Skip to content
Robovations
Robovations™
Robot Autonomy, Classified
Saved
ROBOVATIONS/COMPARISON4 ROBOTS COMPAREDREASSESSED 2026.06.23

Ownership-burden

Robot mowers and the off-season: winterizing, storage, and the maintenance owners forget

Robot mowers hide their real cost in seasonal rituals: blade swaps, boundary re-surveys, battery extractions, and dealer service calls that the purchase price never mentions.

Husqvarna Automower 410VE NERA
Husqvarna

Husqvarna Automower 410VE NERA

Level IV
$3,550BuyAmazon
Mammotion Yuka 1500
Mammotion

Mammotion Yuka 1500

Level IV
$1,599BuyAmazon
Stihl iMow 5 EVO
Stihl

Stihl iMow 5 EVO

Level II
$2,529BuyManufacturerAmazon
Gardena Sileno Minimo
Gardena

Gardena Sileno Minimo

Level II
$451BuyAmazon
Price range$451–$3,550
Autonomy spreadLevel II–IV
Robots compared4

Classification, not a ranking. Every mark below is documented evidence, not a purchase recommendation.

We may earn commission from qualifying purchases. This does not influence the comparison.

Three-year cost of ownership

What each robot actually costs to own

Purchase price plus documented consumables, subscription gating, and replacement events. Bars share one dollar scale, so length is directly comparable. Costs are typical, drawn from manufacturer maintenance guides and owner reports.

PurchaseConsumablesSubscriptionRepairs

Gardena Sileno Minimo$849 purchase
$1,0743-year total+$225 past purchase
  • MSRP$849
  • Blade sets (3 seasons, 2-3x each)$225

Mammotion Yuka 1500$1,599 purchase
$2,1093-year total+$510 past purchase
  • MSRP$1,599
  • Blade sets (3 seasons, 2x each)$510

Stihl iMow 5 EVO$2,529 purchase
$3,3743-year total+$845 past purchase
  • MSRP$2,529
  • Dealer installation (one-time)$500
  • Blade sets (3 seasons, 2x each)$345

Husqvarna Automower 410VE NERA$3,550 purchase
$3,7003-year total+$150 past purchase
  • MSRP$3,550
  • Blade cartridges (3 seasons)$150

Documented failure events

When things break, and what they cost

Field-reported failures placed on the ownership timeline, with associated repair or replacement costs. Sourced from owner forums and manufacturer service documentation.

Month 1 · Stihl iMow 5 EVOMajor

Dealer perimeter-wire burial and system calibration

$400-$600 (dealer installation)

Wire-guided operation requires dealer burial of perimeter wire before first autonomous run. Owner reports and Stihl documentation describe a 4-6 hour installation window; the cost is front-loaded and non-negotiable for any wire-guided system.

Stihl iMow 5 EVO documentation; owner reports, multiple
Month 3 · Gardena Sileno MinimoMinor

First seasonal blade replacement

$25-$35 per set

Manufacturer documentation and owner reports describe blade replacement every 8-10 weeks during the mowing season. The Minimo carries lower per-set blade cost but higher annual swap frequency than mowers with heavier disc blades.

Gardena Sileno Minimo documentation; owner reports, ongoing
Month 6 · Mammotion Yuka 1500Minor

RTK base station recalibration survey

Owner labor (no documented service fee)

Mammotion maintenance guidance requires app-based RTK base station recalibration every six months. The step is owner-performed but demands methodical boundary verification; owner reports note that skipping it degrades boundary accuracy over time.

Mammotion Yuka 1500 maintenance documentation; owner reports
Month 7 · Stihl iMow 5 EVO and Gardena Sileno MinimoMinor

Autumn storage: battery removal and mower sheltering

$0 (owner labor only)

Stihl documentation specifies battery removal and indoor storage above 32 degrees F for winter. Gardena requires the mower body sheltered from precipitation. Both leave perimeter wire and dock components in place through winter.

Stihl iMow 5 EVO FAQ; Gardena Sileno Minimo seasonal guidance
Month 13 · Stihl iMow 5 EVOMinor

Spring wire inspection and optional dealer recalibration

$75-$150 optional dealer calibration

Stihl maintenance guidance recommends spring perimeter-wire inspection for breaks or corrosion after winter. Dealer spring recalibration is listed as optional at $75-$150; owner reports document wire breaks as a recurring seasonal event in freeze-thaw climates.

Stihl maintenance guide; owner reports and dealer service records
Month 13 · Husqvarna Automower 410VE NERAMinor

EPOS local-map seasonal refresh at season start

Owner labor (no documented fee)

Husqvarna documentation describes an EPOS local-map refresh at the start of each mowing season and after yard changes. The step is app-guided and owner-performed, but the documented 4-6 week re-learning phase reduces boundary confidence for the first weeks of spring operation.

Husqvarna 410VE NERA product documentation and product FAQ

Consumables breakdown

Annual cost by part type

Each line is the manufacturer-recommended replacement frequency multiplied by the current part cost. No assumptions about deep-cleaning intervals.

Part · frequency410VE NERAMammotion Yuka 1500Stihl iMow 5 EVOGardena Sileno Minimo
Blade cartridgesSeasonal, 1x per year$40-$60 / yrN/AN/AN/A
Blade setsEvery 2-3 months in seasonN/A$70-$100 / set$50-$65 / set (2x/season)$25-$35 / set (2-3x/season)
Dock contact cleaningMonthly, owner labor$0 / yr$0 / yr$0 / yr$0 / yr
Perimeter wire repairAnnual inspection; as neededN/A (no wire)N/A (no wire)Variable, owner-reportedVariable, owner-reported
RTK base station surveyEvery 6 monthsN/AOwner laborN/AN/A
Annual total~$150 / 3 yr (blades only)~$510 / 3 yr (blades only)~$845 / 3 yr (incl. install)~$225 / 3 yr (blades only)

Common questions

What readers ask about this comparison.

Q.
Do I need to dig up the perimeter wire every winter?
No. Stihl and Gardena documentation both confirm wire and dock components remain in the ground year-round. Winter preparation covers battery removal and mower sheltering only. Wire inspection for frost or corrosion damage happens each spring, not each autumn.
Q.
Does the Husqvarna 410VE NERA require any hardware removal for winter storage?
No base station or perimeter wire to remove. Husqvarna documentation describes seasonal dock cleaning, firmware checks via the Husqvarna app, and an EPOS local-map refresh at season start. The charging station remains in place year-round.
Q.
How often do robot mower blades need replacing across these four models?
Gardena Sileno Minimo documentation specifies every 8-10 weeks during active season. Stihl iMow 5 EVO documentation states every 30-40 mowing hours, roughly twice per season. Mammotion Yuka 1500 maintenance guidance says every 2-3 months depending on grass density. Husqvarna 410VE NERA specifies seasonal cartridge replacement, approximately once per mowing year.
Q.
What is the biggest off-purchase cost for wire-guided mowers like the Stihl or Gardena?
Stihl documentation and owner reports identify the one-time dealer installation ($400-$600 for the iMow 5 EVO) and the optional spring recalibration ($75-$150) as costs absent from the sticker price. For the Gardena, which is owner-installed, the comparable burden is labor time plus occasional boundary wire repair costs that owner reports describe as variable and low per incident.
Q.
Does the Mammotion Yuka 1500 require professional service for seasonal prep?
Mammotion maintenance documentation lists all seasonal steps, including vision system recalibration and RTK base station re-survey, as owner-performed via the app. No dealer service is documented as required for standard seasonal transitions. Owner reports describe the spring recalibration as methodical but manageable without professional assistance.
Next up

Robot mowers: does mulch quality or coverage matter more?

Read the comparison
Comparison ID: RV–CMP–7415 · Last reviewed Jun 23, 2026 · Based on owner reports, manufacturer documentation, and firmware release notes