Forza Horizon 6: Complete Guide to the New Engine Swaps

Forza Horizon 6 significantly expands its engine swap system with around 20 new options, including motorcycle engines, hybrids, rotary engines, boxer engines, and powerful V8s and V12s. Understanding each engine's power, characteristics, and ideal applications helps players choose the best swaps for racing, rally, drifting, or high-speed builds.

Understanding the Engine Swap System

Engine swapping has always been one of the most exciting customization features in the Forza Horizon series, and Forza Horizon 6 greatly expands the available options. Players can access engine swaps through the Body and Conversions menu, replacing a vehicle's factory engine with a completely different powerplant. For those looking to experiment with more swap combinations across a wider selection of vehicles, many players choose to buy Forza Horizon 6 Cars to quickly expand their garage and unlock additional customization possibilities.

Every swap changes much more than horsepower. Weight distribution, torque delivery, sound, rev characteristics, and tuning potential all influence how the car performs. Some engines are designed for lightweight builds, while others transform ordinary cars into extreme hypercars capable of producing well over 1,000 horsepower.

Learning the characteristics of each new engine allows players to choose the right combination instead of simply selecting the highest horsepower option.

New Motorcycle Engines

One of the biggest additions in Forza Horizon 6 is the introduction of motorcycle engines for compact vehicles.

Three completely new motorcycle powerplants are available:

· 1.0L Inline-4 from the Honda CBR1000 Fireblade

o 215 HP stock

o Up to 794 HP with a single turbo

· 1.2L Inline-3 from the Triumph Speed Triple 1200 RS

o 180 HP stock

o Up to 574 HP

· 1.1L Inline-4 from the Aprilia RSV4

o 214 HP stock

o Up to 775 HP

These engines are perfect for tiny city cars because of their light weight and extremely high rev limits. The Aprilia engine is especially notable for its aggressive exhaust note, making it one of the most enjoyable swaps from an audio perspective.

Small Turbocharged Performance Engines

Several compact turbocharged engines have also joined the swap list.

The 1.6L turbocharged three-cylinder from the Toyota GR Yaris produces 257 HP in stock form and can reach 626 HP after full upgrades. Despite having only three cylinders, it delivers surprisingly good engine sound while maintaining strong performance.

Another unique option is the Mercedes-AMG ONE 1.6L turbo V6 hybrid.

Unlike most engines, this powerplant cannot receive traditional performance upgrades. It already produces approximately 1,086 HP, with only turbo settings and anti-lag available for modification. While incredibly powerful, its cost and limited customization make it a specialized rather than universal choice.

The Jaguar C-X75 hybrid engine is another rare swap that maintains roughly 860 HP regardless of upgrades, emphasizing its already optimized factory performance.

Rally and Rotary Specialists

Players who enjoy rally racing have several excellent options.

The familiar Lancia Delta S4 turbocharged four-cylinder continues to be valuable because of its exceptional low-end torque. Although it peaks at around 624 HP, its responsiveness makes it highly effective on dirt surfaces.

Rotary fans also receive several exciting additions.

The naturally aspirated Mazda Furai 20B rotary starts at 450 HP and reaches approximately 1,000 HP after upgrades. Unlike torque-heavy rally engines, this rotary delivers its best performance at high RPM, making it ideal for circuit racing and high-speed driving.

A second rotary from the Formula Drift Mazda already produces approximately 1,000 HP in stock form. Similar to the AMG ONE engine, only turbo characteristics can be adjusted.

Boxer and Five-Cylinder Choices

Japanese performance enthusiasts have multiple new options.

The Toyota GR86/Subaru BRZ flat-four generates 228 HP stock and can reach around 689 HP with twin turbos.

The Subaru STI S209 2.5L turbo boxer produces 341 HP stock before climbing to approximately 731 HP. Its abundant torque makes it another excellent rally candidate.

Audi's famous 2.5L turbocharged inline-five from the latest RS3 is equally impressive. Beginning at 394 HP and capable of roughly 830 HP, it combines strong torque with one of the most distinctive engine sounds in the game.

Modern Six-Cylinder and Hybrid Power

Several new six-cylinder engines significantly expand swap possibilities.

The Audi RS4 2.9L twin-turbo V6 starts with 444 HP and reaches nearly 927 HP after upgrades.

BMW's latest 3.0L turbocharged inline-six from the M4 Competition begins with 503 HP before climbing to approximately 940 HP, making it one of the strongest all-around six-cylinder choices.

Players will also encounter the hybrid 3.5L twin-turbo V6 from the Acura NSX. Although only available for limited applications, it can exceed 1,500 HP after complete upgrades, making it one of the most powerful swaps currently available.

Powerful V8s and V12 Monsters

Large-displacement engines continue to dominate ultimate horsepower builds.

The new Toyota GR 4.0L twin-turbo V8, featured in the game's cover car, produces roughly 700 HP stock and can exceed 1,500 HP after upgrades. Because it is compatible with numerous vehicles, it quickly becomes one of the most versatile swaps available.

Additional V8 options include:

· Audi RS5 4.2L V8

· BMW M5 F10 4.4L twin-turbo V8

· BMW X6 M 4.4L twin-turbo V8

· Maserati GranTurismo S 4.7L V8

Each offers unique sound characteristics and power delivery, allowing players to prioritize either drivability or maximum performance.

At the top of the performance ladder are Lamborghini's V12 engines. The classic 6.5L V12 remains one of the highest-output engines available, while the newer Revuelto-inspired version offers even greater factory power and outstanding overall performance.

Choosing the Best Swap

The strongest engine is not always the best choice. Lightweight motorcycle engines dramatically improve agility, boxer engines excel on rally stages, rotary engines reward high-RPM racing, and massive V8s and V12s dominate speed-focused builds.

Experimenting with different combinations is one of the greatest strengths of Forza Horizon 6. As future updates introduce additional vehicles, even more engine swaps will likely become available, giving players countless opportunities to create unique builds. Whether your goal is competitive racing, drifting, rallying, or simply building outrageous high-horsepower machines, having enough resources to upgrade and test multiple setups is essential, which is why some players look for Cheap Forza Horizon 6 Credits to support their customization plans. Mastering the new engine swap system will ultimately unlock the full customization potential of the game.