Mitsubishi Montero
Gen 1 4-door, 1989–91

Factory gearing, tires, angles and brakes for the Montero, and what the usual upgrades do to it. Every number is from the maker's own figures unless the calculators say otherwise. A few figures here are still waiting on a factory document; the calculators mark them.

Use this truck in the calculators

106.1 in wheelbase · 29.3 in front · 45.9 in rear overhang

Axle ratio4.875Factory

Angles38 · 18 · 28°Approach, breakover, departure

Clearance8.5 in8.1 to 8.5 in by trim

Highway mpg17EPA

Trims

2 we have figures for

Trim	Tire	Transmission	Axle	Angles	Clearance	Open
JDM L149GW mid-roof 2.5 TD, 5MT	205/80R16		4.875	38^* · 18^* · 28^*	8.1 in	Use →
JDM L146GW wide 3.0 V6, 4AT	265/70R15		4.875	38 · 18 · 28	8.5 in	Use →

* The maker doesn’t publish this figure for that trim, so it shows the closest trim’s (same tire where we have one), or a close relative’s that shares the same body or front end. Hover the star to see which.

Size

Wheelbase: 106.1 in
Front overhang: 29.3 in
Rear overhang: 45.9 in
Height: 74 in
Body: SUV
Stock tires: 205/80R16, 265/70R15

Transmissions and low range

Low range, tc1944: 1.944:1
Low range, tc1925: 1.925:1

Axles

Front: Mitsubishi IFS, 7.25 in (4-cyl) / 8 in low-pinion (V6)
Rear: Mitsubishi solid, 8 in (4-cyl) / 9 in (V6)
4.875 ratio: All trims
Ratios made for it: 4.875 · 5.29

Brakes

Front rotor: 10.91 in, 277 mm
Rear drum: 10.00 in, 254 mm
Rear: drum

Suspension

Front: double wishbone IFS, torsion bars
Rear: 3-link with coil springs (LWB got coils; SWB kept leaves)
Rear layout: Factory 3-link

Fuel economy

EPA highway, automatic: 17 mpg
EPA highway, manual: 17 mpg
Rated years: 1989–1991, 4WD

Aftermarket bumpers

1 listed

Makers almost never publish angles, bottom heights or how far a bumper tucks, so these fill in as owners measure them. Measured yours? Add it on the rig page and every owner of this Montero sees how it does on their tires and lift.

Front 1

Fabryka 4x4 Front Bumper Mitsubishi Pajero I 82-91winch ready

Rear

None listed yet.

Every calculator, set up for the Montero

Tire sizeBigger tires: speedo, clearance, angles and brakes.Compare tires RegearHighway RPM on every ratio and mpg.Pick your gears Crawl ratioHow slow it creeps, against other trucks.Work out crawl SpeedometerWhat it really reads on new tires.Fix your speedo LinksAnti-squat and what a lift does to it.Check your links Your rigBuild sheet and measured angles.Start a build sheet LeaderboardsWhere the Montero ranks against every stock truck.See where it ranks

Source: car.motor-fan.jp. Aftermarket 2.85:1 low-range gears fit Gen 1 transfer cases.

Use at your own risk. These calculators are here to help you plan and to inform your decisions, not to sign off on a build. Many numbers are estimates worked out from factory figures, and some factory figures are not yet confirmed. Check every number against your own truck, its manuals and a qualified shop before you buy parts, cut, weld, lift, regear or drive on it. Long Range Desert Tools is not liable for anything you do based on these calculators or their results. The full terms are in our policies.

Mitsubishi MonteroGen 1 4-door, 1989–91