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Diono Rainier Convertible + Booster Car Seat (black mist)

% off MSRP
  • Diono Rainier Convertible + Booster Car Seat (black mist) - Meets NZS 1754
Price (New Zealand):
(You save NZ$61.01)
International Price:
plus shipping chargeAll international shipments (out of New Zealand) are GST exempt and GST is not charged. Shipping charges are based on destination and weight.

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* subject to manufacturer restrictions; we are unable to ship some manufacturers' products out of New Zealand
Price (delivered to Australia)*:
* includes the GST exempt price and estimated shipping charge to ship to all states in Australia (residential & commercial addresses and P.O. boxes).

Note: exact shipping charge will be displayed in the shopping cart prior to checking out and before payment. Additional items added to the shopping cart will increase the shipping charge payable.
Price (delivered to Australia)*:
* GST exempt price. FREE SHIPPING to all states in Australia (residential & commercial addresses and P.O. boxes).

Note: Additional items added to the shopping cart will increase the shipping charge payable (based on item weight and package dimensions).
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For every order placed, a registered customer will receive 1 point for every NZ$ spent (including GST & shipping). Points can be used for a variety of rewards on

Current Rewards:

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Manufacturer Part Number:
25.00 KGS
Meets NZS 1754
Meets AS/NZS 2088:2013 Mandatory Standard
Optional Accessories

Product Description

Diono is the only car seat brand that offers convertible+booster seats with a full steel frame making them one of the safest car seats available today. The New Diono Rainier is the ultimate in car seat safety with reinforced deeper side walls providing enhanced side impact protection taking Diono car seats to a whole new level.

With its extended rear-facing capabilities, it can comfortably seat rear-facing children from 2.3 - 22.7kgs and forward-facing children from 9 - 29.5kgs in 5-point harness mode. Additionally it converts to a booster for children between 23 - 54kgs or up to 144cm in height. The aluminium reinforced headrest has 12 height positions for adjustable head support and additional EPS foam surrounds the child’s head and body for complete side impact protection.

Its unique super-strong SuperLATCH™ system makes installation easy and the Rainier is NCAP crash tested, the industry benchmark for verifying child seat performance in severe accident conditions. Designed with Safety Synergy™ technology, all these innovative features seamlessly work together providing the highest level of performance and safety for your children.


  • Rear-facing capacity from 2.3 - 22.7kgs
  • Forward-facing capacity in a 5-point harness from 9 - 29.5kgs (up to 144cm in height)
  • Booster mode weight from 23 - 54kgs (up to 144cm in height)
  • Designed with Safety Synergy™ technology for the highest level of performance & safety
  • Space saving design allows extra room for passengers while providing spacious interior for child
  • Full steel alloy frame and aluminum reinforced lined sides with energy-absorbing foam for complete side impact protection
  • Reinforced deeper sidewalls lined with energy-absorbing foam give Rainier superior head and body protection
  • Additional forward-facing recline position to accommodate different types of contoured vehicle seats
  • 12-position adjustable headrest, 5 shoulder and 3 buckle positions deliver a comfortable ride
  • Memory foam padding for extra comfort
  • Sits low on vehicle seat for easy child boarding and improved safety performance in a crash
  • Folds flat for travel and easy storage
  • Only brand of car seats with SuperLATCH™: with the Strongest Connectors and Secureweave™ webbing it provides an easy and secure installation
  • Luxurious two-piece infant body pillow provides support and comfort
  • Meets FAA standards for air travel
  • Extra-long leg support for comfy road trips and multiple harness and buckle positions for custom fit
  • Rear-facing & forward facing tether capability
  • 1 cup holder included (add up to 4)
  • Safestop® energy-absorbing harness system used forward facing until 18.5kg
  • Anti-slip rubber seat grips to help reduce movement once installed
  • SuperLATCH™ installation rear-facing to 15.8kg and forward facing up to 18.1kg (consult vehicle manual for lower anchor and tether limits)
  • Lifespan: 10 years from date of purchase


FF Harnessed weights

RF weight limit

Original FF 
harnessed weight limit

New FF 
harnessed weight limit

Booster mode weight limit


20.4 kg

31.8 kg

29.5 kg

50 kg


18.1 kg

29.5 kg

29.5 kg

45.4 kg


20.4 kg

36.3 kg

29.5 kg

54.5 kg


22.7 kg

40.9 kg

29.5 kg

54.5 kg


Seat Measurements

Product Reviews