10.0

really awful
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
0 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2010 GMC Terrain accessories - interior problems

accessories - interior problem

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2010 GMC Terrain Owner Comments

problem #1

Jun 302011

Terrain 4-cyl

  • miles

A D V E R T I S E M E N T S

My 2010 GMC Terrain 4 cylinder AWD has made pinging noise and rattling with acceleration since new. The best gas milage it has ever gotten was 20.9 mpg. The window sticker on the dealer lot stated gas milage range city/20 highway/29.. the expected range for most drivers was 24-34 mpg. I believe this range to be fraudulent, and should be investigated. I will be having the engine scanned on the dealer computer. A second failure of my vehicle is the power rear liftgate. It fully opens initially then starts to close on it's own, it cannot be stopped by force, until it closes completely. There is no safety feature that prevents closure while someone or thing is in it's path. This could critically injure or kill someone. The dealer states the hydraulic arm leaked oil & failed. I am awaiting parts for dealer to fix it.

- Media, PA, USA

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