Editing Merkur XR4Ti (section)

==Options and updates==
The XR4Ti arrived on the market with an extensive list of standard and optional equipment.

'''1985''':
* Standard equipment includes flush headlamps, variable ratio power steering, power mirrors, power disc brakes, nitrogen-pressurized shock-absorbers.<ref name="80s-cars"/>
* Interior equipment includes air conditioning, a 60/40 folding rear seat, and an AM/FM stereo with integrated cassette player.
* A manual transmission is standard and an automatic is optional. Most cars are equipped with manuals.<ref name="mtbg"/>
*  Tires are Pirelli P6 195/60HR14 fitted to 14-inch 8-hole "phone dial" alloy wheels.
* Other features, like  power windows, power door locks, cruise control, leather seats, heated front seats, manual moon-roof, and metallic paint, are extra-cost options.

Many changes were made to the car over its five-year life.<ref name="MEchanges"/><ref name="MCyears"/><ref name="merkurpdf"/><ref name="clubchanges"/> These include:

'''1986''':
* A central high-mounted stop light is integrated into the lower rear wing.
* Windows now roll down below sill edge.
* Driver's side wiper airfoil is dropped.
* Turbocharger outlet tube is now smooth.
* Heater core is upgraded. (Late year change)

'''1987''':
* The XR4Ti inherits many upgrades from the European Sierra Mk.II chassis, including a wider transmission tunnel and different pedal spacing.
* A monochromatic paint scheme that matches the lower body cladding color to the rest of the body becomes a mid-year option. Colors are black, red or white.
* The standard alloy wheels are upgraded to 15-inch 8-slot "pie-spoke" units.
* Tires are now Pirelli P6 195/60HR15.
* The dashboard is redesigned to address premature cracking experienced by earlier cars.
* The diamond-shaped 'Merkur' badge on the rear is replaced with simple “Merkur” text on the deck-lid.
* The fender-mounted antenna is replaced by an antenna trace bonded to the glass of the rear hatch.
* Redesigned steering reduces turns lock-to-lock to 2.42, and turning circle to 35.4 feet.
* The engine receives a new cam cover.
* The sound system is changed. Joystick balance control is removed.
* Three new paint colors are available.
* Oil level sensor and dash indicator is deleted.

[[File:Ford Merkur XR4Ti hatchback blue SOP.jpg|thumb|1988-1989 model with the smaller rear wing]]
'''1988''':
* The bi-plane rear spoiler is replaced by a simpler single-level wing.
* The rear hatch gets a larger glass panel in the hatch with the change of wing, which combines to raise the coefficient of drag.
* The standard alloy wheels are changed to a BBS-style cast wire-spoke model.
* Beige/brown cladding now offered depending on body color.
* Speedometer scale now goes to 150&nbsp;mph.
* New interior colors are available.

'''1989''':
* The dashboard ends are shortened slightly to allow the A-pillar trim to extend past it.
* Cruise-control becomes standard equipment.
* Coolant overflow bottle is relocated.

In addition to the changes above many modifications were incorporated as [[Technical Service Bulletin]]s.<ref name="METSBs"/>