2021 GMC Terrain Specifications
Compare important 2021 GMC Terrain technical specifications like exterior dimensions, ground clearance, wheelbase, interior space volume, engine's power as measured by horsepower and torque output, weight of the vehicle, towing & payload capacity or gas tank size to know the estimated mpg.
Trims |
SL Front-wheel Drive, Engine: 1.5L I-4 |
SLE Front-wheel Drive, Engine: 1.5L I-4 |
SLE All-wheel Drive, Engine: 1.5L I-4 |
SLT Front-wheel Drive, Engine: 1.5L I-4 |
SLT All-wheel Drive, Engine: 1.5L I-4 |
Exterior length |
182.3 |
182.3 |
182.3 |
182.3 |
182.3 |
Exterior body width |
72.4 |
72.4 |
72.4 |
72.4 |
72.4 |
Exterior height |
65.4 |
65.4 |
65.4 |
65.4 |
65.4 |
Horsepower |
170 hp |
170 hp |
170 hp |
170 hp |
170 hp |
Torque |
203 lb-ft. |
203 lb-ft. |
203 lb-ft. |
203 lb-ft. |
203 lb-ft. |
Curb weight |
3449 |
3449 |
3622 |
3487 |
3659 |
Gross vehicle weight rating (GVWR) |
4464 |
4464 |
4630 |
4464 |
4630 |
Wheelbase |
107.3 |
107.3 |
107.3 |
107.3 |
107.3 |
Turning radius |
18.7 '' |
18.7 '' |
18.7 '' |
19.2 '' |
19.2 '' |
Ground clearance |
6.9 |
6.9 |
6.9 |
7.9 |
7.9 |
Front legroom |
40.9 |
40.9 |
40.9 |
40.9 |
40.9 |
Rear legroom |
39.7 |
39.7 |
39.7 |
39.7 |
39.7 |
Front headroom |
40 |
40 |
40 |
40 |
40 |
Rear headroom |
39 |
39 |
39 |
39 |
39 |
Front hip room |
54 |
54 |
54 |
54 |
54 |
Rear hip room |
52 |
52 |
52 |
52 |
52 |
Front shoulder room |
57 |
57 |
57 |
57 |
57 |
Rear shoulder room |
56 |
56 |
56 |
56 |
56 |
Fuel tank |
14.9 gal. |
14.9 gal. |
15.6 gal. |
14.9 gal. |
15.6 gal. |
2021 GMC Terrain Interior Features
One of the most notable features of the Terrain, however, is its roomy interior. The 2021 GMC Terrain comes with a variety of specs on the inside. You can find out more about these features in the chart below.
Trims |
SL Front-wheel Drive, Engine: 1.5L I-4 |
SLE Front-wheel Drive, Engine: 1.5L I-4 |
SLE All-wheel Drive, Engine: 1.5L I-4 |
SLT Front-wheel Drive, Engine: 1.5L I-4 |
SLT All-wheel Drive, Engine: 1.5L I-4 |
Air conditioning, front |
manual |
manual |
manual |
dual zone automatic |
dual zone automatic |
Air filter |
std |
std |
std |
std |
std |
Underseat ducts |
std |
std |
std |
std |
std |
Cargo tie downs |
std |
std |
std |
std |
std |
Clock |
in-radio display |
in-radio display |
in-radio display |
in-radio display |
in-radio display |
Compass |
N/A |
std |
std |
std |
std |
Cruise control |
std |
std |
std |
std |
std |
Cupholders |
front and rear |
front and rear |
front and rear |
front and rear |
front and rear |
12V DC power outlet |
2 |
2 |
2 |
2 |
2 |
Overhead console |
mini with storage |
mini with storage |
mini with storage |
mini with storage |
mini with storage |
Floor console |
full |
full |
full |
full |
full |
Floor mats |
carpet front |
carpeted front and rear |
carpeted front and rear |
carpeted front and rear |
carpeted front and rear |
Front windows |
power |
power |
power |
power |
power |
Rear windows |
power |
power |
power |
power |
power |
1-touch window up |
driver |
driver |
driver |
driver |
driver |
1-touch window down |
front and rear |
front and rear |
front and rear |
front and rear |
front and rear |
Programmable garage door opener |
N/A |
N/A |
N/A |
std |
std |
Instrumentation |
analog |
analog |
analog |
analog |
analog |
Tachometer |
std |
std |
std |
std |
std |
Trip computer |
std |
std |
std |
std |
std |
Water temp gauge |
std |
std |
std |
std |
std |
Low fuel warning |
std |
std |
std |
std |
std |
Service interval warning |
std |
std |
std |
std |
std |
Exterior temperature display |
std |
std |
std |
std |
std |
Illuminated vanity mirrors |
driver and passenger |
driver and passenger |
driver and passenger |
driver and passenger |
driver and passenger |
Rear window defogger |
std |
std |
std |
std |
std |
Rear view mirror |
day-night |
auto-dimming day-night |
auto-dimming day-night |
auto-dimming day-night |
auto-dimming day-night |
Remote trunk release |
N/A |
power |
power |
proximity |
proximity |
Retained accessory power |
std |
std |
std |
std |
std |
Seatback storage pockets |
2 |
2 |
2 |
2 |
2 |
Tilt-Wheel adjustable steering column |
std |
std |
std |
std |
std |
Steering wheel material |
leather/metal-look |
leather/metal-look |
leather/metal-look |
leather/metal-look |
leather/metal-look |
Cargo net |
N/A |
opt |
opt |
opt |
opt |
Air compressor |
std |
N/A |
N/A |
N/A |
N/A |
Adaptive cruise control |
N/A |
opt |
opt |
opt |
opt |
2021 GMC Terrain Exterior Features
Would you like to grasp the idea which 2021 GMC Terrain trim level is better equipped with such little cool exterior features like fog lights, spoiler, mud flaps, sunroof, roof racks, running boards, etc? Check out the full list of these additional features below.
Trims |
SL Front-wheel Drive, Engine: 1.5L I-4 |
SLE Front-wheel Drive, Engine: 1.5L I-4 |
SLE All-wheel Drive, Engine: 1.5L I-4 |
SLT Front-wheel Drive, Engine: 1.5L I-4 |
SLT All-wheel Drive, Engine: 1.5L I-4 |
Antenna |
integrated roof |
integrated roof |
integrated roof |
integrated roof |
integrated roof |
Body material |
fully galvanized steel |
fully galvanized steel |
fully galvanized steel |
fully galvanized steel |
fully galvanized steel |
Paint |
clearcoat monotone |
clearcoat monotone |
clearcoat monotone |
clearcoat monotone |
clearcoat monotone |
Grille trim |
chrome |
black w/chrome surround |
black w/chrome surround |
chrome |
chrome |
Fog/driving lights |
N/A |
N/A |
N/A |
front |
front |
Door count |
4 doors |
4 doors |
4 doors |
4 doors |
4 doors |
Rear cargo door |
liftgate |
liftgate |
liftgate |
power liftgate |
power liftgate |
Tinted windows |
deep |
deep |
deep |
deep |
deep |
Rear window type |
fixed |
fixed |
fixed |
fixed |
fixed |
Mirrors |
dual power remote |
dual power remote |
dual power remote |
dual power remote |
dual power remote |
Heated door mirrors |
std |
std |
std |
std |
std |
Sunroof |
N/A |
1st and 2nd row exterior express open/close sliding and tilting glass |
1st and 2nd row exterior express open/close sliding and tilting glass |
1st and 2nd row exterior express open/close sliding and tilting glass |
1st and 2nd row exterior express open/close sliding and tilting glass |
Spoiler |
lip |
lip |
lip |
lip |
lip |
Wheels |
17 silver aluminum |
17 silver aluminum |
17 silver aluminum |
18 machined w/painted accents aluminum |
18 machined w/painted accents aluminum |
Spare tire and wheel |
N/A |
compact steel |
compact steel |
compact steel |
compact steel |
Rear window wipers |
fixed interval |
fixed interval |
fixed interval |
fixed interval |
fixed interval |
Roof rack |
N/A |
opt |
opt |
opt |
opt |
Mud flaps |
N/A |
opt |
opt |
opt |
opt |
Mirrors, auto dimming |
N/A |
N/A |
N/A |
driver and passenger |
driver and passenger |
Roof rails |
N/A |
opt |
opt |
std |
std |
Rear step bumper |
std |
std |
std |
std |
std |
2021 GMC Terrain Seats
The seats are one of the most important aspects of any car, and each 2021 GMC Terrain trim level may have different seating options, so be sure to carefully compare the specifications. Some trims have leather upholstery, "memory", armrest, heated seats, and some have them only for the front passengers, while other provide them for the rear seats two.
Trims |
SL Front-wheel Drive, Engine: 1.5L I-4 |
SLE Front-wheel Drive, Engine: 1.5L I-4 |
SLE All-wheel Drive, Engine: 1.5L I-4 |
SLT Front-wheel Drive, Engine: 1.5L I-4 |
SLT All-wheel Drive, Engine: 1.5L I-4 |
Front seat type |
bucket |
bucket |
bucket |
bucket |
bucket |
Standard seating |
5 |
5 |
5 |
5 |
5 |
Front driver seat direction controls |
6-way |
6-way |
6-way |
8-way power |
8-way power |
Front passenger seat direction controls |
6-way |
6-way |
6-way |
4-way power |
4-way power |
Lumbar support |
N/A |
driver |
driver |
driver and passenger |
driver and passenger |
Front armrests |
center |
center |
center |
center |
center |
Front head restraints |
adjustable |
adjustable |
adjustable |
adjustable |
adjustable |
Heated front seats |
N/A |
driver and front passenger heated-cushion, heated-seatback |
driver and front passenger heated-cushion, heated-seatback |
driver and front passenger heated-cushion, heated-seatback |
driver and front passenger heated-cushion, heated-seatback |
Memory |
N/A |
N/A |
N/A |
driver |
driver |
Rear seats |
60-40 bench |
60-40 bench |
60-40 bench |
60-40 bench |
60-40 bench |
Rear armrest |
std |
std |
std |
std |
std |
Rear head restraints |
2 - foldable |
2 - foldable |
2 - foldable |
2 - foldable |
2 - foldable |
Seat trim |
premium cloth |
premium cloth |
premium cloth |
leather |
leather |
Fold flat front passenger seat |
std |
std |
std |
std |
std |
2021 GMC Terrain Entertainment System
Some 2021 GMC Terrain trim levels have a built-in DVD player, voice recognition, while others have a touch screen display, bluetooth compatibility, navigation system. There are also a variety of different audio options, so be sure to compare the trim levels carefully to find the one that best suits your needs.
Trims |
SL Front-wheel Drive, Engine: 1.5L I-4 |
SLE Front-wheel Drive, Engine: 1.5L I-4 |
SLE All-wheel Drive, Engine: 1.5L I-4 |
SLT Front-wheel Drive, Engine: 1.5L I-4 |
SLT All-wheel Drive, Engine: 1.5L I-4 |
Radio |
AM/FM stereo, seek-scan |
AM/FM stereo, seek-scan |
AM/FM stereo, seek-scan |
SiriusXM AM/FM/Satellite, seek-scan |
SiriusXM AM/FM/Satellite, seek-scan |
Auxiliary input jack |
std |
std |
std |
std |
std |
Steering wheel audio controls |
std |
std |
std |
std |
std |
Voice recognition |
std |
std |
std |
std |
std |
Speakers |
6 |
6 |
6 |
6 |
6 |
Amplifier |
N/A |
N/A |
N/A |
opt |
opt |
Speed-Sensitive Volume |
std |
std |
std |
std |
std |
Navigation system |
N/A |
GMC Connected Navigation with voice activation |
GMC Connected Navigation with voice activation |
GMC Connected Navigation with voice activation |
GMC Connected Navigation with voice activation |
1st row LCD screen |
1 |
1 |
1 |
2 |
2 |
Bluetooth Compatibility |
std |
std |
std |
std |
std |
Entertainment system |
N/A |
with digital media |
with digital media |
with digital media |
with digital media |
2nd row LCD screen |
N/A |
2 |
2 |
2 |
2 |
Equalizer |
automatic |
automatic |
automatic |
automatic |
automatic |
2021 GMC Terrain Safety and Security Features
Each 2021 GMC Terrain trim comes with a variety of safety and security features that will keep you and your family safe while on the road. Some of these features include airbags, traction control, stability control, side impact, panic alarm, blind spot sensors, parking assist, and more.
Trims |
SL Front-wheel Drive, Engine: 1.5L I-4 |
SLE Front-wheel Drive, Engine: 1.5L I-4 |
SLE All-wheel Drive, Engine: 1.5L I-4 |
SLT Front-wheel Drive, Engine: 1.5L I-4 |
SLT All-wheel Drive, Engine: 1.5L I-4 |
Airbags, frontal |
driver and front passenger |
driver and front passenger |
driver and front passenger |
driver and front passenger |
driver and front passenger |
Airbags, side impact |
seat mounted, driver and passenger |
seat mounted, driver and passenger |
seat mounted, driver and passenger |
seat mounted, driver and passenger |
seat mounted, driver and passenger |
Airbags, side curtain |
curtain 1st and 2nd row |
curtain 1st and 2nd row |
curtain 1st and 2nd row |
curtain 1st and 2nd row |
curtain 1st and 2nd row |
Occupancy sensor |
std |
std |
std |
std |
std |
Traction control |
ABS and driveline |
ABS and driveline |
ABS and driveline |
ABS and driveline |
ABS and driveline |
Seatbelt pre-tensioners |
front |
front |
front |
front |
front |
Headlights |
high intensity low beam |
high intensity low beam |
high intensity low beam |
high intensity low beam |
high intensity low beam |
Exterior light control |
fully automatic |
fully automatic |
fully automatic |
fully automatic |
fully automatic |
Delay-off headlamps |
std |
std |
std |
std |
std |
Daytime running lights |
std |
std |
std |
std |
std |
Illuminated entry |
std |
std |
std |
std |
std |
Remote keyless entry |
keyfob (all doors) |
keyfob (all doors) |
keyfob (all doors) |
keyfob (all doors) |
keyfob (all doors) |
Keyless access system |
std |
std |
std |
std |
std |
Panic alarm |
std |
std |
std |
std |
std |
Door locks |
power with 2 stage unlock |
power with 2 stage unlock |
power with 2 stage unlock |
power with 2 stage unlock |
power with 2 stage unlock |
Content theft deterrent alarm system |
std |
std |
std |
std |
std |
Ignition disable |
std |
std |
std |
std |
std |
Theft deterrent radio |
TheftLock |
TheftLock |
std |
TheftLock |
std |
Low tire pressure warning |
std |
std |
std |
std |
std |
Parking assist |
N/A |
Rear Park Assist |
opt |
Rear Park Assist |
opt |
First aid kit |
N/A |
opt |
opt |
opt |
opt |
Lane departure warning |
Lane Keep Assist with Lane Departure Warning |
Lane Keep Assist with Lane Departure Warning |
std |
Lane Keep Assist with Lane Departure Warning |
std |
Blind spot sensor |
N/A |
opt |
opt |
opt |
opt |
In-Vehicle Assistance Service |
std |
std |
std |
std |
std |
Stolen vehicle tracking |
std |
std |
std |
std |
std |
2021 GMC Terrain Mechanical Features
The 2021 GMC Terrain will have different mechanical features depending on the trim level that you choose. Some of the other features that you may find in the higher-level trim levels include air suspension, brake assist, speed sensitive steering, an electronic limited slip differential, a performance exhaust system.
Trims |
SL Front-wheel Drive, Engine: 1.5L I-4 |
SLE Front-wheel Drive, Engine: 1.5L I-4 |
SLE All-wheel Drive, Engine: 1.5L I-4 |
SLT Front-wheel Drive, Engine: 1.5L I-4 |
SLT All-wheel Drive, Engine: 1.5L I-4 |
Engine |
1.5L I-4 |
1.5L I-4 |
1.5L I-4 |
1.5L I-4 |
1.5L I-4 |
Recommended fuel |
regular unleaded |
regular unleaded |
regular unleaded |
regular unleaded |
regular unleaded |
Brakes |
4-wheel disc |
4-wheel disc |
4-wheel disc |
4-wheel disc |
4-wheel disc |
Anti-lock braking system (ABS) |
4-wheel |
4-wheel |
4-wheel |
4-wheel |
4-wheel |
Brake assist |
std |
std |
std |
std |
std |
Drive type |
front-wheel |
front-wheel |
all-wheel |
front-wheel |
all-wheel |
Exhaust |
stainless steel |
stainless steel |
stainless steel |
stainless steel |
stainless steel |
Steering |
rack and pinion |
rack and pinion |
rack and pinion |
rack and pinion |
rack and pinion |
Speed sensitive steering |
std |
std |
std |
std |
std |
Suspension tuning |
regular |
regular |
regular |
regular |
regular |
Front suspension type |
strut |
strut |
strut |
strut |
strut |
Front anti-roll bar |
std |
std |
std |
std |
std |
Front shocks |
gas-pressurized |
gas-pressurized |
gas-pressurized |
gas-pressurized |
gas-pressurized |
Front springs |
coil |
coil |
coil |
coil |
coil |
Rear suspension type |
multi-link |
multi-link |
multi-link |
multi-link |
multi-link |
Rear anti-roll bar |
std |
std |
std |
std |
std |
Rear shocks |
gas-pressurized |
gas-pressurized |
gas-pressurized |
gas-pressurized |
gas-pressurized |
Rear springs |
coil |
coil |
coil |
coil |
coil |
Electronic stability system |
std |
std |
std |
std |
std |
Sequential shift control |
std |
std |
std |
std |
std |
Transmission |
9-spd auto w/OD |
9-spd auto w/OD |
9-spd auto w/OD |
9-spd auto w/OD |
9-spd auto w/OD |
Axle ratio |
3.47 |
3.47 |
3.47 |
3.47 |
3.47 |
Turbocharger |
intercooled turbo |
intercooled turbo |
intercooled turbo |
intercooled turbo |
intercooled turbo |
Engine block heater |
opt |
opt |
opt |
opt |
opt |
Remote vehicle starting system |
N/A |
opt |
opt |
std |
std |
2021 GMC Terrain Other Specs
In general, the 2021 GMC Terrain lower-level trims will have fewer features. If you are looking for a vehicle that has all of the latest and greatest features, then you will want to choose one of the higher-level trim levels.
Trims |
SL Front-wheel Drive, Engine: 1.5L I-4 |
SLE Front-wheel Drive, Engine: 1.5L I-4 |
SLE All-wheel Drive, Engine: 1.5L I-4 |
SLT Front-wheel Drive, Engine: 1.5L I-4 |
SLT All-wheel Drive, Engine: 1.5L I-4 |
Luggage capacity |
29.6 cu.ft. |
29.6 cu.ft. |
29.6 cu.ft. |
29.6 cu.ft. |
29.6 cu.ft. |
Maximum cargo capacity |
63.3 cu.ft. |
63.3 cu.ft. |
63.3 cu.ft. |
63.3 cu.ft. |
63.3 cu.ft. |
Base engine size |
1.5 liters |
1.5 liters |
1.5 liters |
1.5 liters |
1.5 liters |
Base engine type |
I-4 |
I-4 |
I-4 |
I-4 |
I-4 |
Horsepower rpm |
5,600 |
5,600 |
5,600 |
5,600 |
5,600 |
Torque rpm |
2,000 |
2,000 |
2,000 |
2,000 |
2,000 |
EPA mileage estimates |
25 City / 30 Hwy |
25 City / 30 Hwy |
25 City / 28 Hwy |
25 City / 30 Hwy |
25 City / 28 Hwy |
Driver information center |
std |
std |
std |
std |
std |
Lighting - map lights |
front |
front |
front |
front |
front |
Lighting - dome light |
fade |
fade |
fade |
fade |
fade |
Lighting - cargo light |
std |
std |
std |
std |
std |
Mirrors - visor vanity mirrors |
driver and passenger |
driver and passenger |
driver and passenger |
driver and passenger |
driver and passenger |
Height adjustable safety belts |
front |
front |
front |
front |
front |
Engine - valvetrain |
DOHC |
DOHC |
DOHC |
DOHC |
DOHC |
Warranty - Basic (mths/miles) |
36/36,000 |
36/36,000 |
36/36,000 |
36/36,000 |
36/36,000 |
Warrranty - Powertrain (mths/miles) |
60/60,000 |
60/60,000 |
60/60,000 |
60/60,000 |
60/60,000 |
Warranty - Corrosion perforation (mths/miles) |
72/100,000 |
72/100,000 |
72/100,000 |
72/100,000 |
72/100,000 |
Warranty - Roadside assistance (mths/miles) |
60/60,000 |
60/60,000 |
60/60,000 |
60/60,000 |
60/60,000 |
Warranty - Maintenance (mths/miles) |
12/unlimited |
12/unlimited |
12/unlimited |
12/unlimited |
12/unlimited |
Tires |
P225/65TR17.0 BSW AS |
P225/65TR17.0 BSW AS |
P225/65TR17.0 BSW AS |
P225/60TR18.0 BSW AS |
P225/60TR18.0 BSW AS |
Windshield wipers - front |
variable intermittent |
variable intermittent |
variable intermittent |
variable intermittent |
variable intermittent |
Maximum towing capacity |
1,500 lbs. |
1,500 lbs. |
1,500 lbs. |
1,500 lbs. |
1,500 lbs. |