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Brooks Women’s Glycerin 21 Neutral Running Shoe - vs Saucony Women's Guide 18 Sneaker, White/Mist, 8.5

Updated August 2026 — Brooks Women’s Glycerin 21 Neutral Running Shoe - wins on comfort and cushioning, Saucony Women's Guide 18 Sneaker, White/Mist, 8.5 wins on traction.

The Brooks Women’s Glycerin 21 excels in cushioning and comfort, while the Saucony Women’s Guide 18 offers better stability and value.

Why Brooks Women’s Glycerin 21 Neutral Running Shoe - is better

Cushioning

Brooks features nitrogen-infused DNA Loft v3 cushioning for superior comfort.

Fit

Brooks offers a plush internal stretch bootie for a luxurious fit.

Popularity

Brooks has a strong reputation for quality and comfort.

Why Saucony Women's Guide 18 Sneaker, White/Mist, 8.5 is better

Price

Saucony is priced at $99.95, making it more budget-friendly.

Stability

Saucony provides support for overpronators with its stability system.

Traction

Saucony has a durable rubber outsole for excellent multi-surface grip.

Overall score

Brooks Women’s Glycerin 21 Neutral Running Shoe -
85
Saucony Women's Guide 18 Sneaker, White/Mist, 8.5
78

Specifications

SpecBrooks Women’s Glycerin 21 Neutral Running Shoe -Saucony Women's Guide 18 Sneaker, White/Mist, 8.5
BrandBrooksSaucony
ModelGlycerin 21Guide 18
WeightLightweightLightweight
UpperWarp KnitEngineered Mesh
OutsoleStableDurable

Dimension comparison

Brooks Women’s Glycerin 21 Neutral Running Shoe -Saucony Women's Guide 18 Sneaker, White/Mist, 8.5

Price Comparison

When it comes to price, the Saucony Women's Guide 18 Sneaker stands out as the more economical option, retailing at $99.95 compared to the Brooks Women’s Glycerin 21, which is priced at $114.95. This makes the Saucony about 17% cheaper than the Brooks shoe, allowing budget-conscious runners to save nearly $15. While both shoes offer unique features tailored to different running styles, the price difference is significant for those looking to maximize value without compromising on quality.

Cushioning and Comfort

The Brooks Women’s Glycerin 21 is designed for runners seeking the ultimate in cushioning and comfort, featuring nitrogen-infused DNA Loft v3 cushioning. This technology aims to provide a super-soft feel that is both lightweight and responsive, ideal for long runs. In contrast, the Saucony Women’s Guide 18 utilizes PWRRUN cushioning, which offers a balanced ride with long-lasting softness and energy return. While both shoes prioritize comfort, the Brooks model appears to offer a higher level of plushness, making it particularly appealing for those prioritizing a soft landing during their runs.

Support Features

Support is a key differentiator between these two models. The Brooks Glycerin 21 offers neutral support, promoting smooth transitions and accommodating a wide range of foot shapes. It also has the APMA Seal of Acceptance, signifying its endorsement by podiatrists for comfort and foot health. On the other hand, the Saucony Guide 18 is ideal for overpronators, featuring a stability system and TPU guidance frame that help correct mild overpronation. Thus, runners with specific support needs may find the Saucony to be more suitable, while those looking for neutral support may prefer the Brooks.

Fit and Breathability

Both shoes emphasize fit and breathability, but they achieve this through different designs. The Brooks Women’s Glycerin 21 showcases a plush internal stretch bootie and a warp knit upper that promises a soft, flexible fit, which adapts to the runner's stride. The breathable nature of this design keeps the foot cool during runs. Conversely, the Saucony Women’s Guide 18 features an engineered mesh upper that enhances ventilation and provides a snug fit. While both models deliver on breathability, the Brooks' focus on a plush feel may appeal more to those looking for luxurious comfort.

Durability and Traction

Durability and traction are critical for running shoes that need to withstand various surfaces. The Saucony Women’s Guide 18 is built with a rubber outsole designed for durability and multi-surface grip, ensuring confidence on roads, tracks, and gym floors. This makes it an excellent choice for varied training environments. While the Brooks Glycerin 21 does not explicitly highlight its outsole features, its construction aims for stability and smooth transitions, suggesting a focus on durability as well. However, for runners who prioritize traction across different terrains, the Saucony shoe may have the edge.

Style and Aesthetics

In terms of style, the Brooks Women’s Glycerin 21 offers a sleek look with its black, grey, and white color scheme, which may appeal to those preferring a classic aesthetic. The Saucony Women’s Guide 18, available in a white/mist colorway, presents a more vibrant appearance. Both shoes are designed to be visually appealing, but personal preference will ultimately determine which style resonates more with individual runners.

Sales Rank and Popularity

Popularity can often indicate consumer satisfaction, and in this comparison, the Saucony Women’s Guide 18 has a higher sales rank, listed at 10,493 compared to the Brooks Glycerin 21’s rank of 29,881. This suggests that the Saucony model is more favored among buyers, which could reflect its balance of comfort, stability, and price. However, it’s important to note that sales rank alone does not determine quality; both shoes have their strengths and cater to different running needs.

Which should you buy?

Choosing between the Brooks Women’s Glycerin 21 and the Saucony Women’s Guide 18 ultimately depends on your specific running needs and preferences. If you prioritize cushioning and a plush fit, the Brooks model may be the better choice, albeit at a higher price point. However, if you require stability support, traction across varied surfaces, and a more budget-friendly option, the Saucony stands out as a strong contender. Both shoes offer quality features, so your decision should be guided by what aspects you value most in a running shoe.