The 690 bhp 3.8L F6 is an engine originating from the 2018 Porsche 911 GT2 RS.
Games[]
Need for Speed: Heat[]
The 691 hp 3.8L F6 is unlocked in Need for Speed: Heat as an engine swap option once the player reaches REP LVL 39 and can be purchased from the garage for 
422,000.
Even though the engine is taken from the Porsche 911 GT2 RS '18, players are not required to own the donor car to purchase and equip the engine.
It can be upgraded to produce up to 1237 hp (910 kW) from its stock 691 hp (508 kW).
Parts[]
| Crankshaft | ECU | Cooling | Exhaust | Turbo | Nitrous |
|---|---|---|---|---|---|
 |
 |
 |
 |
 |
 |
| Super | Super | Super | Super | Super | Sport |
Cars[]
The engine can be fitted into four cars:
Need for Speed: Unbound[]
The 690 bhp 3.8L F6 in Need for Speed: Unbound is a super rated engine available through the "Performance" menu in the garage.
It can be purchased for $400,000 and can be upgraded to produce up to 819 bhp (611 kW) from its stock 690 bhp (515 kW).
Cars[]
The engine can be fitted into fifteen cars:
- Aston Martin DB5 (1964)
- BMW i8 Coupe (2018)
- BMW i8 Roadster (2018)
- BMW M2 Coupé (2023)
- BMW M4 GTS (2016)
- Chevrolet Corvette Stingray (2020)
- Chevrolet Corvette Z06 (2013)
- Ford GT (2017)
- Honda S2000 (2009)
- Mercedes-AMG GT S Coupe (2019)
- Mercedes-AMG GT S Roadster (2019)
- Nissan Skyline GT-R V·Spec (1993)
- Porsche 911 GT2 RS (2018) (Stock)
- Porsche 911 Turbo S Cabriolet Exclusive (2018)
- Volkswagen Golf GTI Clubsport (2016)