StreetDeck vs Gemini

These two are commonly confused. Here’s the simple, UK-focused breakdown - what each name actually refers to, and how to tell them apart quickly.

The key difference in one line

StreetDeck is an integral bus model (one complete design).

Eclipse Gemini is a body style that sits on a separate chassis (often Volvo).

What “integral” means

An integral bus is designed as one complete package - the manufacturer designs the full vehicle as a single model.

In enthusiast terms, it’s “the bus” rather than “a body on a chassis”.

• StreetDeck = integral model by Wrightbus
• ADL Enviro400 = another common integral model (not Wright)
• Integral buses usually have a single model name used consistently

What “Gemini” usually refers to

“Gemini” usually refers to Wrightbus bodywork fitted to various chassis - especially Volvo double deck chassis.

So you might see “Volvo B5TL / Wright Gemini” in fleet lists.

• Common chassis pairings: Volvo B7TL, Volvo B9TL, Volvo B5TL
• Different generations exist (Gemini 1, Gemini 2, Gemini 3 - often written as Gemini / Gemini 2 etc.)
• The chassis badge (Volvo) can be a big clue

Quick spotting tips (real-world, non-technical)

There are lots of sub-variants, but these quick checks usually get you 80% of the way there.

• Badge check: many Geminis will show a Volvo badge somewhere (often front/rear). StreetDeck will not be “Volvo B5TL”.
• Era: Gemini bodies are very common from the 2000s through 2010s. StreetDecks are more “modern era” deliveries (mid-2010s onwards).
• Look/feel: StreetDecks often look squarer and more “modern” in styling; Geminis often have more rounded design cues (varies by generation).

How to enter this correctly on BusOva

If your database separates manufacturer/model/chassis/bodywork, here’s the safest approach:

• If it’s a StreetDeck: Model = StreetDeck (integral). Don’t try to force a separate chassis unless you store an “integral” chassis record.
• If it’s a Gemini: Record the chassis (e.g. Volvo B5TL) and bodywork (Wright Gemini) if your schema supports it.
• If you’re unsure: add clear photos (front + side + rear) and leave the uncertain field blank.

Mini cheat sheet

• StreetDeck = Wrightbus integral model (one complete bus).
• Gemini = Wright bodywork (usually on a Volvo chassis).
• Gemini = “body name”, StreetDeck = “bus model name”.

Related guides