Offroad Build Lab: plan your 4x4 build before you spend

Offroad Build Lab is an independent calculator for off-road builds. Choose a vehicle, add mods and see how horsepower, torque, 0-100 km/h, fuel economy, weight and ground clearance change as you build. The numbers are estimates for planning, not dyno results or a shop quote.

• Build: pick your vehicle and watch live performance gauges and a Build DNA profile.
• Mods: browse parts by category and see the effect of each one before buying.
• Tools: compare tire sizes, preview a build and use other calculators.
• Garage: save your builds, compare them and share them.
• Community: see builds and posts from other off-road enthusiasts.

Looking up a specific vehicle? Read the Ford Bronco spec pages: 2024 Badlands 4-door, 2025–2026 Badlands (2-door and 4-door), 2024 Black Diamond 4-door, 2024–2026 Raptor 4-door, 2024 Wildtrak 4-door, and more. Each lists every engine, transmission and axle configuration Ford offers for that version. For the Jeep Wrangler JL, see the Jeep Wrangler spec pages, taken from Jeep's own specifications sheets, and the Toyota Tacoma spec pages from Toyota's own Product Information.

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