Compare the2024 Audi A4VS 2024 Nissan Altima

Safety
Warranty
Reliability
Engine
Fuel Economy and Range
Transmission
Brakes and Stopping
Tires and Wheels
Suspension and Handling
Chassis
Passenger Space
Cargo Capacity
Towing
Servicing Ease
Ergonomics
Economic Advantages
Recommendations

Safety

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

Both the A4 and Altima have child safety locks to prevent children from opening the rear doors. The A4 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 Altima’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 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 Altima doesn’t offer a whiplash protection system.

The A4 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 Altima 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. But it costs extra on the Altima.

When descending a steep, off-road slope, the A4’s standard Hill Descent Control allows you to creep down safely. The Altima doesn’t offer Hill Descent Control.

Both the A4 and Altima offer rear cross-traffic warning, but the A4 with Rear Cross-Traffic Assist also has Automatic Brake Activation (automatically applies the brakes) to better prevent a collision when backing near traffic. The Altima’s Rear Cross Traffic Alert doesn’t automatically brake.

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

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Audi A4 is safer than the Nissan Altima:

	A4	Altima
	Passenger
STARS	4 Stars	4 Stars
HIC	236	239
Neck Injury Risk	25%	54%
Neck Stress	119 lbs.	280 lbs.
Neck Compression	47 lbs.	110 lbs.

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

The National Highway Traffic Safety Administration does side impact tests on new vehicles. In this test, which crashes the vehicle into a flat barrier at 38.5 MPH and into a post at 20 MPH, results indicate that the Audi A4 is safer than the Nissan Altima:

	A4	Altima
	Front Seat
STARS	5 Stars	4 Stars
HIC	172	187
Chest Movement	1.1 inches	1.4 inches
Hip Force	308 lbs.	511 lbs.
	Into Pole
STARS	5 Stars	5 Stars
Max Damage Depth	12 inches	16 inches
Hip Force	666 lbs.	769 lbs.

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

Warranty

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

The A4’s corrosion warranty is 7 years longer than the Altima’s (12 vs. 5 years).

Reliability

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

To reliably power the ignition and other systems and to recharge the battery, the A4 has a 150-amp alternator. The Altima’s standard 120-amp alternator isn’t as powerful.

Engine

The A4 has more powerful engines than the Altima:

	Horsepower	Torque
A4 40 TFSI 2.0 turbo 4-cylinder hybrid	201 HP	236 lbs.-ft.
A4 45 TFSI 2.0 turbo 4-cylinder hybrid	261 HP	273 lbs.-ft.
Altima AWD 2.5 DOHC 4-cylinder	182 HP	178 lbs.-ft.
Altima 2.5 DOHC 4-cylinder	188 HP	180 lbs.-ft.
Altima SR 2.0 turbo 4-cylinder	248 HP	273 lbs.-ft.

As tested in Car and Driver the A4 45 TFSI is faster than the Altima SR 2.0 turbo 4-cylinder:

	A4	Altima
Zero to 60 MPH	4.8 sec	5.9 sec
Zero to 100 MPH	12.9 sec	14.7 sec
5 to 60 MPH Rolling Start	5.6 sec	6.4 sec
Quarter Mile	13.5 sec	14.5 sec
Speed in 1/4 Mile	102 MPH	99 MPH

Fuel Economy and Range

Regenerative brakes improve the A4’s fuel efficiency by converting inertia back into energy instead of wasting it. The Altima doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the A4’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 Altima doesn’t offer an automatic engine start/stop system.

Transmission

The A4’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 Altima doesn’t offer launch control.

Brakes and Stopping

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

	A4 40 TFSI	A4 45 TFSI	Altima
Front Rotors	12.4 inches	13.3 inches	11.65 inches
Rear Rotors	11.8 inches	13 inches	11.02 inches
Opt Rear Rotors			11.5 inches

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

The A4 stops much shorter than the Altima:

	A4	Altima
70 to 0 MPH	149 feet	176 feet	Car and Driver
60 to 0 MPH	105 feet	119 feet	Motor Trend

Tires and Wheels

For better traction, the A4 has larger standard tires than the Altima (225/50R17 vs. 215/60R16). The A4’s optional tires are larger than the largest tires available on the Altima (245/40R18 vs. 235/40R19).

The A4’s standard tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the Altima S’ standard 60 series tires. The A4’s optional tires have a lower 35 series profile than the Altima SR/SL’s 40 series tires.

For better ride, handling and brake cooling the A4 has standard 17-inch wheels. Smaller 16-inch wheels are standard on the Altima S.

Suspension and Handling

The A4’s front to rear weight distribution is more even (56% to 44%) than the Altima’s (58.9% to 41.1%). This gives the A4 more stable handling and braking.

The A4 Premium Plus handles at .97 G’s, while the Altima SL AWD pulls only .89 G’s of cornering force in a Car and Driver skidpad test.

The A4 Premium Plus executes Motor Trend’s “Figure Eight” maneuver 2.4 seconds quicker than the Altima SV AWD (25.3 seconds @ .74 average G’s vs. 27.7 seconds @ .61 average G’s).

Chassis

The A4 is 5.4 inches shorter than the Altima, making the A4 easier to handle, maneuver and park in tight spaces.

Passenger Space

The A4 has .5 inches more rear headroom and .5 inches more rear legroom than the Altima.

Cargo Capacity

With its sedan body style, valet key, locking rear seatbacks and remote trunk release lockout, the A4 offers cargo security. The Altima’s non-lockable remote release defeats cargo security.

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

To make loading groceries and cargo easier when your hands are full, the A4’s available trunk can be opened just by kicking your foot under the back bumper, leaving your hands completely free. The Altima doesn’t offer a hands-free gesture to open its trunk, forcing you to put cargo down if your hands are full.

Towing

The A4 has a 3968 lbs. towing capacity. The Altima has no towing capacity.

Servicing Ease

The A4 uses gas struts to support the hood for easier service access. The Altima 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 is mounted longitudinally (North-South), instead of sideways, as in the Altima. 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 Nissan. J.D. Power ranks Audi 8th in service department satisfaction (above the industry average). With a 16% lower rating, Nissan is ranked 18th.

Ergonomics

When two different drivers share the A4, the optional 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 Altima doesn’t offer a memory system.

The A4 Prestige has a standard heads-up display that projects speed, warning 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 Altima doesn’t offer a heads-up display.

The A4’s power parking brake sets with one touch and releases with one touch or automatically. The Altima’s parking brake has to be released manually.

The power windows standard on both the A4 and the Altima have locks to prevent small children from operating them. When the lock on the A4 is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The Altima prevents the driver from operating the other windows just as it does the other passengers.

The A4’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 Altima’s passenger windows don’t open or close automatically.

If the windows are left open on the A4 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 Altima can only operate the windows from inside the vehicle, with the ignition on.

The A4 has standard Keyless Engine Start/Stop that allows you to start the engine without removing the key from the pocket or purse. Only the Altima SR/SV/SL offers an Intelligent Key.

The A4’s power window, power lock, power mirror and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The Altima’s power window (except driver window) switches are unlit, making them difficult to find at night and operate safely.

The A4’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 Altima’s intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.

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

The Insurance Institute for Highway Safety (IIHS) conducts detailed tests on headlights for their range both straight ahead and in curves and to be certain they don’t exceed acceptable amounts of glare to oncoming drivers. The A4’s headlights were rated “Good” by the IIHS, while the Altima’s headlights are rated “Acceptable.”

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 Prestige has standard headlight washers to keep headlight output high. The Altima doesn’t offer headlight washers.

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

Manual rear side window sunshades are available in the A4 to help block heat and glare for the rear passengers. The Altima doesn’t offer rear side window sunshades.

The A4’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. Heated mirrors cost extra on the Altima and aren’t offered on the Altima S.

When the A4 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 Altima’s mirror doesn’t automatically adjust for backing.

The A4’s standard rear view mirror and optional side view mirrors have an automatic dimming feature. These mirrors can be set to automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The Altima offers an automatic rear view mirror, but its side mirrors don’t dim.

The A4 has standard heated front seats. Heated front seats cost extra on the Altima, and aren’t available on the Altima S. The A4 Prestige also has standard heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the Altima.

Optional air-conditioned seats in the A4 (except Premium) keep the driver and front passenger comfortable and take the sting out of hot seats in Summer. The Altima doesn’t offer air-conditioned seats.

The A4 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 Altima SL/SR VC-Turbo.

Both the A4 and the Altima offer rear vents. For greater rear passenger comfort, the A4 has standard rear air conditioning vents to keep rear occupants cool in summer or warm in winter. The Altima doesn’t offer rear air conditioning vents, only heat vents.

The A4 Prestige’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 Altima doesn’t offer an automated parking system.

Economic Advantages

The A4 will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the A4 will retain 48.96% to 51.87% of its original price after five years, while the Altima only retains 41.69% to 47.34%.

According to The Car Book by Jack Gillis, the A4 is less expensive to operate than the Altima because typical repairs cost less on the A4 than the Altima, including $101 less for a power steering pump.

Recommendations

Consumer Reports® recommends both the Audi A4 and the Nissan Altima, based on reliability, safety and performance.