Gardena Smart SILENO pro 400 machine auction prices

As of 7 November 2026, hammerhistory.com has recorded 19 auction sales of the Gardena Smart SILENO pro 400 machine with a published hammer price, closed between 20 September 2026 and 25 October 2026, on 1 auction site in 1 country. The middle half of the sales fetched about EUR 250, with a median of about EUR 250 (rounded, in euros, before the buyer's premium). One sale is free to read: a 2026 Gardena Smart SILENO pro 400 machine sold for EUR 250 on 20 September 2026.

Known model 19 sold with a price 0 at auction now 19 seen at auction

18 hammer prices are locked. See what every Gardena Smart SILENO pro 400 really sold for and know a fair price before you bid. Pay once, open at once, new sales included for a year.

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All sales 19

Sold	Built	Hours	Auction house	Place	Photos	Hammer price
2026-09-20 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	troostwijkauctions.com	Bocholt, BE	7	EUR 250 FREE
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-10-25 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house		7	in the report
2026-09-20 Gardena - Smart SILENO pro 400 - Robotic lawnmower	2026	unknown	Auction house	BE	7	in the report

Click a sale to see that machine with its photos and details. A hammer price under EUR 100 is free to read.

More Gardena models

Gardena Smart SILENO FREE 120061 sold Gardena Smart SILENO max 120041 sold Gardena Smart SILENO MAX 100029 sold Gardena Smart SILENO FREE 70020 sold Gardena Smart SILENO pro 60020 sold Gardena Smart SILENO free 100017 sold Gardena Smart SILENO free 80011 sold Gardena Smart SILENO max 15009 sold · 2 open Gardena 15021-209 sold Gardena Smart SILENO FREE 15009 sold Gardena Smart SILENO free 6508 sold Gardena 4088-607 sold

Other makes at a similar price

Stihl MS 16250 sold · EUR 150 to 250 Cramer RM 100040 sold · EUR 200 to 250 Husqvarna 560 XPG13 sold · EUR 80 to 250 Benassi BL600012 sold · EUR 200 to 250 Honda HRH 53612 sold · EUR 30 to 400 Tracmaster Camon TC0710 sold · EUR 200 to 300

Gardena Smart SILENO pro 400

Garden and grounds machines

The Gardena Smart SILENO pro 400 is a robotic lawnmower designed for larger gardens, capable of handling lawn areas of around 4000 square metres. It operates autonomously with app and smart home connectivity, offering automatic mowing schedules, boundary sensing and quiet operation suited to residential or light commercial grounds maintenance. It sits in the upper tier of Gardena's robotic mower range, aimed at users wanting hands off lawn care for larger plots.

We recognise this model across the auction sites and keep every one we see together.

On a used one

Check battery condition and charging dock function, the state of the cutting blades and discs, and that the boundary wire or sensor based navigation system works correctly. Ask about software updates, app pairing history and whether all original accessories and charging station parts are included.

About Gardena

Gardena is a German manufacturer of garden and grounds equipment, founded in Ulm and known worldwide for watering systems, hand tools and robotic lawnmowers sold under the Smart SILENO range. It also supplies related irrigation and connection components. The brand is part of the Husqvarna Group.

Founded 1961 · Ulm, Germany · Part of Husqvarna Group

All Gardena models

What the Gardena Smart SILENO pro 400 fetched

about EUR 250

Middle half from250

Median250

to250

The middle half of 19 recorded sales, rounded, in euros, before the buyer's premium. Each sale's own price opens with the sale.

19sold with a price

0at auction now

1auction sites

1countries

18 more hammer pricesin the report · EUR 9 once

sold, price lockedfree to read

Questions about Gardena Smart SILENO pro 400 auction prices

What does a Gardena Smart SILENO pro 400 sell for at auction?

In the 19 auction sales we recorded, the middle half fetched about EUR 250, with a median of about EUR 250. These are rounded hammer prices in euros, before the buyer's premium and VAT; what one machine fetches depends on its year, hours and condition, which the table shows next to each sale.

How many Gardena Smart SILENO pro 400 auction sales are on record?

19 sales with a published hammer price, closed between 20 September 2026 and 25 October 2026, on 1 auction site in 1 country. 0 more closed without a sale.

Is a Gardena Smart SILENO pro 400 at auction now?

Not at the moment. The lots of this model that come to auction appear on this page while they are open, and every sale that closes with a price is added to the table.

Are the Gardena Smart SILENO pro 400 hammer prices free to read?

The oldest sale of every model is free to read, and so is every hammer price under the site's floor. The other 18 hammer prices of the Gardena Smart SILENO pro 400 open with an account: every sale of the model for a year, or one sale on its own.

Hammer prices are what the auction house recorded when the lot closed, before the buyer's premium, in the currency of the sale. A sale listed on a house's own site and on its platform counts once. Doubt a figure? Open the sale and its listing is linked there. How prices are recorded.