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Yakima Yakima GrandTour 18 - Main product photo

At a glance

Quick Specs

Weight Capacity165 lbs

Weight57 lbs

Materialabs_plastic

Mountingroof_crossbar

Why this product

Why the Yakima GrandTour 18?

At 18 cu ft with dual-side opening and LED interior lighting, the GrandTour 18 is Yakima's largest premium box. The torque-knob mounting system provides secure attachment at 57 lbs. The downside? That's 6 lbs heavier than the Thule Motion 3 XL at the same capacity, and the high-gloss finish is a fingerprint and scratch magnet.

Detailed specs

Full Specifications

Interior Volume	18 cu ft
Dual-Side Opening	Yes
Weight Capacity	165 lbs

Aerodynamic Profile	Yes
Quick-Mount System	Yes
Fits Skis Inside	Yes
Box Weight	57 lbs
Security Rating	Moderate

Low Profile	No
Mounting Hardware Included	Yes
Noise Rating	Moderate

Best prices

Where to Buy

Retailer	Price	Status
Amazon US	$119.99	Out of Stock	Check Price

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Performance analysis

Insights for Yakima GrandTour 18

How It Compares

vs. average in cargo_carrier

Score Breakdown

Category Position

Price vs. score for all cargo_carrier

Fitment

Vehicle Compatibility

Audi

Model	Years	Fit	Requirements
Q5(2nd Gen (FY))	2017+	good	Crossbars needed
Q7(2nd Gen (4M))	2016+	good	Crossbars needed

Community feedback

What Users Say

Amazon

4.5/5

Based on 432 reviews

83% positive7% negative

Common praises

“18 cu ft premium box”
“High-gloss finish”
“SKS locks”

Common complaints

“Top price tier”
“Heavy”

Alternatives

Top Comparisons

Most relevant alternatives to Yakima GrandTour 18

Compare tool

88/100

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Thule Motion 3 L

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Common questions

Frequently Asked Questions

The Yakima GrandTour 18 uses a universal crossbar mount that clamps onto most factory and aftermarket roof racks. Check your specific vehicle in our compatibility checker below.

Most roof boxes in this class hold 100-165 lbs. But your roof's dynamic load limit is the real ceiling — usually 150-200 lbs total including the box itself. Check your owner's manual.

You'll hear a low hum above 65 mph — typical for roof boxes. The aerodynamic shape keeps it manageable. Proper crossbar spacing helps too.

Yes, but it's easier with two people. The box is bulky — lifting it onto the roof solo is the hardest part. Mounting hardware takes 20-30 minutes.

Yes. The hard shell keeps everything dry. ABS plastic is inherently waterproof — sealed seams and weather stripping handle heavy rain and car washes. Won't rust or corrode either.

You can, but don't. An empty roof box adds drag and hurts fuel economy by 10-25%. It also lowers garage clearance. Remove it between trips. Most boxes mount/dismount in 15-20 minutes.

Expect a 10-25% fuel economy hit at highway speeds when loaded. The aerodynamic shape helps versus an open basket, but physics is physics. Remove it between trips. That's free money back in your tank.

Answered by our expert team, MyCargoRacks

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Yakima

Yakima GrandTour 18

Name: Yakima GrandTour 18
Brand: Yakima
Price: 691.48 USD
Availability: InStock
Rating: 4.5 (1 reviews)

Premium high-gloss roof box with torque-knob mounting

Last reviewed: April 2026

cargo_carrierroof_crossbarScore: 91/100

Premium dual-side opening roof box with LED interior light, 18 cu ft.

Manufacturer Price

$691.48

Check Price on Amazon

Price may vary. Prices and availability are subject to change.

View on Yakima Learn about Yakima

Dimensions90 x 36 x 16 in

Performance analysis