Cybex Sirona S vs Römer Veni

The Veni is 2 in narrower. The Sirona S lists for $50.04 less.

Only the differences are shown.

Cybex Sirona SRömer Veni
TypeConvertibleConvertible
List price$549.95Lowest price$599.99
Rear-facing weight4–50 lb5–50 lb
Rear-facing heightUp to 49 inUp to 49 in
Forward-facing weight22–65 lb30–65 lb
Forward-facing heightUp to 49 inUp to 49 in
Seat weight30.4 lb28 lbLightest
Width19 in17 inNarrowest
Head ruleRear-facing: CHILD’S HEAD MUST BE 2.5 CM (1 IN) OR MORE BELOW THE TOP OF THE HEADREST OR SHELL, WHICHEVER IS HIGHER. Forward-facing: Top of ears below the top of the Headrest.Not listed
Newborn insertNewborn Insert and Newborn Headpad Insert ('To ensure a better fit for smaller infants, the Newborn Insert may be needed'); manual gives no weight limit for the insertThree infant inserts: head + middle infant insert 'MAY be used with children weighing 5-20 lbs (2.3- 9.1 kg) rear-facing'; 'The provided lower infant insert must be used for children weighing 22 lbs (10 kg) or less in a rear-facing position.'
Installationseat beltseat belt (SecureLoc), LATCH
Load legYesNo
Anti-rebound barYesYes
RotatesYesNo
Harness heights1214
Recline positions126
Aircraft labelNot certified for aircraftCertified for aircraft, per the maker
Expires after10 years10 years

Cybex Sirona S

A rotating Cybex convertible with a height-adjustable load leg, anti-rebound design and a one-time belt installation for both directions.

  • 360-degree swivel
  • Load leg and anti-rebound design
  • Rear-facing to 50 lb
  • Heavy at 30.4 lb
  • List price $549.95

Römer Veni

A slim 17-inch convertible with a 50 lb US rear-facing limit and a belt-tightening SecureLoc system.

  • Slim 17 in width
  • 14 harness height positions adjusted one-handed
  • SecureLoc tightens the seat belt
  • Heavy at 28 lb
  • List price $599.99
Ask the meadow

Sirona S or Veni?

Answers come from each maker's published specs. Safety and health questions link to the agency or medical source.

Which is easier to travel with?

Sirona S: 30.4 lb. Veni: certified for planes, 28 lb.

What does the extra $50.04 for the Veni get you?

No extra listed feature from the ones we track (load leg, anti-rebound bar, rotation, flame retardants). Compare fabrics, ease of install, and fit in your car. Both meet the same federal crash standard.

Still wondering? Write to us at hello@cribpicks.com and we'll look it up.