Porsche 981 Cayman GT4 / BMW E92 M3
Track-Proven Rivals: Porsche 981 Cayman GT4 vs BMW E92 M3
The Porsche 981 Cayman GT4 and BMW E92 M3 represent two distinct approaches to performance, yet LapMeta's comprehensive data reveals remarkably close competition. With 934 head-to-head lap comparisons across 75 common tracks, these cars have been thoroughly tested against each other—and the results might surprise you. Average lap time difference: just 4.92 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 E92 M3:
- Engine: 4.0—4.4 L S65 V8
- Power: 425 hp / 399.97 lb-ft torque
- Weight: 3648 lbs (Power-to-weight: 8.58 lbs/hp)
- Drivetrain: RWD | Manual 6-speed
- 0-60 mph: 5s
- Current Value: $37500
Track Performance Analysis
Across 934 recorded laps on 75 different tracks, the data reveals:
- Porsche 981 Cayman GT4 faster: 415 times (44.4%)
- BMW E92 M3 faster: 515 times (55.1%)
- Average difference: 4.92 seconds
- Closest battle: 0 seconds
The 40 hp power difference and 598 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 E92 M3's 8.58 lbs/hp, explaining much of the on-track dynamic.
The Economics
Current market values show a $56500 gap, with the Porsche 981 Cayman GT4 at $94000 and the BMW E92 M3 at $37500. This price difference—combined with the minimal lap time gap—makes the value proposition clear for budget-conscious track enthusiasts.
The Verdict
With only 4.92 seconds separating these cars on average, driver skill and setup matter far more than spec sheet numbers. The Porsche 981 Cayman GT4 wins 44.4% 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 $56500 premium. Choose the BMW E92 M3 if near-identical performance at a different price point appeals to you. Both are proven track weapons with 75 tracks of data backing their capabilities.