Question: are the equinox and terrain the same?
Answer: 2018 GMC Terrain vs 2018 Chevrolet Equinox. ... While both the Terrain and the Equinox have the same engine size and horsepower output, the Terrain comes standard with a 9-speed automatic transmission with overdrive and auto-manual, while the Equinox has a 6-speed automatic transmission with overdrive and auto-manual.