Garmin Marine Autopilots

3 Garmin marine autopilots. Prices run $2,800 to $4,388.

GarminSpec score 9.5

Hydraulic, Included, Included, Reactor 40

+Includes the SmartPump v2 hydraulic drive

+Includes the GHC 50 control unit

+Hydraulic steering suits hydraulic steering systems

−Requires a hydraulic steering system to operate

$4,388.99

as of 11/03/2026 23:08 PST - Details

Garmin

Hydraulic, Included, Reactor 40

+Includes the SmartPump v2 hydraulic drive

+Hydraulic steering for hydraulic systems

+Part of the Reactor 40 autopilot line

−Requires a hydraulic steering system to operate

$2,799.99

as of 11/03/2026 23:08 PST - Details

GarminSpec score 9.5

Hydraulic, Included, Not included, Reactor 40

+Reactor 40 line for marine autopilot use

+Includes the drive unit

+Hydraulic steering system

−No control unit included

$3,890.24

as of 11/04/2026 00:40 PST - Details

Garmin Marine Autopilots at a glance

3 of the 70 Marine Autopilots we list are Garmin (4%). Half of them cost less than $3,890; across all Marine Autopilots, half cost less than $2,247.

Most listed here: Hydraulic steering (3), Not included drive in the box (5), Included control head (1).

Counts and prices are this site's own listings; prices are the ones shown on the cards.

Steering	Control head	Model line	Spec score	Price
Hydraulic	Included	Reactor 40	9.5	$4,388.99 as of 11/03/2026 23:08 PST - Details
Hydraulic		Reactor 40	n/a	$2,799.99 as of 11/03/2026 23:08 PST - Details
Hydraulic	Not included	Reactor 40	9.5	$3,890.24 as of 11/04/2026 00:40 PST - Details

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.