2026 model year · Fourth generation (T1)

Chevrolet Silverado 1500 tire size

Largest standard tire, 2026275/60R20

Maker33.0 in tall, nominal

The 2026 Chevrolet Silverado 1500 comes on 255/70R17 or 275/60R20 tires as standard, by trim, per Chevrolet’s “2026 Silverado Crew Cab 5W4 SSV”.

255/70R17: WT Special Service Vehicle.

275/60R20: WT Police Pursuit Vehicle.

2026 Silverado Crew Cab 5W4 SSV (specification guide)

Standard sizes: 2
Wheels: 17–20 in

2019 Chevrolet Silverado LT Trail Boss at the New York auto show — Photo: Kevauto, CC BY-SA 4.0, via Wikimedia Commons, resized.

01 / Stock

Tires and wheels on every 2026 Silverado 1500

The size each configuration leaves the factory on, and the one an option package swaps in.

2026 Chevrolet Silverado 1500

MakerEstimate ±

Stock tire and wheel sizes of the 2026 Chevrolet Silverado 1500 by configuration
Configuration	Tire	Tall in, nominal	Wheel	Type
WT Special Service Vehicle	255/70R17^{source 1}	31.1	not in our data	not in our data
WT Police Pursuit Vehicle	275/60R20^{source 2}	33.0	20x9 painted steel^{source 2}	All-Season Blackwall^{source 2}

Tire, wheel and fitment figures are the maker’s. “Tall” is worked out from the size code (dashed); a real tire measures a little differently. —: not in the documents we hold yet.

SourcesMakerThe small number by a figure says which document it is from.

Documents last checked Oct 7, 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.

02 / Bigger tires

What the next sizes up change

From each stock size, the common larger sizes on the same wheel: how much taller, how far the axles rise, what the speedometer shows and how the axle ratio behaves. Whether one fits your Silverado 1500 depends on lift, wheel offset and trim; these figures don’t say.

From 255/70R17Stock on the WT Special Service Vehicle · 31.1 in tall

What larger tires change compared with the stock 255/70R17
Size	Tall in	Axles rise in	At an indicated 60 true mph	Axle ratio acts like	Compare
255/70R17stock	31.1	0.0	60.0	3.23	Baseline
265/70R17+0.6 in taller	31.631.1 to 32.1	+0.3±0.0 to +0.5	61.160.1 to 62.0	3.173.13 to 3.22	Compare →
285/70R17+1.7 in taller	32.732.2 to 33.2	+0.8+0.6 to +1.1	63.262.2 to 64.1	3.073.02 to 3.11	Compare →
285/75R17+2.8 in taller	33.833.3 to 34.3	+1.4+1.1 to +1.6	65.464.4 to 66.3	2.962.92 to 3.01	Compare →
315/70R17+3.3 in taller	34.433.8 to 34.9	+1.7+1.4 to +1.9	66.465.4 to 67.4	2.922.88 to 2.96	Compare →
35x12.50R17+3.9 in taller	35.034.5 to 35.5	+2.0+1.7 to +2.2	67.666.6 to 68.6	2.872.82 to 2.91	Compare →

Estimate ±Worked out from the nominal sizes; the small line is the range for real tires within 1.5% of nominal.

From 275/60R20Stock on the WT Police Pursuit Vehicle · 33.0 in tall

What larger tires change compared with the stock 275/60R20
Size	Tall in	Axles rise in	At an indicated 60 true mph	Axle ratio acts like	Compare
275/60R20stock	33.0	0.0	60.0	3.23	Baseline
275/65R20+1.1 in taller	34.133.6 to 34.6	+0.5+0.3 to +0.8	62.061.0 to 62.9	3.133.08 to 3.17	Compare →
35x12.50R20+2.0 in taller	35.034.5 to 35.5	+1.0+0.7 to +1.3	63.762.7 to 64.6	3.043.00 to 3.09	Compare →
37x12.50R20+4.0 in taller	37.036.4 to 37.6	+2.0+1.7 to +2.3	67.366.3 to 68.3	2.882.84 to 2.92	Compare →

Estimate ±Worked out from the nominal sizes; the small line is the range for real tires within 1.5% of nominal.

Assumption, not data

Heights come from the size code. A real tire of a size measures within about 1.5% of it, depending on brand, tread, wheel width and pressure, so each figure carries that range. The axles rise by half the change in height; the body only rises with a lift.

03 / By year

Silverado 1500 stock tires by model year

Stock tire sizes of the Chevrolet Silverado 1500 by model year
Year	Stock sizes
2026	255/70R17 WT Special Service Vehicle 275/60R20 WT Police Pursuit Vehicle
2025	255/70R17 WT Special Service Vehicle 275/60R20 WT Police Pursuit Vehicle
2024	255/70R17 WT Special Service Vehicle 275/60R20 WT Police Pursuit Vehicle
2023	255/70R17 WT Special Service Vehicle 275/60R20 WT Police Pursuit Vehicle
2022	255/70R17 WT Special Service Vehicle 275/70R18 ZR2
2021	255/70R17 WT Special Service Vehicle
2020	255/70R17 WT Special Service Vehicle; Trim not specified with the 17 x 8 wheels with P255/70R17 tires (tire RPOs RBZ, RC3, RC5) 275/65R18 Trail Boss 265/65R18 Trim not specified with the 18 x 8.5 wheels with P265/65R18 tires (tire RPOs RKX, RBX, RI8)
2019	255/70R17 WT Special Service Vehicle 275/65R18 Trail Boss
2018	275/55R20 High Country
2017	275/55R20 High Country
2016	275/55R20 High Country
2015	275/55R20 High Country
2013	245/70R17 Trim not specified, XFE, Hybrid (1HY, 2HY) with the P245/70R17 tires; Trim not specified, XFE, Hybrid (1HY, 2HY) with the LT245/70R17 tires 265/70R17 Trim not specified, XFE, Hybrid (1HY, 2HY) with the P265/70R17 tires 265/65R18 Trim not specified, XFE, Hybrid (1HY, 2HY) with the P265/65R18 tires 275/55R20 Trim not specified Short bed/Standard bed, XFE, Hybrid (1HY, 2HY) with the P275/55R20 tires
2012	245/70R17 WT, LS, LT, LTZ, XFE, Hybrid (1HY, 2HY) with the P245/70R17 tires; WT, LS, LT, LTZ Short bed/Standard bed, XFE, Hybrid (1HY, 2HY) with the LT245/70R17 tires 265/70R17 WT, LS, LT, LTZ, XFE, Hybrid (1HY, 2HY) with the P265/70R17 tires 265/65R18 WT, LS, LT, LTZ, XFE, Hybrid (1HY, 2HY) with the P265/65R18 tires 275/55R20 WT Short bed/Standard bed, LS, LT Short bed/Standard bed, LTZ Short bed/Standard bed, XFE, Hybrid (1HY, 2HY) with the P275/55R20 tires
2011	245/70R17 WT, LS, LT, LTZ, XFE, Hybrid (1HY, 2HY) with the P245/70R17 tires; WT, LS, LT, LTZ Short bed/Standard bed, XFE, Hybrid (1HY, 2HY) with the LT245/70R17 tires 265/70R17 WT, LS, LT, LTZ, XFE, Hybrid (1HY, 2HY) with the P265/70R17 tires 265/65R18 WT, LS, LT, LTZ, XFE, Hybrid (1HY, 2HY) with the P265/65R18 tires 275/55R20 WT Short bed/Standard bed, LS, LT Short bed/Standard bed, LTZ Short bed/Standard bed, XFE, Hybrid (1HY, 2HY) with the P275/55R20 tires
2010	245/70R17 Trim not specified, XFE, Hybrid (1HY, 2HY) with the P245/70R17 tires; Trim not specified, XFE, Hybrid (1HY, 2HY) with the LT245/70R17 tires 265/70R17 Trim not specified, XFE, Hybrid (1HY, 2HY) with the P265/70R17 tires 265/65R18 Trim not specified, XFE, Hybrid (1HY, 2HY) with the P265/65R18 tires 275/55R20 Trim not specified Short bed/Standard bed, XFE, Hybrid (1HY, 2HY) with the P275/55R20 tires
2009	245/70R17 Trim not specified with the P245/70R17 tires; Trim not specified with the LT245/70R17 tires 265/70R17 Trim not specified with the P265/70R17 tires 265/65R18 Trim not specified with the P265/65R18 tires 275/55R20 Trim not specified Short bed/Standard bed with the P275/55R20 tires
2008	245/70R17 Trim not specified with the P245/70R17 tires; Trim not specified with the LT245/70R17 tires 265/70R17 Trim not specified with the P265/70R17 tires 265/65R18 Trim not specified with the P265/65R18 tires 275/55R20 Trim not specified Short bed/Standard bed with the P275/55R20 tires
2007	245/70R17 Trim not specified with the P245/70R17 tires; Trim not specified with the LT245/70R17 tires 265/70R17 Trim not specified with the P265/70R17 tires 265/65R18 Trim not specified with the P265/65R18 tires 275/55R20 Trim not specified Short bed/Standard bed with the P275/55R20 tires

The 2026 Silverado 1500 belongs to the generation below; their pages have each configuration’s clearance, angles and weights.

Chevrolet Silverado 1500 T1 (2019–present): full specs

04 / Next

Try a size on your rig

Tire size calculatorPut 275/60R20 next to 275/65R20 or any size you’re eyeing, with this Silverado 1500’s gearing.Compare sizes Silverado 1500 specsClearance, angles and weights, and the rig builder to see a lift and bigger tires on it.Open the spec plate Silverado 1500 towingTowing, payload, GCWR and tongue weight for every configuration.See towing Tire sizes by vehicleEvery stock size on the trucks and SUVs we cover, by wheel diameter.Browse sizes

05 / FAQ

Questions people ask

How far off is the 2026 Silverado 1500’s speedometer with bigger tires?

Set for the stock 255/70R17, with 265/70R17s it reads about 1.7% low: 61.1 mph at an indicated 60 (60.1 to 62.0, by brand) and with 35x12.50R17s it reads about 11.3% low: 67.6 mph at an indicated 60 (66.6 to 68.6, by brand). Worked out from the nominal sizes.

What size wheels does the 2026 Silverado 1500 have?

20x9 painted steel on every configuration we list, per Chevrolet’s documents.

What is the biggest tire the 2026 Silverado 1500 comes on?

As built, the 275/60R20, about 33.0 in tall (nominal), on the WT Police Pursuit Vehicle.

Did the Chevrolet Silverado 1500’s tire sizes change by year?

2026: 255/70R17, 275/60R20. 2025: 255/70R17, 275/60R20. 2024: 255/70R17, 275/60R20. 2023: 255/70R17, 275/60R20. 2022: 255/70R17, 275/70R18. 2021: 255/70R17. 2020: 255/70R17, 275/65R18, 265/65R18 with a package. 2019: 255/70R17, 275/65R18. 2018: 275/55R20. 2017: 275/55R20. 2016: 275/55R20. 2015: 275/55R20. 2013: 245/70R17 with a package, 265/70R17 with a package, 265/65R18 with a package, 275/55R20 with a package. 2012: 245/70R17 with a package, 265/70R17 with a package, 265/65R18 with a package, 275/55R20 with a package. 2011: 245/70R17 with a package, 265/70R17 with a package, 265/65R18 with a package, 275/55R20 with a package. 2010: 245/70R17 with a package, 265/70R17 with a package, 265/65R18 with a package, 275/55R20 with a package. 2009: 245/70R17 with a package, 265/70R17 with a package, 265/65R18 with a package, 275/55R20 with a package. 2008: 245/70R17 with a package, 265/70R17 with a package, 265/65R18 with a package, 275/55R20 with a package. 2007: 245/70R17 with a package, 265/70R17 with a package, 265/65R18 with a package, 275/55R20 with a package.