Chevrolet Tahoe
1995–99 4-door

Factory gearing, tires, angles and brakes for the Tahoe, 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
117.5 in wheelbase · 36 in front · 46.5 in rear overhang
in
Stock tireP245/75R1630.5 in tall
Axle ratio3.42–3.73Factory, by trim
Crawl ratio31.0:1First × low × axle
Angles26 · 23 · 24°Approach, breakover, departure
Clearance9 inFactory figure
Highway mpg16EPA, 15 with the manual

Tire upgrades, worked out

5.7 V8 4L60E, 3.42s, from P245/75R16
TireHeightUnder the diffsSpeedo at 65RPM at 65Gears for dailyOpen
265/75R1631.6 in+0.6 in63 mph1,653Keep 3.42sOpen →
285/75R1632.8 in+1.2 in60 mph1,5933.73Open →
33x10.50R1633.0 in+1.3 in60 mph1,5853.73Open →
255/85R1633.1 in+1.3 in60 mph1,5823.73Open →
315/75R1634.6 in+2.1 in57 mph1,5124.1Open →
35x12.50R1635.0 in+2.3 in57 mph1,4944.1Open →

Stock turns 1,717 rpm at 65 in top gear. Flotation sizes are nominal; most measure a little short mounted.

Size

Wheelbase
117.5 in
Front overhang
36 in
Rear overhang
46.5 in
Height
76 in
Body
SUV
Stock tires
P245/75R16

Transmissions and low range

4-speed automatic (4L60-E)
3.06 · 1.63 · 1 · 0.7
Low range, np241
2.72:1
Low range, nv246
2.72:1

Axles

Front
GM 8.25 in IFS
Rear
GM 10-bolt 8.5 in
3.42 ratio
5.7 V8 4L60E
3.73 ratio
5.7 V8 4L60E
Ratios made for it
3.73 · 4.1 · 4.56 · 4.88

Brakes

Front rotor
11.61 in, 295 mm
Front caliper piston
75.0 mm
Rear drum
11.15 in, 283 mm
Rear
drum (11.15 x 2.75 in)

Suspension

Front
4x4: double wishbone IFS, torsion bars
Rear
leaf springs, solid axle
Rear layout
Leaf springs

Fuel economy

EPA highway, automatic
16 mpg
EPA highway, manual
15 mpg
Rated years
1995–1999, 4WD

Frame

Rail top at the rear axle
28.3 in off the ground
Measured on
P245/75R16

Aftermarket bumpers

5 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 Tahoe sees how it does on their tires and lift.