OBD2 Gauge Display HUD for Cars P6 with OBD+GPS vs MOTOR METER RACING W Pro 85mm GPS Speedometer

Overall winner: MOTOR METER RACING W Pro 85mm GPS Speedometer

Key Differences

wiiyii P6 (A) is a multi-parameter OBD2 HUD showing speed, RPM and water temp with easier installation and a lower listed price tier, but its accuracy and compatibility vary by car and it won’t work on older OBD2 vehicles. MOTOR METER RACING W Pro 85mm (B) is a GPS speedometer offering more accurate speed readings, IP67-rated waterproof housing and better reported reliability, though some units have power-on issues and mixed build-quality feedback

OBD2 Gauge Display HUD for Cars P6 with OBD+GPS

OBD2 Gauge Display HUD for Cars P6 with OBD+GPS

wiiyii • ★ 3.9/5 • Mid-Range

OBD2 gauge with speed, RPM, water temp, and overspeed alarm. Provides a hands-free digital readout at your chosen angle. Customers note easy installation and clear engine temp readings, with mixed accuracy depending on vehicle compatibility

Pros

  • digital speed readout at a glance
  • multi-parameter display (speed, RPM, water temp)
  • easy installation
  • 10 interface themes

Cons

  • mixed accuracy and functionality depending on car
  • not compatible with older OBD2 cars
Check current price on Amazon →
MOTOR METER RACING W Pro 85mm GPS Speedometer

MOTOR METER RACING W Pro 85mm GPS Speedometer

MOTOR METER RACING • ★ 3.8/5 • Mid-Range

GPS speedometer with 85mm dial, 12/24V, IP67 waterproof, and rustproof housing. Noted for easy installation and accurate speed readings via GPS signals; some users report power-on issues

Pros

  • GPS speedometer for accurate readings
  • Easy installation in under 20 minutes
  • IP67 waterproof and rustproof housing
  • Convex clear lens with white gauge faceplate

Cons

  • Some units power-on issues reported
  • Mixed feedback on build quality
Check current price on Amazon →

Head-to-Head

CriteriaWinner
Price wiiyii
Durability MOTOR METER RACING
Versatility wiiyii
User Reviews MOTOR METER RACING