center console with cup holders - Tachometer - Tilt steering wheel
- Power steering and power brakes - Front disc brakes - Dual
exhaust - Air conditioning - Power windows and power door locks -
Cruise control - Aftermarket stereo - Mustang pony floor mats -
Clean undercarriage Mechanical The heart of the 1989 Ford Mustang
GT Convertible is Ford's 5.0 High Output V8, displacing 302 cubic
inches. By 1987, Ford had upgraded the 5.0 HO to the sequential
electronic fuel injection system �€" known as SEFI �€" which
replaced the earlier speed-density EFI setup and gave the engine
improved throttle response, better cold-start behavior, and more
consistent power delivery across the rev range. The intake manifold
is the GT-40-style upper and lower configuration that became iconic
on these cars, and the valve covers wear the correct 5.0 HO badging
in red, white, and blue that Fox-body enthusiasts know well. Paired
to the engine is Ford's AOD 4-speed automatic overdrive
transmission. The AOD gets a mixed reputation among enthusiasts who
prefer the manual, but it is mechanically sound, includes a true
overdrive fourth gear for highway cruising, and suits an open-top
car like this one well. The undercarriage photographs show the AOD
transmission pan clearly marked with the Ford oval, and the
surrounding structure is coated and clean. The rear axle housing
and suspension arms have been treated and show no corrosion. The
dual exhaust system is in place with both mufflers visible and
intact. Braking is handled by front discs with rear drums, backed
by power-ass
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