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Grotti X80 Proto in GTA Online

Broughy1322's fully upgraded GTA Online test records 128.25 mph for the Grotti X80 Proto. The listed purchase price is GTA$2,700,000. GTA 6 inclusion and performance remain unconfirmed.

GTA Online top speed & price

  • Fully upgraded

    128.25 mph

    206.4 km/h · tested top speed

    Fully upgraded test source
Listed GTA Online base price
GTA$2,700,000 · Legendary Motorsport

These are Broughy1322's tests, published by GTACars. Fully upgraded vehicles are timed on a flat regular road over five runs, with results rounded to the nearest 0.25 mph. These are not stock speeds; roads, external effects and test conditions can change the result.

Vehicle and price source · Top-speed test method · Sources checked 2026-10-12. mph is converted from the source's km/h at the test's stated precision. Listed prices exclude upgrades and temporary discounts.

Sample planning comparisons

The figures below are fictional planning inputs. They are separate from the sourced GTA Online results above and do not describe measured GTA 5 or GTA 6 performance.

Preview data. Names, stats and rankings here are sample planning data, not confirmed GTA 6 measurements. How we use preview data.
  • Sample top speed
    124 mph
    Sample planning value
  • Sample Vice Strip Circuit lap
    60.30s
    Reference circuit
  • Sample GTA$ price
    $2.70M
    Sample price
  • Class
    Super
    —

Fictional track results (samples)

  • Kalaga Skyline GP
    Mount Kalaga foothills · GP
    Sample rank #6
    121.60s

Other Super-class sample comparisons

  • Grotti
    Itali RSX
    136 mph sample
  • Progen
    Emerus
    131.75 mph sample
  • Benefactor
    Krieger
    131.75 mph sample
  • Principe
    Deveste Eight
    131.75 mph sample
  • Overflod
    Entity XXR
    131 mph sample
  • Progen
    Itali GTB Custom
    131 mph sample

iloveleonida will replace sample values when reliable GTA 6 measurements become available.