Forza Horizon 6 Motor and Battery Swap Guide

In Forza Horizon 6, electric vehicle (EV) customization goes far beyond stock upgrades. One of the most exciting options is the Motor and Battery Swap system, which lets you drop high-output electric powertrains into nearly any car or even a few specialized motorcycles. This opens up performance possibilities that were previously impossible with standard ICE engines. Here is the list of forza horizon 6 engine swap.

Motorcycle Engine Swaps

These high-RPM additions are restricted to smaller platforms like Kei cars and subcompacts (e.g., the Honda Beat).

• 1.0L I4 — 215 HP / 83 lb-ft (Origin: Honda CBR1000RR-R Fireblade)
• 1.1L V4 — 214 HP / 92 lb-ft (Origin: Aprilia RSV4)
• 1.2L I3 — 180 HP / 94 lb-ft (Origin: Triumph Speed Triple 1200 RS)
• 1.4L I4 — 196 HP / 113 lb-ft (Origin: Suzuki GSX1300R Hayabusa)

Inline and Rotary Engines

• 1.3L R2 — 232 HP / 159 lb-ft (Origin: Mazda RX-8 Renesis)
• 1.6L I4 - VVT — Base swap for lower-tier class builds.
• 2.0L I4 - T — 250 HP / 203 lb-ft (Standard turbo four-cylinder swap).
• 2.0L F4 - Turbo Rally — A dirt and rally specialist motor.
• 2.6L I6 - TT — 276 HP / 289 lb-ft (Origin: Nissan Skyline GT-R RB26DETT).
• 2.6L 4-Rotor - Racing — High-revving, high-power Mazda race rotary.
• 3.2L I6 — 321 HP / 333 HP (Origin: BMW M3 E36/E46 S50/S54).

V6 and V8 Engines

• 3.5L V6 - TT — Variants ranging from 450 HP to 630 HP (Origin: Ford EcoBoost / Radical).
• 3.8L V6 - TT — 565 HP (Origin: Nissan GT-R R35 VR38DETT).
• 4.0L V8 — Balanced power-to-weight V8 swap.
• 6.2L V8 — 415 HP (Origin: GM LS3), highly efficient for Performance Index (PI) building.
• 7.0L V8 - H — Heavy displacement pushrod V8.
• 7.2L Racing V8 — High-output V8 built for top-tier asphalt or offroad vehicles.

V10, V12, and Extreme Swaps

• 5.2L V10 — High-RPM powerhouse suited for road racing (Origin: Lamborghini/Audi).
• Racing V12 — Extremely PI-efficient top-tier swap for high-speed track builds.
• 7.4L V8TT — 1750 HP (Origin: Funco Motorsports F9), primarily utilized for extreme drag and sand builds.

Note: For the best results, always check your build's Aspiration tab after picking a motor, as Forza Horizon 6 limits certain boost options (like centrifugal superchargers) depending on the selected swap engine.

How to Engine Swap in Forza Horizon 6

Swapping engines in Forza Horizon 6 can totally change the way your car drives. Whether you want a massive V8 in a lightweight sports car or a turbocharged monster for drifting, engine swaps unlock a lot of possibilities. Here's how to do it in a clear, step-by-step way.

Step 1: Head to Your Garage

First, you need to go to your garage. This is where all your cars live and where upgrades happen. Open the garage from the main menu or via a fast travel point if you're already in the world.

Step 2: Select the Car

Once inside the garage:

1. Navigate to the “Cars” tab.
2. Pick the car you want to modify.

Tip: Not every car supports engine swaps. If you don't see the option later, it means the swap isn't available for that model.

Step 3: Go to Upgrades & Tuning

With your car selected:

1. Enter “Upgrades & Tuning.”

   

2. Choose “Custom Upgrades.”

   

3. Open “Body Kits and Conversions.”

   

Here is where all your advanced modifications live, including engine swaps if the car allows it.

Step 4: Access Engine Swaps

Inside the body kits/conversions menu:

1. Look for “Engine Swaps.”

   
2. If the option is available, you'll see a list of all compatible engines you can use.
3. You can preview engine sounds to get a feel for how it will sound using the acceleration or test button.

Step 5: Install the Engine

Once you pick your desired engine:

1. Select it and press “Install.”
2. You'll need to confirm and pay the cost when exiting the upgrade menu.
3. After payment, the swap is permanent unless you choose to swap again.

Step 6: Test Drive

After the swap, take your car for a spin. The difference in performance can be massive:

• Acceleration and top speed will likely change.
• Drivability might feel different depending on engine size.
• Adjust your tuning to match the new engine if needed.

Quick Notes

• Not all engines are available for every car. Rare or special vehicles may have limited swaps.
• Cost scales depending on the engine and your car.
• Experiment: Some swaps make your car perfect for drag racing, others for off-road or drift.

Engine swapping opens up creative freedom in FH6. Mix and match engines, upgrade parts, and tune them to your playstyle. With the right swap, even a humble compact car can feel like a supercar on the streets of Tokyo City or the Alpine roads.

Key Electric Motor Swaps

The game offers a tiered approach for EV conversions, letting you match motor power to the type of build you're going for:

• 1893 BHP Motor – A quad-motor beast producing over 1,500 lb-ft of torque. Ideal for massive SUVs or trucks like the GMC Hummer EV, this swap turns them into drag-ready monsters or high-speed highway terror machines.
• 670 BHP Race Motor – Balances serious horsepower with weight management. Perfect for track-focused builds or mid-size sports cars where handling is as important as raw speed.
• 235 BHP Motor – The lightweight option for city cars and compact vehicles. Great for daily-driving builds or lightweight drift experiments.

Each motor swap requires a matching battery upgrade, as EVs can only hit peak power if the voltage and capacity match the motor's requirements. Heavy multi-motor setups are particularly sensitive to battery size.

For players looking to accelerate their FH6 experience, especially when experimenting with extreme Motor and Battery Swaps, having a stockpile of Super Wheelspins can save a ton of grind time. Trusted platforms like U4N offer a secure and fast way to buy FH6 Super Wheel Spins, letting you unlock rare cars, cosmetic upgrades, and additional credits instantly while you focus on building the ultimate electric-powered garage.

Handling and Performance Implications

Switching to electric motors isn't just about horsepower:

• Instant Torque – Every EV motor delivers full torque from 0 RPM. Drag racing, hill climbs, and drift launches all feel explosive.
• Weight Distribution – Multi-motor layouts and larger battery packs radically change your vehicle's balance. You'll need suspension tweaks—stiffer anti-roll bars, adjusted springs, and proper dampers—to avoid understeer or snap-oversteer.
• Drivetrain Considerations – Some cars respond best when kept rear-wheel drive (RWD), while others can take full advantage of an AWD setup. Adjust differential and torque splits to suit your style.

Tips for EV Swap Builds

1. Match Motor to Vehicle Class – Don't throw a 1,893 BHP motor into a lightweight kei car unless you're ready for hilariously uncontrollable physics.
2. Upgrade Suspension and Brakes – With extra torque and weight, stock setups usually fall short. Adjust springs, ARBs, and brake bias to maintain control.
3. Tuning Matters – EV conversions need custom tuning. Watch tire pressure, alignment, and differential settings to make the most of instant torque.
4. Experiment with AWD/RWD – Depending on the build, shifting from RWD to AWD can help tame monster power or maximize drift performance.

EV motor and battery swaps in Forza Horizon 6 are a playground for creativity. Whether you want to build the ultimate drag monster, a nimble city rocket, or an insane drift experiment, these swaps give you a toolkit to rewrite what your favorite cars can do. Mixing traditional engine swaps with EV power also allows some really wild hybrid builds, keeping FH6 exciting long after you've seen all the standard cars.