Terrain 2021
GMC

Terrain 2021

3.8
12 reviews
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The 2021 GMC Terrain. A compact SUV with a refined interior, punchy turbo engine options, and standard safety tech.

Reviews 12

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SneakyLemur455
· Aug 23, 2025
5/5

Three years in — still no complaints

Bought my 2021 GMC Terrain new and just crossed 45,000 miles with not a single mechanical issue. Tyres wearing evenly, everything works as it did on day one, and it still gets compliments in car parks. Resale value is holding up brilliantly. For anyone looking for a reliable long-term ownership prop…

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SneakyAlpaca342
· Aug 30, 2025
1/5

Worst car purchase I've ever made

I cannot recommend the 2021 GMC Terrain based on my experience. Within the first year I've had a transmission issue, an electrical fault that left me stranded, and a persistent engine warning light that the dealer cannot diagnose. Every visit takes the car off the road for a week. I had high expecta…

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