Porsche 981 Cayman GT4 / BMW M4 F82
Track-Proven Rivals: Porsche 981 Cayman GT4 vs BMW M4 F82
The Porsche 981 Cayman GT4 and BMW M4 F82 represent two distinct approaches to performance, yet LapMeta's comprehensive data reveals remarkably close competition. With 271 head-to-head lap comparisons across 50 common tracks, these cars have been thoroughly tested against each other—and the results might surprise you. Average lap time difference: just 4.14 seconds, with battles as close as 0 seconds.
The Specifications
Porsche 981 Cayman GT4:
- Engine: 3.8 Flat 6
- Power: 385 hp / 420.3 lb-ft torque
- Weight: 3050 lbs (Power-to-weight: 7.92 lbs/hp)
- Drivetrain: RWD | 6spd Manual
- 0-60 mph: 4s
- Current Value: $94000
BMW M4 F82:
- Engine: Twin-power turbo, Intercooler
- Power: 431 hp / 549.11 lb-ft torque
- Weight: 3340 lbs (Power-to-weight: 7.75 lbs/hp)
- Drivetrain: RWD | 6-speed manual transmission
- 0-60 mph: 4s
- Current Value: $60000
Track Performance Analysis
Across 271 recorded laps on 50 different tracks, the data reveals:
- Porsche 981 Cayman GT4 faster: 150 times (55.4%)
- BMW M4 F82 faster: 119 times (43.9%)
- Average difference: 4.14 seconds
- Closest battle: 0 seconds
The 46 hp power difference and 290 pound weight gap create distinct performance characteristics. The Porsche 981 Cayman GT4's 7.92 lbs/hp power-to-weight ratio compares to the BMW M4 F82's 7.75 lbs/hp, explaining much of the on-track dynamic.
The Economics
Current market values show a $34000 gap, with the Porsche 981 Cayman GT4 at $94000 and the BMW M4 F82 at $60000. This price difference—combined with the minimal lap time gap—makes the value proposition clear for budget-conscious track enthusiasts.
The Verdict
With only 4.14 seconds separating these cars on average, driver skill and setup matter far more than spec sheet numbers. The Porsche 981 Cayman GT4 wins 55.4% of battles, but the margins are close enough that track conditions, tire choice, and driver experience swing results regularly.
Choose the Porsche 981 Cayman GT4 if you value its engineering approach and are willing to pay the $34000 premium. Choose the BMW M4 F82 if near-identical performance at a different price point appeals to you. Both are proven track weapons with 50 tracks of data backing their capabilities.