GMC’s smallest crossover SUV, the mid-size Terrain is all new
for the 2018 model year. And all-new means new from outside,
inside, under the skin and under the hood. While redesigning
the Terrain the same principles were followed like for the
closely related Chevy Equinox. The new Terrain is both smaller
and lighter but also based on the new platform. The styling is
a modern evolution of brand’s previous generation design
philosophy while the interior is more refined and functional.
The revolution also happened under the hood as the new Terrain
ditched the V-6 engine and now offers three turbocharged units.
But, what fuel conscious buyer will like the most is the
turbocharged diesel engine. And yes, the 2018 GMC Terrain
Diesel shares its engine with the Equinox but it also powers
the Chevy Cruze.
2018 GMC Terrain Diesel: Design
The new generation Terrain has smaller footprint and also rides
on the smaller wheelbase. The new length is 183.1 inches, about
3 inches less than on the previous generation but the wheelbase
is also smaller with 107.3 inches compared to previous
generation 112.5 inches. The model also migrated to GM’s new
D2XX platform and with smaller proportions and engines, it also
contributes to the weight loss of over 400 pounds.
The new Terrain is also more aggressively styled. Sharper and
stronger lines, larger grille and more sculpted rear end
forming less boxy and more appealing body. The grille is again
available in different patterns and new headlight design gives
more character to model’s face. The hood has more pronounced
lines and the rear end is also more interesting thanks to more
aggressive taillights and body sculpting.
Surprisingly, the significant reduction of the wheelbase and
overall length won’t impact the interior comfort radically.
Actually, the rear legroom will lose just 0.2 inches from the
previous generation 39.9 inches. The cargo space will measure
29.6 cu ft with rear seats up and 63.3 cu ft when you don’t use
On the other hand, the interior will benefit from softer
materials, improved noise cancellation, nice trim details and
The infotainment system is easy to use and supports Apple Car
Play and Android Auto features. The center screen will measure
either 7-or 8-inches.
The model will, however, be available in SL, SLE, SLT and
Denali trims. But, the 2018 GMC Terrain Diesel will come in SLE
and SLT trims. The base trim comes only with the
1.5-turbocharged gasoline engine and Denali uses the 2.0-liter
turbo-4 only. The diesel engine is optional on two middle
The SLE trim has standard features like the 17-inch wheels,
keyless entry and ignition, a 7-inch touchscreen, auto-dimming
rear mirror, etc. Additional packages add to that power driver
seat, heated front seats, 8-inch display, information display,
navigation and blind-spot monitoring, rear cross-traffic alert
and parking sensors.
The SLT upgrades with the leather upholstery and available
safety systems like the lane departure warning and
intervention, automatic high beams, low-speed forward collision
alert and automatic emergency braking.
2018 GMC Terrain Diesel: Powertrain
Powering the 2018 GMC Terrain Diesel will be the oil-burner
shared with the Chevy Equinox and Cruze. The 1.6-liter
four-cylinder turbodiesel can produce 137 hp and torque of 240
lb-ft. Unlike the 1.5- and 2.0-liter turbocharged gasoline
units, the turbo diesel won’t be bolted to the 9-speed
automatic transmission. Instead, this engine will route the
power through the 6-speed automatic gearbox. Both, the front-
and all-wheel drive will be available.
The model will keep the same suspension setup but switches to
the power assist steering system.
Unfortunately, GMC hasn’t said the fuel economy ratings but
considering how this engine performs in the Equinox we should
expect about 40 mpg on the highway.
2018 GMC Terrain Diesel: Arrival, Price
The 2018 GMC Terrain Diesel starts the sales this summer. The
FWD SLE will cost from $31, 590. THE FWD SLT will jump to $34,
195. The AWD SLE and SLT will come for $33, 340 and 35, 915