Chevrolet Tahoe
2000–06

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
116 in wheelbase · 37.8 in front · 45.7 in rear overhang
in
Stock tireP265/70R1630.6 in tall
Axle ratio3.73–4.1Factory, by trim
Crawl ratio34.1:1Best trim: LS/LT 4x4 (16-inch wheels)
Angles23 · 22 · 30°Approach, breakover, departure
Clearance8 inFactory figure
Highway mpg16EPA

Tire upgrades, worked out

LS/LT 4x4 (16-inch wheels), 3.73s, from P265/70R16
TireHeightUnder the diffsSpeedo at 65RPM at 65Gears for dailyOpen
265/75R1631.6 in+0.5 in63 mph1,802Keep 3.73sOpen →
285/75R1632.8 in+1.1 in61 mph1,7384.1Open →
33x10.50R1633.0 in+1.2 in60 mph1,7294.1Open →
255/85R1633.1 in+1.2 in60 mph1,7254.1Open →
315/75R1634.6 in+2.0 in57 mph1,6494.56Open →
35x12.50R1635.0 in+2.2 in57 mph1,6304.56Open →

Stock turns 1,864 rpm at 65 in top gear. Flotation sizes are nominal; most measure a little short mounted.

Trims

2 we have figures for
TrimTireTransmissionAxleAnglesClearanceOpen
LS/LT 4x4 (16-inch wheels)P265/70R164-speed automatic3.73 / 4.123 · 22 · 308.0 inUse →
Z71 (17-inch wheels, on/off-road tires)P265/70R174-speed automatic3.73 / 4.125 · 24 · 308.0 inUse →

Size

Wheelbase
116 in
Front overhang
37.8 in
Rear overhang
45.7 in
Height
76 in
Body
SUV
Stock tires
P265/70R16, P265/70R17

Transmissions and low range

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

Axles

Front
GM 8.25 in IFS
Rear
GM 10-bolt 8.6 in
3.73 ratio
LS/LT 4x4 (16-inch wheels), Z71 (17-inch wheels, on/off-road tires)
4.1 ratio
LS/LT 4x4 (16-inch wheels), Z71 (17-inch wheels, on/off-road tires)
Ratios made for it
4.1 · 4.56 · 4.88

Brakes

Front rotor
12.00 in, 305 mm
Front caliper piston
51.0 mm
Rear rotor
12.80 in, 325 mm
Rear
disc (vented, 325 x 20 mm)

Suspension

Front
double wishbone IFS, torsion bars
Rear
5-link (4 links plus track bar), coil springs; Autoride air-assist optional
Rear layout
Factory 4-link

Fuel economy

EPA highway
16 mpg
Rated years
2000–2006, 4WD

Frame

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