2025 GMC Canyon AT4X Becomes An Option Package
AT4 and AT4X are no longer separate trims.
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TurboMax is the name used to brand the high-output version of General Motors’ turbo 2.7L L3B engine. This page displays TurboMax news, pictures, videos, reviews, gossip and more.
AT4 and AT4X are no longer separate trims.
Read More »The TurboMax is the new standard engine.
Read More »Turbocharged power on display.
Read More »40,000 miles longer than previously.
Read More »Extended an extra 40,000 miles.
Read More »The torque monster gets a new name.
Read More »The name may be used for boosted six-cylinder engines.
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