Best 100mm GPS Speedometer in 2025
Updated on July 2025
#1
Recommended
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- Allows users to monitor vehicle speed without complex installation
- Compatible with all GlowShift speedometer gauges
- Includes a GPS antenna with 6.5 feet of wire, GPS sensor, and a 1-foot GPS signal harness; antenna can be mounted on the roof or trunk
- Comes with detailed installation instructions
- Backed by a one-year limited warranty and free lifetime technical support
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- Allows users to monitor vehicle speed without complex installation
- Compatible with all GlowShift speedometer gauges
- Includes a GPS antenna with 6.5 feet of wire, GPS sensor, and a 1-foot GPS signal harness; antenna can be mounted on the roof or trunk
- Comes with detailed installation instructions
- Backed by a one-year limited warranty and free lifetime technical support
#2
Value for Money
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- 85mm (3-3/8") installation diameter
- Universal GPS speedometer compatible with cars, motorcycles, boats, and trucks
- Indicates speed range of 0-120 km/h and 0-80 mph with customizable background lighting
- Simple installation with quick location confirmation, rapid startup, and accurate speed display
- IP68 rated, fully waterproof gauge body
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- 85mm (3-3/8") installation diameter
- Universal GPS speedometer compatible with cars, motorcycles, boats, and trucks
- Indicates speed range of 0-120 km/h and 0-80 mph with customizable background lighting
- Simple installation with quick location confirmation, rapid startup, and accurate speed display
- IP68 rated, fully waterproof gauge body
#3
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- Requires an 85mm (3 3/8") hole and 55mm (2 3/16") clearance behind the panel for installation.
- Wiring: Black for GND, Red for power (+), White for external button (+), Red/Yellow for backlight, Blue for left turn signal, Green for right turn signal, and a White wire for high beam.
- Operating voltage of 9-32V with red and yellow backlight options. Indicator lights for left signal, high beam, and right signal.
- GPS antenna should be mounted outdoors or inside the front windscreen for optimal satellite signal reception. Ensure the antenna cable is connected and not cut.
- Features include an overspeed buzzer alarm, adjustable total mileage, and a mileage range of 0-999999 miles.
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- Requires an 85mm (3 3/8") hole and 55mm (2 3/16") clearance behind the panel for installation.
- Wiring: Black for GND, Red for power (+), White for external button (+), Red/Yellow for backlight, Blue for left turn signal, Green for right turn signal, and a White wire for high beam.
- Operating voltage of 9-32V with red and yellow backlight options. Indicator lights for left signal, high beam, and right signal.
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#4
30% Off
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- Dynamic GPS positioning ensures accurate and fast tracking of your route, displaying essential metrics such as ride time, distance, total mileage, current altitude, and clock.
- The glare-free FSTN backlit screen enhances visibility in all lighting conditions, making it easy to read data day or night, with a durable tempered glass to prevent scratches.
- IPX6 waterproof rating allows for reliable performance in wet conditions, coupled with a 600mAH battery providing over 10 hours of sustained use without cable clutter.
- Automatically enters sleep mode after 10 minutes of inactivity, resuming with the last recorded cycling data for convenience.
- One-year warranty included, with dedicated customer service available for any issues.
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- Dynamic GPS positioning ensures accurate and fast tracking of your route, displaying essential metrics such as ride time, distance, total mileage, current altitude, and clock.
- The glare-free FSTN backlit screen enhances visibility in all lighting conditions, making it easy to read data day or night, with a durable tempered glass to prevent scratches.
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#5
9% Off
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- 5.5-inch GPS Speedometer Display showing MPH, driving time, mileage, and direction simultaneously with speed and satellite indicators.
- Safety alerts for speeding and fatigued driving, providing reminders for speed limit breaches and breaks after 4 hours of driving.
- Automatic brightness adjustment for optimal visibility in various lighting conditions, ensuring data display is clear day and night.
- High-performance processing chip for smooth operation with minimal data delays, providing real-time speed tracking.
- User-friendly operation with a single button for settings and 24-hour customer support available.
- Operational warning against exceeding 5V power supply to ensure product longevity.
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- 5.5-inch GPS Speedometer Display showing MPH, driving time, mileage, and direction simultaneously with speed and satellite indicators.
- Safety alerts for speeding and fatigued driving, providing reminders for speed limit breaches and breaks after 4 hours of driving.
- Automatic brightness adjustment for optimal visibility in various lighting conditions, ensuring data display is clear day and night.
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#6
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- 85mm diameter for 12/24 Volt negative ground systems.
- High quality stepper motor with IP67 waterproofing and rustproof design.
- Convex clear lens with stainless steel bezel and black gauge faceplate.
- Odometer tracks up to 99,999.9 miles with adjustable memory.
- Speed range of 0 - 120 MPH.
- Includes GPS sensor, power harness, and installation instructions.
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- 85mm diameter for 12/24 Volt negative ground systems.
- High quality stepper motor with IP67 waterproofing and rustproof design.
- Convex clear lens with stainless steel bezel and black gauge faceplate.
- Odometer tracks up to 99,999.9 miles with adjustable memory.
- Speed range of 0 - 120 MPH.
- Includes GPS sensor, power harness, and installation instructions.
#7
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- TFT screen speedometer gauge displays speed range clearly with IP67 waterproof and anti-fogging protection. Works on 9-32VDC.
- Requires an 85mm (3 3/8") diameter and 55mm (2 3/16") depth hole for installation.
- Switchable speed units: km/h, mph, and knots. Suitable for various vehicles including cars, trucks, and boats.
- Features GPS Speed Over Ground (0-600 km/h), adjustable odometer (0-999999 km), and trip meter (0-999.9 km), resets when power is off.
- Initial signal acquisition takes about 30 seconds; faster with an unobstructed view of the sky.
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- TFT screen speedometer gauge displays speed range clearly with IP67 waterproof and anti-fogging protection. Works on 9-32VDC.
- Requires an 85mm (3 3/8") diameter and 55mm (2 3/16") depth hole for installation.
- Switchable speed units: km/h, mph, and knots. Suitable for various vehicles including cars, trucks, and boats.
- Features GPS Speed Over Ground (0-600 km/h), adjustable odometer (0-999999 km), and trip meter (0-999.9 km), resets when power is off.
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#8
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- 7 solid color options available: Blue, Red, Green, Teal, Purple, White, Yellow
- Constructed with a stainless steel 316L bezel and anti-fog glass; IP67 waterproof and dustproof; designed for 85mm (3 3/8") installation; indicates speed range from 0-80 MPH
- Compatible with various vehicles including cars, boats, trucks, buses, motorcycles, and off-road vehicles; utilizes GPS antenna for direct satellite signal reception without additional speed sensors
- Offers high precision, quick location confirmation, and rapid startup for reliable performance
- Package includes GPS speedometer, GPS antenna, wiring harness, and installation instructions
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- 7 solid color options available: Blue, Red, Green, Teal, Purple, White, Yellow
- Constructed with a stainless steel 316L bezel and anti-fog glass; IP67 waterproof and dustproof; designed for 85mm (3 3/8") installation; indicates speed range from 0-80 MPH
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#9
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- Displays driving speed, single and total mileage, altitude, and local time for essential trip information.
- Large 6.2-inch screen with easy-to-read green font minimizes eye strain during long distances.
- Includes overspeed and fatigue alarms to enhance driving safety.
- Compatible with all vehicles as it collects speed data from GPS satellites, independent of the car's engine.
- Simple plug-and-play installation through the vehicle's cigarette outlet without the need for professional help.
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- Displays driving speed, single and total mileage, altitude, and local time for essential trip information.
- Large 6.2-inch screen with easy-to-read green font minimizes eye strain during long distances.
- Includes overspeed and fatigue alarms to enhance driving safety.
- Compatible with all vehicles as it collects speed data from GPS satellites, independent of the car's engine.
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#10
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- Constructed from durable 316 stainless steel, ABS, and PC materials; IP67 waterproof rating ensures longevity.
- GPS Speedometer dimensions include an 85mm diameter and a depth of 55mm.
- Supports multiple speed units: knots, mph, and km/h for versatile usage.
- Suitable for various applications in boats, yachts, trucks, and construction machinery; operates within a 9-32V DC voltage range.
- Displays current speed, adjustable odometer, trip meter, COG, and voltmeter; unit adjustment via back button.
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- Constructed from durable 316 stainless steel, ABS, and PC materials; IP67 waterproof rating ensures longevity.
- GPS Speedometer dimensions include an 85mm diameter and a depth of 55mm.
- Supports multiple speed units: knots, mph, and km/h for versatile usage.
- Suitable for various applications in boats, yachts, trucks, and construction machinery; operates within a 9-32V DC voltage range.
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