Model year 2018 · K2XX (2015–2020)

2018 Chevrolet Tahoe specs

The 2018 Chevrolet Tahoe tows 4,000–8,600 lb, carries 1,550–1,708 lb of payload, has 8.5–10.7 in of ground clearance, weighs 5,185–5,602 lb at the curb and measures 203.9–204.0 in long, by configuration, per Chevrolet’s own documents.

We hold 11 configurations of the 2018 Tahoe, and Chevrolet gives a figure for every one.

Retail configurations: 11
Documents: 7

01 / Configurations

Every 2018 Tahoe configuration

11 retail configurations sold in 2018, each with the figures Chevrolet publishes for it. A number a factory package raises shows under the configuration’s own. Chevrolet gives figures for weights, dimensions, towing and clearance and angles.

201811 configurations

2018 Chevrolet Tahoe K2XX: every configuration with its numbers
Configuration	Ground clearance	Max towing	Max payload	Curb weight	Tires
LS 5.3L EcoTec3 V8 2WD	7.9 in	6,600 lb8,600 lb²	—	5,309 lb	P265/65R18
LS 5.3L EcoTec3 V8 4WD	7.9 in	6,400 lb8,400 lb²	—	5,545 lb	P265/65R18
LT 5.3L EcoTec3 V8 2WD	7.9 in	6,600 lb8,600 lb²	—	5,309 lb	P265/65R18
LT 5.3L EcoTec3 V8 4WD	7.9 in	6,400 lb8,400 lb²	—	5,545 lb	P265/65R18
Premier (2017-2020) 5.3L EcoTec3 V8 2WD	7.9 in	6,600 lb8,600 lb²	—	5,309 lb	P275/55R20
Premier (2017-2020) 5.3L EcoTec3 V8 4WD	7.9 in	6,400 lb8,400 lb²	—	5,545 lb	P275/55R20
Retail (trim not specified) 6.2L EcoTec3 V8 2WD	—	8,400 lb	—	5,309 lb	—
Retail (trim not specified) 6.2L EcoTec3 V8 4WD	—	8,100 lb	—	5,545 lb	—
Police Pursuit Vehicle (9C1), fleet 5.3L EcoTec3 V8 2WD	8.5 in	4,000 lb	1,550 lb1,588 lb¹	5,223 lb	P265/60R17
Police Pursuit Vehicle (9C1), fleet 5.3L EcoTec3 V8 4WD	8.5 in	4,000 lb	1,590 lb1,628 lb¹	5,480 lb	P265/60R17
Special Service Vehicle (5W4), fleet 5.3L EcoTec3 V8 4WD	10.7 in	6,400 lb8,400 lb²	1,670 lb1,708 lb¹	5,602 lb	P255/70R17

MakerSources: 2018 Chevrolet Trailering Guide (Colorado, Tahoe, Suburban, Equinox and Traverse trailer weight ratings page) · Canadian Vehicle Specifications, Chevrolet Tahoe (NHTSA vPIC GetCanadianVehicleSpecifications, metric; query Year=2015) · 2018 Tahoe 2WD Police Package 9C1 specification guide · 2018 Tahoe 4WD Police Package 9C1 specification guide · 2018 Tahoe 4x4 Special Service specification guide

Third-partySources: 2018 Chevrolet Tahoe Dimensions (iSeeCars, ground clearance per trim and style) (iSeeCars.com) · 2018 Chevrolet Tahoe Tire Size (iSeeCars, tyre per trim and style) (iSeeCars.com)

¹ With the 40/40 front seat (fleet option): the maker’s figure for the configuration with that factory option.
² With the Max Trailering Package (NHT): the maker’s figure for the configuration with that factory option.

A dash means the maker’s documents we have don’t give that number for that configuration, and a column with no number for any configuration of the year isn’t shown. “Door label” means the maker prints it only on each vehicle’s certification label, and “not published” that the maker doesn’t print it, or points elsewhere. “Up to” is a ceiling the maker prints over several configurations; a range is the maker’s own, printed across the grades of that configuration.

Third-partyA double underline marks a figure from a magazine test, dealer or spec site, not the maker’s own documents: shown only where the maker publishes nothing, and never used for a headline, comparison or ranking. Its page is listed with the year’s sources.

02 / What changed

New for 2018

The 2018 Tahoe against the 2017, the previous model year we hold. Only what Chevrolet’s documents show: nothing here is inferred.

Added: 2 configurations (Retail (trim not specified) 6.2L EcoTec3 V8 2WD and Retail (trim not specified) 6.2L EcoTec3 V8 4WD).
Same range as the 2017: towing, payload, ground clearance, curb weight and length.

03 / Tires

2018 Tahoe stock tire sizes

The tire sizes Chevrolet fits at the factory in 2018, the standard ones first.

2018 Chevrolet Tahoe stock tire sizes, with the configurations they are fitted to
Tire size	Wheel	Diameternominal
P265/60R17Standard: Police Pursuit Vehicle (9C1), fleet	17 in	29.5 in
P255/70R17Standard: Special Service Vehicle (5W4), fleet	17 in	31.1 in

Tahoe tire sizes, with wheel specs and what bigger tires change

04 / Sources

The 2018 documents

7 documents behind the 2018 Tahoe’s figures. The maker’s own come first; a third-party page fills in only a number the maker doesn’t publish, and wears its own mark.

Documents last checked Oct 12, 2026. How we read them and what the marks mean: how we source the numbers. A figure doesn’t match its document? Report a wrong number.

05 / Keep going

More on the Tahoe

Tahoe K2XXEvery K2XX configuration, model year by model year, with clearance, angles and weights (2015–2020).Open the K2XX specs 2018 Tahoe towingMax towing, GCWR, payload and tongue weight for every rated configuration.See the towing table Tahoe tire sizesStock tire and wheel sizes by trim, and what bigger tires change.See tire sizes Tahoe specsEvery generation, the spec plate and the rig builder.Open the model page

These are Chevrolet’s published figures for the models it describes, not a weighbridge or a tape measure; your own vehicle’s options change them. Found a figure that doesn’t match the document? Tell us.