2015 Dodge Challenger SRT Hellcat vs 2021 Porsche 718 Cayman GT4 RS

AI Telemetry Verdict:In this head-to-head, the 2021 Porsche 718 Cayman GT4 RSholds the statistical edge in Performance Index (798). For the technical touge passes of Mount Fuji, the 2021 Porsche 718 Cayman GT4 RSis the superior technical chassis due to its refined lateral G-force profile.

Live Telemetry Analysis — May 2026 Edition
2015 Dodge Challenger SRT Hellcat
A 730

2015 Dodge Challenger SRT Hellcat

Dodge
VS
2021 Porsche 718 Cayman GT4 RS
A 798

2021 Porsche 718 Cayman GT4 RS

Porsche
Top Performer
2021 Porsche 718 Cayman GT4 RS

"The 2021 Porsche 718 Cayman GT4 RS dominates the competition with superior Performance Index, making it the clear choice for all-around festival racing."

2015 Dodge Challenger SRT HellcatMetric2021 Porsche 718 Cayman GT4 RS
730Performance Index798
7.8Speed7.5
5.6Handling8
6.2Acceleration7.4
6Launch7.7
6.1Braking8.1
4.2Offroad2.8
199Top Speed (MPH)196
4440Weight (lbs)3120
RWDDrivetrainRWD
75,000Price (CR)140,000
🚦
Drag Race
2021 Porsche 718 Cayman GT4 RS
🏎️
Track Attack
2021 Porsche 718 Cayman GT4 RS
💨
Drift Zone
2015 Dodge Challenger SRT Hellcat
🏜️
Offroad King
2015 Dodge Challenger SRT Hellcat

📈 Technical Data Analysis:

Speed & Acceleration Analysis

When it comes to straight-line performance, the 2015 Dodge Challenger SRT Hellcat boasts a speed rating of 7.8, while the 2021 Porsche 718 Cayman GT4 RS hits 7.5.

The 2015 Dodge Challenger SRT Hellcat has the edge in top-end velocity, reaching 199 MPH compared to the 2021 Porsche 718 Cayman GT4 RS's 196 MPH.

Handling & Cornering Dynamics

In the tight technical sections of the Mount Fuji passes, handling is everything. The 2015 Dodge Challenger SRT Hellcat features a handling score of 5.6, whereas the 2021 Porsche 718 Cayman GT4 RS manages 8.

The 2021 Porsche 718 Cayman GT4 RS maintains superior stability through high-speed sweepers, minimizing the risk of traction loss.

Launch & Braking Efficiency

Off the line, the 2015 Dodge Challenger SRT Hellcat uses its 6 launch rating to grip and go, while the 2021 Porsche 718 Cayman GT4 RS relies on its 7.7 rating.

Braking from high speeds is equally critical; the 2015 Dodge Challenger SRT Hellcat stops with a score of 6.1, while the 2021 Porsche 718 Cayman GT4 RS records 8.1.

🏁 Race Scenario Breakdown

Highway Sprint (Tokyo Loop)
2015 Dodge Challenger SRT Hellcat

Higher top speed rating allows for sustained high-velocity overtaking.

Touge Battle (Downhill)
2021 Porsche 718 Cayman GT4 RS

Superior braking and handling allow for more aggressive entry and exit speeds.

Dirt Trails (Kyoto)
2015 Dodge Challenger SRT Hellcat

Suspension travel and tire compound optimization for loose surfaces.