2018 GMC Terrain SUV

City mpg:
26
Highway mpg:
30

Actual rating will vary with options, driving conditions, habits and vehicle condition.

2018 GMC Terrain SUV Overview

The standard features of the GMC Terrain SL include 1.5L I-4 170hp turbo engine, 9-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, curtain 1st and 2nd row overhead airbags, airbag occupancy sensor, air conditioning, 17" aluminum wheels, cruise control, ABS and driveline traction control, electronic stability.

2018 GMC
Terrain SUV

Starting at: $24,995

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Specifications

  • Air conditioning
  • Speed control
  • Power windows
  • 1-touch down
  • 1-touch up
  • Remote keyless entry
  • Illuminated entry
  • Tilt steering wheel
  • Telescoping steering wheel
  • Driver vanity mirror
  • Passenger vanity mirror
  • Emergency communication system
  • Front beverage holders
  • Rear beverage holders
  • Overhead console
  • Driver door bin
  • Passenger door bin
  • Rear door bins
  • Ground clearance (min) - 175mm (6.9")
  • AM/FM radio
  • MP3 decoder
  • Radio data system
  • Steering wheel mounted audio controls
  • Speakers - 6
  • Turn-by-turn navigation directions - OnStar Turn-by-Turn Navigation
  • Wireless phone connectivity - Bluetooth
  • 1st row LCD monitors - 1
  • Primary LCD size - 7.0"
  • Basic warranty - 36 months/36,000miles
  • Powertrain warranty - 60 months/60,000miles
  • Corrosion perforation warranty - 72 months/100,000miles
  • Roadside assistance coverage - 60 months/60,000miles
  • Maintenance warranty - 24 months/24,000miles
  • Max seating capacity - 5
  • Front seats - bucket
  • Front center armrest
  • Rear seats - bench
  • Split folding rear seat
  • Rear seat center armrest
  • Engine displacement - 1.5 L
  • Engine horsepower - 170hp @ 5,600RPM
  • Engine torque - 203 lb.-ft. @ 2,000RPM
  • Engine bore x stroke - 73.9mm x 86.4mm (2.91" x 3.40")
  • Compression ratio - 10.00 to 1
  • Curb weight - 1,564kg (3,449lbs)
  • GVWR - 2,025kg (4,464lbs)
  • Towing capacity - 680kg (1,500lbs)
  • Exterior length - 4,630mm (182.3")
  • Exterior body width - 1,839mm (72.4")
  • Exterior height - 1,661mm (65.4")
  • Wheelbase - 2,725mm (107.3")
  • Turning radius - 5.7m (18.7')
  • Front legroom - 1,039mm (40.9")
  • Rear legroom - 1,008mm (39.7")
  • Front headroom - 1,016mm (40.0")
  • Rear headroom - 978mm (38.5")
  • Front hiproom - 1,382mm (54.4")
  • Rear hiproom - 1,316mm (51.8")
  • Front shoulder room - 1,453mm (57.2")
  • Rear shoulder room - 1,412mm (55.6")
  • Interior cargo volume - 838 L (30 cu.ft.)
  • Interior maximum cargo volume - 1,792 L (63 cu.ft.)
  • Rear cargo - liftgate
  • Power door mirrors
  • Heated door mirrors
  • Spoiler
  • Bumpers - body-color
  • Bodyside moldings
  • Trailer sway control
  • Engine liters - 1.5
  • Compressor - turbo
  • Cylinder configuration - I-4
  • Horsepower - 170hp @ 5,600RPM
  • Torque - 203 lb.-ft. @ 2,000RPM
  • Number of valves - 16
  • Variable valve control
  • Engine location - front
  • Recommended fuel - Regular Unleaded
  • Transmission - 9 speed automatic
  • Mode select transmission
  • Manual-shift auto
  • Drive type - front-wheel
  • Fuel economy combined - 28mpg
  • Fuel tank capacity - 14.9gal.
  • Fuel economy city - 26mpg
  • Fuel economy highway - 30mpg
  • 4 wheel disc brakes
  • ABS brakes
  • Brake assist
  • Dual front impact airbags
  • Dual front side impact airbags
  • Overhead airbag
  • Occupant sensing airbag
  • Panic alarm
  • Perimeter/approach lights
  • Ignition disable
  • Security system
  • Electronic stability
  • Traction control
  • Four wheel independent suspension
  • Front anti-roll bar
  • Rear anti-roll bar
  • Power steering
  • Speed-sensing steering
  • Alloy wheels
  • Front tires - 225/65TR17.0
  • Rear tires - 225/65TR17.0
  • Wheel size - 17"
  • High intensity discharge headlights
  • Fully automatic headlights
  • Delay-off headlights
  • Variably intermittent wipers
  • Rear window wiper
  • Rear window defroster
  • Front reading lights
  • Display - analog
  • Tachometer
  • Outside temperature display
  • Low tire pressure warning
  • Trip computer
  • Exterior parking camera rear

Trims

  MSRP Engine Transmission City/Hwy mpg
SL 2018 GMC Terrain SUV SL Search New $24,995   170-hp 1.5L 4-cyl  9-spd auto  26 / 30  
SLE 2018 GMC Terrain SUV SLE Search New $27,820   170-hp 1.5L 4-cyl  9-spd auto  26 / 30  
SLE 2018 GMC Terrain SUV SLE Search New $29,570   170-hp 1.5L 4-cyl  9-spd auto  24 / 28  
SLT 2018 GMC Terrain SUV SLT Search New $31,320   170-hp 1.5L 4-cyl  9-spd auto  26 / 30  
SLE Diesel 2018 GMC Terrain SUV SLE Diesel Search New $31,590   137-hp 1.6L 4-cyl  6-spd auto  28 / 39  
SLT 2018 GMC Terrain SUV SLT Search New $33,070   170-hp 1.5L 4-cyl  9-spd auto  24 / 28  
SLE Diesel 2018 GMC Terrain SUV SLE Diesel Search New $33,340   137-hp 1.6L 4-cyl  6-spd auto  28 / 38  
SLT Diesel 2018 GMC Terrain SUV SLT Diesel Search New $34,165   137-hp 1.6L 4-cyl  6-spd auto  28 / 39  
SLT Diesel 2018 GMC Terrain SUV SLT Diesel Search New $35,915   137-hp 1.6L 4-cyl  6-spd auto  28 / 38  
Denali 2018 GMC Terrain SUV Denali Search New $37,520   252-hp 2.0L 4-cyl  9-spd auto  22 / 28  
Denali 2018 GMC Terrain SUV Denali Search New $39,270   252-hp 2.0L 4-cyl  9-spd auto  21 / 26  

Reviews

Driving Impression

Editor:
New Car Test Drive
“”

The base engine, a turbocharged 1.5-liter I4, feels refined and quiet. It makes 170 horsepower and a strong 203 pound-feet of torque that comes at low revs, reaching its max at 2000 rpm. That gives it gutsy acceleration and the ability to push the 3500-pound Terrain around with some authority. The 9-speed automatic helps in this challenge, while the Equinox struggles with a 6-speed.

The transmission itself is smoother than other 9-speeds (Chrysler and Mercedes come to mind), but the method of shifting gears with a switch on the console, which is almost out of reach, is a what-were-they-thinking moment–more than a moment, it’s a lifetime with the car. And the notion of audio controls in the place of paddleshifters is one of the worst GM ideas since the Aztek.

The transmission pairs brilliantly with the new 252-hp 2.0-liter turbo that felt strong during our quick runs in the Appalachians, like it were capable of zero to sixty miles per hour in about 7.5 seconds. With 260 pound-feet of torque, it pumps out steady power and a cool whistling turbo sound as it climbs through the gears. If only it had a usual manual control, namely paddle shifters, we’d be comparing it to the 2.0-liter EcoBoost engine of the Ford Escape, the benchmark for thrust and eagerness. Manual shifting would also be useful for towing, a likely prospect since this engine is rated to tow 3500 pounds.

Ironically, surprisingly, the new 1.6-liter turbodiesel can only tow 1500 pounds, same as the base 1.5-liter. Diesel torque aside, it only makes 137 horsepower. It’s heavier, slower, and vibrates a lot. It’s more expensive and only comes with a 6-speed transmission. It’s not worth the extra 9 mpg, at least not to us.

The optional all-wheel-drive is a part time, activated by a knob on the console, with different traction modes. It’s mechanically simpler, without a brain to self-activate.

The Terrain’s ride is biased more toward comfort than cornering. The ride only reveals its compact crossover nature with the sharpest of bumps. The suspension is same as before, struts in front and four links in rear, but the old hydraulic rack-and-pinion steering is replaced by electric power assist.

With the standard 17-inch wheels and tires, the handling is poised and predictable, if not very enthusiastic. But it helped us avoid six deer and two washed-out roads, during our seat time. The Denali has a higher state of suspension tune and 19-wheel wheels with better all-season tires. It tracks true but still doesn’t offer much feedback.

Walk Around

Editor:
New Car Test Drive
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The styling of the previous Terrain was almost Hummer-like, with its edges and flat panels. The all-new Terrain smoothes most of them away, to a place where character gets blurred. It’s neither attractive nor distinctive, on the road it’s just another crossover.

The large grille is either a fat oval with chopped edges, or a big rectangle with chopped corners. It looks way better in black, like on the base SL, than with chrome, like the Denali. In fact it looks horrendous in the way GM does the chrome. The SL also has matte black plastic running the bottom perimeter of the car, front and rear fascia plus over the wheels and under the doors. It gives the Terrain some rugged purpose, and looks better than the Denali’s barely-flared metal fenders, although the Denali’s 19-inch painted alloy wheels smartly fill the wheelwells. The SL is cleaner, absent the Denali’s strip of chrome trim along the doors and over the window line.

The headlamps are shaped like the simplest bare-hand puppet, forefinger curved over the thumb, each facing center. They don’t grab you. Except if you imagine them yakking at each other over the top of the grille.

The rear end is shaped like midsize GMC Acadia but better looking.

Just for effect, that doesn’t work, the rear window is pinched, asymmetrically, and blacked out in back, continuing onto a wide band of black across the rear pillar. It’s supposed to flow, which it does about as much as painting a wide stripe on a box.

Interior Overview

Editor:
New Car Test Drive
“”

The all-new Terrain loses some inches in the wheelbase, length, and width, but still has about the same seating space as the Ford Escape and Toyota Rav4. Base vehicles have cloth seats with manual adjustment, while the leather has more bolstering, ventilation, and power adjustment. They’re good for long hours in the saddle, as long as you’re not too tall, as the driver’s seat lacks the enough support under the legs. The seating position is lower than before, which makes the Terrain feel less SUV-like.

The cabin isn’t cohesive, it looks like three separate zones, although it can come together with leather in a warm color, and aluminum trim. Compared to the Equinox, the materials are softer and it’s quieter, with more sound insulation under the floor. But the door panels have big chunks of the same plastic that composes most of the buttons on the instrument panel. This shouldn’t happen on an SUV in this price range.

The standard infotainment system is lovely and simple, with a 7.0-inch screen and big icons. The display is clear, bright, responsive, fast, and doesn’t drop its smartphone connection. But mostly it’s clean, without too many features or too much information.

There is ample small storage in the cabin, with a deep console double door pockets. There’s a special slot for a cellphone for the front passenger. In the rear cargo area, there are bins under the floor.

The downsizing is felt more in the rear than the front; legroom has decreased a tiny amount, from 39.9 inches to 39.7, but it feels like more since the second-row seat doesn’t slide any more. The available panoramic sunroof cuts 1.6 inches from headroom, in front as well. The rear passengers will appreciate tall doors, so there’s less ducking to climb in, but the they won’t appreciate the flat seat bottoms, even in leather.

The seats fold but not quite flat, to provide 63.3 cubic feet of cargo space, way less than the Honda CR-V. Behind the rear seats there is 29.6 cubic feet, again less than the Honda. The good news is the front passenger seat folds flat, like the Honda Fit, to provide room for long things from 2x4s to kayaks. An optional liftgate opens at the wave of a foot, to make loading those things easier.

Summary

Editor:
New Car Test Drive
“”

GMC Terrain is all new for 2018, a compact crossover SUV.

Sam Moses contributed to this review, with staff reports.

Model Lineup

Editor:
New Car Test Drive
“”

GMC Terrain comes as SL, SLE, SLT, and Denali. Front-wheel drive is standard, all-wheel drive available ($1750) on every model but the SL. The turbocharged 2.0-liter is an option on the Terrain SLE and SLT, and standard on the Denali.

Terrain SL ($25,990) is equipped with premium cloth, power features, active noise cancellation, air conditioning, cruise control, keyless ignition, 17-inch wheels, 3.5-inch digital display between the gauges, and rearview camera. There is a 7.0-inch touchscreen for audio, OnStar and in-car data hardware, two USB ports, and auxiliary jack, Bluetooth with audio streaming, and Apple CarPlay and Android Auto. (Prices are MSRP and do not include destination charge.)

Terrain SLE ($28,815) adds dual-zone automatic climate control. A trailer-tow package is an option on the SLE with the 2.0-liter turbo engine.

Terrain SLT ($32,315) gets leather seats and an 8.0-inch touchscreen, satellite radio, blind-spot monitors, a 110-volt power outlet, remote start, power driver seat, heated front seats, panoramic sunroof.

Denali ($38,515) adds a handsfree tailgate, a power passenger front seat, HD radio, seven-speaker audio, navigation, 19-inch wheels, LED headlamps, and a bundle of safety equipment including forward-collision warnings with automatic emergency braking, blind-spot monitors, lane-departure warnings, and rear parking sensors. The forward-collision warning bundle remains an option, as are surround-view cameras and automatic park assist. So are wireless smartphone charging, ventilated front seats, and heated rear seats.

The turbodiesel is available in SLE and SLT trim.

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* MSRP is the Manufacturer's Suggested Retail Price (MSRP) of the vehicle. Unless specifically indicated in the advertisement, MSRP does not include taxes, fees or other charges. Actual dealer pricing may vary. Consult your dealer for more information and complete details.

* The dealer advertised price may not reflect specific dealer offers, and may be subject to certain terms and conditions as indicated in the advertisement. Consult your dealer for more information and complete details.

* Images and options shown are examples, only, and may not reflect exact vehicle color, trim, options, pricing or other specifications.