V8 Advanced vs BU3521UK Cordless Vacuums

Torn between V8 Advanced and BU3521UK for your next cordless vacuum?

We examine the V8 Advanced – a battery-power vacuum by Dyson, comparing runtime, dust tank, and costs, with – BU3521UK by Shark, analysing real-world vacuuming performance.

By assessing these vacuums – the V8 Advanced and BU3521UK from DYSON and SHARK, you get the best floorcare machine.

Best Cordless Vacuum Pick

DYSON V8 Advanced vs SHARK BU3521UK – key Specifications

V8 Advanced and BU3521UK Cordless Battery Run Time

DYSON Stick cordless vacuums, like the V8 Advanced, provides lightweight portability without mains cables. BU3521UK Stick is also cordlessly powered by a SHARK rechargeable battery.

The Shark BU3521UK has a battery supply runtime of 40 minutes of cleaning, compared to the Dyson V8 Advanced which has 40 minutes life.

• DYSON V8 Advanced Runtime: 40 mins continuous vacuuming
• SHARK BU3521UK Runtime: 40 mins continuous vacuuming

Charging times between the V8 Advanced and BU3521UK varies – check manual.

Cordless Vacuum Dust Tank Capacity

Both Dyson V8 Advanced and Shark BU3521UK are bagless, storing dust, hairs, dirt, and debris inside a sealed 0.54 litre and 0.42 litre tank, respectively. The BU3521UK by SHARK holds up to 0.42 Litre of compressed dirty particles. The V8 Advanced by DYSON has a capable capacity of 0.54 litre for manual disposable.

• V8 Advanced onboard dirt/dust tank size: 0.54L
• BU3521UK onboard dirt/dust tank size: 0.42L

Floor Cleaning Types

Dyson’s V8 Advanced and Shark’s BU3521UK brush heads are effective on every surface – carpets & deep-pile rugs, hard floors (laminate, wood, tiles), vinyl, even upholstery, and stairs.

Their only limitation is the BU3521UK and V8 Advanced can’t vacuum liquids. For this, a SHARK or DYSON ‘wet and dry’ vacuum is needed.

Most Dyson and Shark battery powered vacuums include accessories. Check V8 Advanced or BU3521UK manual for specifications and attachments.

Vacuum Filtration

The BU3521UK and DYSON V8 Advanced include effective filters to capture dust, dander, pollen, hairs, and fibres.

DYSON and SHARK use HEPA, foam, or cloth, filters. V8 Advanced and BU3521UK maintain suction and clean exhaust air.

SHARK and DYSON Reviews

Combined feedback from 6,002 reviewers shows the V8 Advanced with a rating of 4.7/5 stars, and the BU3521UK vacuum gains a 4.4/5 average from 128 reviews, showing comparable reliability results.

Brand	Model	Runtime	Weight	Tank	Best Price
DYSON	V8 Advanced	40 M	2.56	0.54L	£329.00
SHARK	BU3521UK	40 M	2.7	0.42L	£349.99