Compare the2024 Nissan AltimaVS 2024 Audi A4

Safety
Warranty
Reliability
Fuel Economy and Range
Environmental Friendliness
Transmission
Brakes and Stopping
Tires and Wheels
Suspension and Handling
Chassis
Passenger Space
Cargo Capacity
Ergonomics
Model Availability
Economic Advantages
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 Altima are reminded to check the back seat if they opened the rear door before starting out. The A4 doesn’t offer a back seat reminder.

Over 200 people are killed each year when backed over by motor vehicles. The Altima has standard Rear Automatic Braking that use rear sensors to monitor for objects to the rear and automatically apply the brakes to prevent a collision. The A4 doesn’t offer automatic braking for stationary objects directly to the rear.

The Altima has a standard blind spot warning system that uses sensors to alert the driver to objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. A system to reveal vehicles in the A4’s blind spot costs extra.

To help make backing out of a parking space safer, the Altima has standard Rear Cross Traffic Alert, helping the driver avoid collisions. Audi charges extra for Rear Cross-Traffic Assist on the A4.

The Altima’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The A4 doesn’t offer a driver alert monitor.

Both the Altima and the A4 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 and available 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 Nissan Altima is safer than the Audi A4:

	Altima	A4
	Driver
STARS	5 Stars	4 Stars
Leg Forces (l/r)	114/342 lbs.	431/395 lbs.
	Passenger
STARS	4 Stars	4 Stars
Chest Compression	.5 inches	1 inches
Leg Forces (l/r)	260/280 lbs.	324/341 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 Nissan Altima is safer than the Audi A4:

	Altima	A4
	Rear Seat
STARS	5 Stars	5 Stars
HIC	185	277
Spine Acceleration	46 G’s	56 G’s
Hip Force	544 lbs.	777 lbs.
	Into Pole
STARS	5 Stars	5 Stars
HIC	157	333
Spine Acceleration	42 G’s	47 G’s

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

For its top level performance in IIHS driver and passenger-side small overlap frontal, moderate overlap frontal, side impact, roof strength and head restraint tests, its standard vehicle-to-vehicle front crash prevention system, with its optional vehicle-to-pedestrian front crash prevention system, and its standard headlight’s “Acceptable” rating, the Insurance Institute for Highway Safety grants the Altima its highest rating: “Top Safety Pick Plus” for 2022, a rating granted to only 128 vehicles tested by the IIHS. The A4 is only a standard “Top Safety Pick” for 2022.

Warranty

Nissan’s powertrain warranty covers the Altima 1 year and 10,000 miles longer than Audi covers the A4. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 5 years or 60,000 miles. Coverage on the A4 ends after only 4 years or 50,000 miles.

There are almost 4 times as many Nissan dealers as there are Audi dealers, which makes it much easier should you ever need service under the Altima’s warranty.

Reliability

To reliably start during all conditions and help handle large electrical loads, the Altima has a standard 510-amp battery. The A4’s 420-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 Altima’s reliability 21 points higher than the A4.

J.D. Power and Associates’ 2023 Initial Quality Study of new car owners surveyed provide the statistics that show that Nissan vehicles are better in initial quality than Audi vehicles. J.D. Power ranks Nissan above average in initial quality. With 41 more problems per 100 vehicles, Audi is rated below average.

J.D. Power and Associates’ 2022 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Nissan vehicles are more reliable than Audi With 27 fewer problems per 100 vehicles in the first three years of ownership, J.D. Power ranks Nissan higher than Audi.

Fuel Economy and Range

On the EPA test cycle the Altima gets better mileage than the A4:

			MPG
Altima
	FWD	S/SV 2.5 DOHC 4-cyl.	27 city/39 hwy
		SL/SR 2.5 DOHC 4-cyl.	27 city/37 hwy
		2.0 turbo 4-cyl.	25 city/34 hwy
	AWD	2.5 DOHC 4-cyl.	26 city/36 hwy
A4
	AWD	40 TFSI 2.0 turbo 4-cyl. Hybrid	26 city/35 hwy
		45 TFSI 2.0 turbo 4-cyl. Hybrid	24 city/32 hwy

The Altima FWD’s standard fuel tank has almost a gallon more fuel capacity than the A4 (16.2 vs. 15.3 gallons).

Environmental Friendliness

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Nissan Altima higher (6 to 7 out of 10) than the Audi A4 (5). This means the Altima produces up to 8 pounds less smog-producing pollutants than the A4 every 15,000 miles.

The EPA certifies the Nissan Altima at emission levels ranging from “Ultra Low Emissions Vehicle” (ULEV) to “Super Ultra Low Emissions Vehicle” (SULEV). The Audi A4 is only certified to “Ultra Low Emissions Vehicle” (ULEV) standards.

Transmission

The Altima has a standard continuously variable transmission (CVT). With no “steps” between gears, it can keep the engine at the most efficient speed for fuel economy, or keep it at its peak horsepower indefinitely for maximum acceleration. The A4 doesn’t offer a CVT.

Brakes and Stopping

The Altima stops shorter than the A4:

	Altima	A4
60 to 0 MPH	115 feet	120 feet	Motor Trend
60 to 0 MPH (Wet)	140 feet	145 feet	Consumer Reports

Tires and Wheels

The Altima 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 A4 doesn’t offer vehicle monitored tire inflation.

Suspension and Handling

For better handling and stability, the average track (width between the wheels) on the Altima is 1.3 inches wider in the front and 2 inches wider in the rear than the track on the A4.

The Altima SR handles at .90 G’s, while the A4 Premium pulls only .85 G’s of cornering force in a Motor Trend skidpad test.

The Altima executes Motor Trend’s “Figure Eight” maneuver quicker than the A4 Premium (26.3 seconds @ .68 average G’s vs. 27.2 seconds @ .64 average G’s).

For better maneuverability, the Altima S’ turning circle is 2 feet tighter than the A4’s (36.1 feet vs. 38.1 feet). The Altima SR/SV/SL/Platinum’s turning circle is .7 feet tighter than the A4’s (37.4 feet vs. 38.1 feet).

Chassis

The design of the Nissan Altima amounts to more than styling. The Altima has an aerodynamic coefficient of drag of .26 Cd. That is significantly lower than the A4 (.3) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the Altima get better fuel mileage.

The front grille of the Altima uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The A4 doesn’t offer active grille shutters.

The Altima SR VC-Turbo uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The A4 doesn’t offer active noise cancellation.

Passenger Space

Because it has more passenger and cargo room, the EPA rates the Altima a Mid-size car, while the A4 is rated a Compact.

The Altima has 8.6 cubic feet more passenger volume than the A4 (100.6 vs. 92).

The Altima has 1.8 inches more front headroom, 2.5 inches more front legroom, 2.3 inches more front shoulder room and 2.6 inches more rear shoulder room than the A4.

Cargo Capacity

The Altima has a much larger trunk than the A4 (15.4 vs. 12 cubic feet).

Ergonomics

Consumer Reports rated the Altima’s headlight performance “Good,” a higher rating than the A4’s headlights, which were rated “Poor.”

Model Availability

The Altima is available in both front-wheel drive and all-wheel drive configurations. The A4 doesn’t offer a two-wheel drive configuration.

Economic Advantages

Insurance will cost less for the Altima owner. The Car Book by Jack Gillis rates the Altima with a number “1” insurance rate while the A4 is rated higher at a number “5” rate.

According to The Car Book by Jack Gillis, the Altima is less expensive to operate than the A4 because it costs $18 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost much less on the Altima than the A4, including $460 less for a water pump, $272 less for a muffler, $40 less for front brake pads, $516 less for a starter, $26 less for fuel injection, $195 less for a fuel pump, $584 less for front struts and $76 less for a timing belt/chain.

Recommendations

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

The Nissan Altima outsold the Audi A4/S4 by over 9 to one during 2022.