2020 Audi A4 Allroad vs. 2020 GMC Terrain

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/02/29

For enhanced safety, the front and rear seat shoulder belts of the Audi A4 Allroad have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The GMC Terrain doesn’t offer pretensioners for the rear seat belts.

The A4 Allroad’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Terrain doesn’t offer pre-crash pretensioners.

For enhanced safety, the front seat shoulder belts of the Audi A4 Allroad are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The GMC Terrain doesn’t offer height-adjustable front seat belts.

Both the A4 Allroad and Terrain have child safety locks to prevent children from opening the rear doors. The A4 Allroad has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The Terrain’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

The A4 Allroad has a standard Audi Backguard System, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Audi Backguard System moves the headrests forward to prevent neck and spine injuries. At the same time the pretensioning seatbelts fire, removing slack from the belts. The Terrain doesn’t offer a whiplash protection system.

The A4 Allroad has a standard Secondary Collision Brake Assist, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Terrain doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the A4 Allroad. But it costs extra on the Terrain.

Both the A4 Allroad and the Terrain have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, available lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.

Warranty

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The A4 Allroad comes with a full 4-year/50,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The Terrain’s 3-year/36,000-mile basic warranty expires 1 year and 14,000 miles sooner.

The A4 Allroad’s corrosion warranty is 6 years and unlimited miles longer than the Terrain’s (12/unlimited vs. 6/100,000).

Reliability

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The Audi A4 Allroad’s engine uses a cast iron block for durability, while the Terrain’s engines use an aluminum block. Aluminum engine blocks are much more prone to warp and crack at high temperatures than cast iron.

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 A4 Allroad’s reliability 19 points higher than the Terrain.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Audi vehicles are more reliable than GMC vehicles. J.D. Power ranks Audi 8th in reliability, above the industry average. With 37 more problems per 100 vehicles, GMC is ranked 22nd.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Audi vehicles are more reliable than GMC vehicles. Consumer Reports ranks Audi 8 places higher in reliability than GMC.

Engine

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The A4 Allroad’s 2.0 turbo 4-cylinder produces 78 more horsepower (248 vs. 170) and 70 lbs.-ft. more torque (273 vs. 203) than the Terrain’s standard 1.5 turbo 4-cylinder. The A4 Allroad’s 2.0 turbo 4-cylinder produces 13 lbs.-ft. more torque (273 vs. 260) than the Terrain’s optional 2.0 turbo 4-cylinder.

As tested in Motor Trend the Audi A4 Allroad is faster than the GMC Terrain 2.0 turbo 4-cylinder:

A4 Allroad

Terrain

Zero to 60 MPH

5.5 sec

6.8 sec

Quarter Mile

14.1 sec

15.4 sec

Speed in 1/4 Mile

97.6 MPH

89 MPH

Fuel Economy and Range

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/02/29

On the EPA test cycle the A4 Allroad gets better fuel mileage than the Terrain:

MPG

A4 Allroad

AWD

2.0 turbo 4-cyl.

23 city/31 hwy

Terrain

FWD

1.5 turbo 4-cyl.

26 city/30 hwy

2.0 turbo 4-cyl.

22 city/28 hwy

AWD

1.5 turbo 4-cyl.

25 city/28 hwy

2.0 turbo 4-cyl.

21 city/26 hwy

Environmental Friendliness

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In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Audi A4 Allroad higher (5 out of 10) than the GMC Terrain (3 to 5). This means the A4 Allroad produces up to 16.5 pounds less smog-producing pollutants than the Terrain every 15,000 miles.

Transmission

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The A4 Allroad offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The Terrain doesn’t offer an SMG or a conventional manual transmission.

The A4 Allroad’s launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The Terrain doesn’t offer launch control.

Brakes and Stopping

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For better stopping power the A4 Allroad’s brake rotors are larger than those on the Terrain:

A4 Allroad

Terrain 1.5T

Terrain 2.0T

Front Rotors

13.3 inches

11.8 inches

12.6 inches

Rear Rotors

13 inches

11.3 inches

11.3 inches

The A4 Allroad’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs on the Terrain are solid, not vented.

The A4 Allroad stops much shorter than the Terrain:

A4 Allroad

Terrain

60 to 0 MPH

119 feet

130 feet

Motor Trend

Tires and Wheels

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For better traction, the A4 Allroad has larger tires than the Terrain (245/45R18 vs. 225/65R17). The A4 Allroad’s tires are larger than the largest tires available on the Terrain (245/45R18 vs. 235/50R19).

The A4 Allroad’s tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the Terrain’s standard 65 series tires. The A4 Allroad’s tires are lower profile than the Terrain’s optional 50 series tires.

For better ride, handling and brake cooling the A4 Allroad has standard 18-inch wheels. Smaller 17-inch wheels are standard on the Terrain.

Suspension and Handling

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The A4 Allroad has standard front and rear stabilizer bars, which help keep the A4 Allroad flat and controlled during cornering. The Terrain’s suspension doesn’t offer a rear stabilizer bar.

The A4 Allroad has a standard driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads. The Terrain’s suspension doesn’t offer adjustable shock absorbers.

For a smoother ride and more stable handling, the A4 Allroad’s wheelbase is 3.6 inches longer than on the Terrain (110.9 inches vs. 107.3 inches).

The A4 Allroad Premium Plus handles at .81 G’s, while the Terrain Denali AWD pulls only .79 G’s of cornering force in a Motor Trend skidpad test.

The A4 Allroad Premium Plus executes Motor Trend’s “Figure Eight” maneuver 1.2 seconds quicker than the Terrain Denali AWD (26.3 seconds @ .69 average G’s vs. 27.5 seconds @ .64 average G’s).

Cargo Capacity

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A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the A4 Allroad. The Terrain doesn’t offer locking storage for small valuables.

Towing

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The A4 Allroad’s standard towing capacity is much higher than the Terrain’s (3968 vs. 1500 pounds).

Servicing Ease

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The A4 Allroad uses gas struts to support the hood for easier service access. The Terrain uses a prop rod to support its heavy hood. It takes two hands to open the hood and set the prop rod, the prop rod gets in the way during maintenance and service, and the prop rod could be knocked out, causing the heavy hood to fall on the person maintaining or servicing the car.

The engine in the A4 Allroad is mounted longitudinally (North-South), instead of sideways, as in the Terrain. This makes it easier to service and maintain, because the accessory belts are in front.

J.D. Power and Associates surveys of service recipients show that Audi service is better than GMC. J.D. Power ranks Audi 8th in service department satisfaction (above the industry average). With a 17% lower rating, GMC is ranked 14th.

Ergonomics

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The A4 Allroad Prestige has a standard heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Terrain doesn’t offer a heads-up display.

The A4 Allroad’s front and rear power windows all open or close with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The Terrain’s passenger windows don’t close automatically.

If the windows are left open on the A4 Allroad the driver can close them all at the outside door handle or from a distance using the remote. On a hot day the driver can lower the windows from a distance using the keyless remote. The driver of the Terrain can only close the windows from inside the vehicle, with the ignition on.

The A4 Allroad’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The Terrain’s manually variable intermittent wipers have to be constantly adjusted.

Heated windshield washer nozzles are standard on the A4 Allroad to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The Terrain doesn’t offer heated windshield washer nozzles.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The A4 Allroad Prestige has standard headlight washers to keep headlight output high. The Terrain doesn’t offer headlight washers.

To help drivers avoid possible obstacles, the A4 Allroad has standard cornering lights to illuminate around corners when the turn signals are activated. The Terrain doesn’t offer cornering lights.

The A4 Allroad has a standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. Dual zone air conditioning costs extra on the Terrain and isn’t available on the Terrain SL.

The A4 Allroad’s standard automatic temperature control maintains the temperature you set, automatically controlling fan speed, vents and temperature to maintain a consistent, comfortable environment. The Terrain SL doesn’t offer automatic air conditioning.

The A4 Allroad (except Premium)’s available GPS navigation system has a real-time traffic update feature that plots alternative routes to automatically bypass traffic problems. (Service not available in all areas.) The Terrain’s available navigation system doesn’t offer real-time traffic updates.

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