Compare the2024 GMC TerrainVS 2023 Fiat 500X

Safety
Warranty
Reliability
Fuel Economy and Range
Environmental Friendliness
Tires and Wheels
Suspension and Handling
Chassis
Passenger Space
Cargo Capacity
Towing
Ergonomics
Model Availability
Recommendations

Safety

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In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the Terrain are reminded to check the back seat if they opened the rear door before starting out. The 500X doesn’t offer a back seat reminder.

The Insurance Institute for Highway Safety tests front crash prevention systems. With a score of 6 points, IIHS rates the Automatic Emergency Braking in the Terrain as “Superior.” The 500X scores only 4 points and is rated only “Advanced.”

When descending a steep, off-road slope, the Terrain’s standard Hill Descent Control allows you to creep down safely. The 500X doesn’t offer Hill Descent Control.

The Terrain’s standard lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane and gently nudges the vehicle back towards its lane. A lane departure warning system costs extra on the 500X and is only available on 500X Sport.

The Terrain SLT/AT4/Denali offers an optional Surround Vision to allow the driver to see objects all around the vehicle on a screen. The 500X only offers a rear monitor and front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.

Both the Terrain and the 500X have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, available all wheel drive, blind spot warning systems and rear cross-path warning.

Warranty

GMC’s powertrain warranty covers the Terrain 1 year and 10,000 miles longer than Fiat covers the 500X. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 5 years or 60,000 miles. Coverage on the 500X ends after only 4 years or 50,000 miles.

The Terrain’s corrosion warranty is 1 year longer than the 500X’s (6 vs. 5 years).

There are almost 5 times as many GMC dealers as there are Fiat dealers, which makes it much easier should you ever need service under the Terrain’s warranty.

Reliability

To reliably start during all conditions and help handle large electrical loads, the Terrain has a standard 700-amp battery. The 500X’s 500-amp battery isn’t as powerful.

A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the Terrain’s reliability 21 points higher than the 500X.

J.D. Power and Associates rated the Terrain second among compact suvs in their 2023 Initial Quality Study. The 500X isn’t in the top three in its category.

Fuel Economy and Range

To lower fuel costs and make buying fuel easier, the GMC Terrain uses regular unleaded gasoline. The 500X requires premium for maximum efficiency, which can cost on average about 82.8 cents more per gallon.

The Terrain FWD’s standard fuel tank has 2.2 gallons more fuel capacity than the 500X (14.9 vs. 12.7 gallons), for longer range between fill-ups. The Terrain AWD’s standard fuel tank has 2.9 gallons more fuel capacity than the 500X (15.6 vs. 12.7 gallons).

Environmental Friendliness

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the GMC Terrain higher (7 out of 10) than the Fiat 500X (6). This means the Terrain produces up to 1.1 pounds less smog-producing pollutants than the 500X every 15,000 miles.

Tires and Wheels

For better traction, the Terrain has larger standard tires than the 500X (225/65R17 vs. 215/60R17). The Terrain’s optional tires are larger than the largest tires available on the 500X (235/50R19 vs. 225/55R18).

The Terrain has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The 500X doesn’t offer vehicle monitored tire inflation.

Suspension and Handling

For a smoother ride and more stable handling, the Terrain’s wheelbase is 6.1 inches longer than on the 500X (107.3 inches vs. 101.2 inches).

For better handling and stability, the track (width between the wheels) on the Terrain is 1.6 inches wider in the front and 1.8 inches wider in the rear than on the 500X.

The Terrain Denali AWD handles at .79 G’s, while the 500X pulls only .76 G’s of cornering force in a Motor Trend skidpad test.

The Terrain Denali AWD executes Motor Trend’s “Figure Eight” maneuver 1.2 seconds quicker than the 500X (27.5 seconds @ .64 average G’s vs. 28.7 seconds @ .59 average G’s).

Chassis

The front grille of the Terrain offers available electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The 500X doesn’t offer active grille shutters.

The Terrain uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The 500X doesn’t offer active noise cancellation.

Passenger Space

The Terrain has 11.5 cubic feet more passenger volume than the 500X (103.2 vs. 91.7).

The Terrain has .9 inches more front headroom, 1.1 inches more front hip room, 2.9 inches more front shoulder room, .7 inches more rear headroom, 4.9 inches more rear legroom and 2.8 inches more rear shoulder room than the 500X.

For enhanced passenger comfort on long trips the Terrain’s rear seats recline. The 500X’s rear seats don’t recline.

Cargo Capacity

The Terrain has a much larger cargo volume with its rear seat up than the 500X with its rear seat up (29.6 vs. 14.1 cubic feet). The Terrain has a much larger cargo volume with its rear seat folded than the 500X with its rear seat folded (63.3 vs. 39.8 cubic feet).

Pulling a handle automatically lowers the Terrain’s rear seats, to make changing between passengers and cargo easier. The 500X doesn’t offer automatic folding seats.

To make loading and unloading groceries and cargo easier, especially for short adults, the Terrain offers an optional power liftgate, which opens and closes automatically by pressing a button, or on the Terrain SLT/AT4/Denali, by just kicking your foot under the back bumper, completely leaving your hands free. The 500X doesn’t offer a power liftgate.

Towing

Standard Trailer Sway Control on the Terrain uses the StabiliTrak® sensors to detect trailer sway, then uses individual brakes to counteract any swaying and help keep the tow vehicle and trailer steady. The 500X doesn’t offer electronic trailer sway control.

Ergonomics

When two different drivers share the Terrain SLT/AT4/Denali, the memory seats and mirrors make it convenient for both. Each setting activates different, customized memories for the driver’s seat position and outside mirror angle. The 500X doesn’t offer a memory system.

The Terrain SLT/AT4/Denali’s standard easy entry system glides the driver’s seat back when the door is unlocked or the ignition is switched off, making it easier for the driver to get in and out. The 500X doesn’t offer an easy entry system.

The Terrain’s instruments include an oil pressure gauge and a temperature gauge - which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The 500X does not have an oil pressure gauge.

The Terrain (except SLE) offers an available heads-up display that projects speed, tachometer and navigation instruction readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The 500X doesn’t offer a heads-up display.

On a hot day the Terrain’s driver can lower all the windows from a distance using the keyless remote. The driver of the 500X can only operate the windows from inside the vehicle, with the ignition on.

The Terrain has a standard automatic headlight on/off feature. When the ignition is on, the headlights automatically turn on at dusk and off after dawn. When the ignition turns off, the headlights turn off after a delay timed to allow you to securely get to your front door. The 500X only offers an automatic headlight on/off feature as an extra cost option.

When the Terrain SLT/AT4/Denali is put in reverse, both rearview mirrors tilt from their original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirrors into their original positions. The 500X’s mirrors don’t automatically adjust for backing.

Both the Terrain and the 500X offer available heated front seats. The Terrain Denali also offers optional heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the 500X.

Optional air-conditioned seats in the Terrain Denali keep the driver and front passenger comfortable and take the sting out of hot seats in Summer. The 500X doesn’t offer air-conditioned seats.

On extremely cold winter days, the Terrain SLT/AT4/Denali’s standard heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the vehicle heater warms up. The 500X doesn’t offer a heated steering wheel.

The Terrain has a standard center folding armrest for the rear passengers. A center armrest helps make rear passengers more comfortable and it can provide a boundary between children. The 500X doesn’t offer a rear seat center armrest.

For greater rear passenger comfort, the Terrain has standard rear a/c vents to keep rear occupants more comfortable. The 500X doesn’t offer rear vents.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the GMC Terrain Denali has a standard wireless phone charging system (Qi) in the center console. The 500X doesn’t offer wireless personal charging.

The Terrain offers an optional 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The 500X doesn’t offer a house-current electrical outlet.

The Terrain Denali’s optional Automatic Parking Assist can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The 500X doesn’t offer an automated parking system.

Model Availability

The Terrain is available in both front-wheel drive and four-wheel drive configurations. The 500X doesn’t offer a two-wheel drive configuration.

Recommendations

The GMC Terrain outsold the Fiat 500X by almost 99 to one during 2022.