Compare the2023 Audi S3VS 2023 Subaru WRX

Safety
Warranty
Reliability
Engine
Fuel Economy and Range
Environmental Friendliness
Transmission
Brakes and Stopping
Tires and Wheels
Chassis
Cargo Capacity
Towing
Servicing Ease
Ergonomics

Safety

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The S3’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The WRX doesn’t offer pre-crash pretensioners.

Both the S3 and WRX have child safety locks to prevent children from opening the rear doors. The S3 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 WRX’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 Audi S3 has standard driver and front passenger side knee airbags mounted low on the dashboard. These airbags helps prevent the driver and front passenger from sliding under their seatbelts or the main frontal airbags; this keeps them better positioned during a collision for maximum protection. Knee airbags also help keep the legs from striking the dashboard, preventing knee and leg injuries in the case of a serious frontal collision. The WRX doesn’t offer a front passenger side knee airbag.

The S3 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 WRX 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.

The S3’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 WRX.

The S3 has standard Parking System Plus to help warn the driver about vehicles, pedestrians or other obstacles behind or in front of their vehicle. The WRX doesn’t offer a front parking aid.

Both the S3 and the WRX have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available blind spot warning systems and rear cross-path warning.

Warranty

The S3 comes with a full 4-year/50,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The WRX’s 3-year/36,000-mile basic warranty expires 1 year or 14,000 miles sooner.

The S3’s corrosion warranty is 7 years longer than the WRX’s (12 vs. 5 years).

Reliability

The Audi S3’s engine uses a cast iron block for durability, while the WRX’s engine uses an aluminum block. Aluminum engine blocks are much more prone to warp and crack at high temperatures than cast iron.

From surveys of all its subscribers, Consumer Reports’ January 2023 Auto Issue reports that Audi vehicles are more reliable than Subaru vehicles. Consumer Reports ranks Audi 1 place higher in reliability than Subaru.

Engine

The S3’s 2.0 turbo 4-cylinder produces 35 more horsepower (306 vs. 271) and 37 lbs.-ft. more torque (295 vs. 258) than the WRX’s 2.4 turbo 4-cylinder.

Fuel Economy and Range

On the EPA test cycle the S3 gets better mileage than the WRX:

			MPG
S3
	Auto	2.0 turbo 4-cyl.	23 city/32 hwy
WRX
	Manual	2.4 turbo flat-4	19 city/26 hwy
	Auto	2.4 turbo flat-4	19 city/25 hwy

In heavy traffic or at stoplights the S3’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. If the conditions warrant or the driver wishes, the system can be manually disabled at any time for the duration of a trip. The WRX doesn’t offer an automatic engine start/stop system.

Environmental Friendliness

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Audi S3 higher (5 out of 10) than the Subaru WRX (3). This means the S3 produces up to 16.5 pounds less smog-producing pollutants than the WRX every 15,000 miles.

Transmission

The Audi S3 comes standard with an automatic transmission, for driver comfort, especially in the city. Automatic costs extra on the WRX.

The S3 offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is more internally efficient than a CVT but just as easy to drive. The WRX doesn’t offer an SMG.

Brakes and Stopping

For better stopping power the S3’s brake rotors are larger than those on the WRX:

	S3	WRX
Front Rotors	14.1 inches	12.4 inches
Rear Rotors	12.2 inches	11.4 inches
Opt Rear Rotors		11.8 inches

Tires and Wheels

The S3’s standard tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the WRX’s standard 45 series tires. The S3’s optional tires have a lower 35 series profile than the WRX’s optional 40 series tires.

For better ride, handling and brake cooling the S3 has standard 18-inch wheels. Smaller 17-inch wheels are standard on the WRX. The S3’s optional 19-inch wheels are larger than the 18-inch wheels optional on the WRX.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the S3 can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The WRX doesn’t offer run-flat tires.

Chassis

The S3 is 6.5 inches shorter than the WRX, making the S3 easier to handle, maneuver and park in tight spaces.

Cargo Capacity

A low lift-over trunk design makes loading and unloading the S3 easier. The S3’s trunk lift-over height is 26.7 inches, while the WRX’s liftover is 28.7 inches.

To make loading and unloading groceries and cargo easier, especially for short adults, the S3 has a standard power trunk, which opens and closes automatically by pressing a button, or optionally by just kicking your foot under the back bumper, completely leaving your hands free. The WRX doesn’t offer a power trunk.

Towing

The S3 has a 3500 lbs. towing capacity. The WRX has no towing capacity.

Servicing Ease

J.D. Power and Associates surveys of service recipients show that Audi service is better than Subaru. J.D. Power ranks Audi 8th in service department satisfaction (above the industry average). With a 13% lower rating, Subaru is ranked 16th.

Ergonomics

When different drivers share the S3, the optional memory seats and mirrors make it convenient. Each setting activates different, customized memories for the driver’s seat position and outside mirror angle. The WRX doesn’t offer a memory system.

The S3 Prestige has a standard heads-up display that projects speed 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 WRX doesn’t offer a heads-up display.

The S3’s power parking brake sets with one touch and releases with one touch or automatically. The WRX has a lever-type parking brake that has to be strenuously raised to engage properly. It has to be lifted up more and a button depressed to release it.

The power windows standard on both the S3 and the WRX have locks to prevent small children from operating them. When the lock on the S3 is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The WRX prevents the driver from operating the rear windows just as it does the other passengers.

The S3’s front and rear power windows all open or close fully with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside the car. The WRX’s standard rear power window switches have to be held the entire time to open or close them fully.

If the windows are left open on the S3 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 WRX can only operate the windows from inside the vehicle, with the ignition on.

The S3’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 WRX’s manually variable intermittent wipers have to be constantly adjusted.

Heated windshield washer nozzles are standard on the S3 to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The WRX 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 S3 Prestige has standard headlight washers to keep headlight output high. The WRX doesn’t offer headlight washers.

To shield the driver and front passenger’s vision over a larger portion of the windshield, the S3 has standard extendable sun visors. The WRX doesn’t offer extendable visors.

The S3’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. Subaru only offers heated mirrors on the WRX Premium/Limited/GT.

When the S3 with available tilt-down mirrors is put in reverse, the passenger rearview mirror tilts from its original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirror into its original position. The WRX’s mirror doesn’t automatically adjust for backing.

The S3 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 is only available on the WRX Premium/Limited/GT.

Both the S3 and the WRX offer rear vents. For greater rear passenger comfort, the S3 has standard rear air conditioning vents to keep rear occupants cool in summer or warm in winter. The WRX doesn’t offer rear air conditioning vents, only heat vents.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Audi S3 offers an optional wireless phone charging system (Qi) in the center console. The WRX doesn’t offer wireless personal charging.

The S3’s Park Assist can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The WRX doesn’t offer an automated parking system.

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