Which is lighter, the Saucony Guide 17 or the Guide 18?

The Saucony Guide 17, by 0.2 oz in a men's US 9 (9.4 oz vs 9.6 oz).

Do the Saucony Guide 17 and Guide 18 come in the same widths?

Yes. Both run in D, 2E for men's sizes, so a width that fit in the Guide 17 carries over to the Guide 18.

How do the stack heights compare?

35 mm heel and 29 mm forefoot on the Saucony Guide 17, against 35 mm and 29 mm on the Guide 18. Same platform under both.

Is the Guide 18 still the newest Guide?

No. The Guide 19 replaced it in 2026, so the Guide 18 now sells as an older model and usually below its $140 list price.

Saucony Guide 17 vs Guide 18

Updated October 14, 2026. Specs are men's US 9.

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Refined, same shoe

THE SHORT ANSWER

Whichever your size still exists in. The Guide 17 is discontinued at retail, so remaining pairs sell against a thinning size run, while the Guide 18 has a full one.

Saucony Guide 17Sizes running outMen's at Amazon Women's
Saucony Guide 18Men's at Amazon Women's

Availability last checked Oct 14, 2026. Prices and stock change without notice.

Guide 17 · 2024

Guide 18 · 2025

Every spec, side by side

Spec	Guide 17	Guide 18
FIT AND WEIGHT
Weight	9.4 oz	9.6 oz
Widths	D, 2E	D, 2E
Upper	Engineered mesh on a broad, high-sidewall platform	Updated engineered mesh with a reshaped heel collar
CUSHIONING GEOMETRY
Heel stack	35 mm	35 mm
Forefoot stack	29 mm	29 mm
Drop	6 mm	6 mm
MATERIALS
Midsole	PWRRUN foam with CenterPath geometry and a PWRRUN+ sockliner	PWRRUN foam with CenterPath geometry and a PWRRUN+ sockliner
VALUE
List price at launch	$140	$140
OTHER CHANGES
Platform	35/29 mm CenterPath, 6 mm drop	35/29 mm CenterPath, 6 mm drop
	The sole geometry and ride changed very little.

Weighing whether to switch at all, rather than which of these two to buy? What replaced the Saucony Guide 17 covers the verdict on the update, what loyalists made of it, and the closest alternatives from other brands.

Buy the Guide 17

Sizes running out

Discontinued at retail. Amazon carries what remains, so treat an in-stock size as a closing window, and expect prices to swing.

Men's: Check remaining stock Women's: Check remaining stock

Availability last checked Oct 14, 2026.

Buy the Guide 18

Stocked at Amazon

Men's: Check price at Amazon Women's: Check price at Amazon

Availability last checked Oct 14, 2026.

Questions runners ask

Which is lighter, the Saucony Guide 17 or the Guide 18?: The Saucony Guide 17, by 0.2 oz in a men's US 9 (9.4 oz vs 9.6 oz).
Do the Saucony Guide 17 and Guide 18 come in the same widths?: Yes. Both run in D, 2E for men's sizes, so a width that fit in the Guide 17 carries over to the Guide 18.
How do the stack heights compare?: 35 mm heel and 29 mm forefoot on the Saucony Guide 17, against 35 mm and 29 mm on the Guide 18. Same platform under both.
Is the Guide 18 still the newest Guide?: No. The Guide 19 replaced it in 2026, so the Guide 18 now sells as an older model and usually below its $140 list price.