2019 Lexus LC Series vs. 2019 Audi S5

Detailed Review, Specifications & Comparison

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Both the LC Series and the S5 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, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, post-collision automatic braking systems, daytime running lights, rearview cameras, available blind spot warning systems, rear parking sensors and rear cross-path warning.


Lexus’ powertrain warranty covers the LC Series 2 years and 20,000 miles longer than Audi covers the S5. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the S5 ends after only 4 years or 50,000 miles.


J.D. Power and Associates’ 2018 Initial Quality Study of new car owners surveyed provide the statistics that show that Lexus vehicles are better in initial quality than Audi vehicles. J.D. Power ranks Lexus 8th in initial quality, above the industry average. With 21 more problems per 100 vehicles, Audi is ranked 25th, below the industry average.

J.D. Power and Associates’ 2018 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Lexus vehicles are more reliable than Audi vehicles. J.D. Power ranks Lexus first in reliability, above the industry average. With 42 more problems per 100 vehicles, Audi is ranked 13th.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Lexus vehicles are more reliable than Audi vehicles. Consumer Reports ranks Lexus first in reliability. Audi is ranked 7th.


The LC 500h’s standard 3.5 DOHC V6 hybrid produces 5 more horsepower (354 vs. 349) than the S5’s 3.0 turbo V6. The LC 500’s standard 5.0 DOHC V8 produces 122 more horsepower (471 vs. 349) and 29 lbs.-ft. more torque (398 vs. 369) than the S5’s 3.0 turbo V6.

Fuel Economy and Range

On the EPA test cycle the LC 500h gets better fuel mileage than the S5 (26 city/35 hwy vs. 21 city/30 hwy).

The LC Series’ standard fuel tank has 6.4 gallons more fuel capacity than the S5 (21.7 vs. 15.3 gallons), for longer range between fill-ups. The LC Series Hybrid’s standard fuel tank has 6.9 gallons more fuel capacity than the S5 (22.2 vs. 15.3 gallons).


A 10-speed automatic is standard on the Lexus LC Series, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the S5.

The LC 500h 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 S5 doesn’t offer a CVT.

Brakes and Stopping

For better stopping power the LC Series’ brake rotors are larger than those on the S5:


LC Series


Front Rotors

15.7 inches

13.8 inches

Rear Rotors

14.1 inches

13 inches

Tires and Wheels

For better traction and acceleration, the LC Series has larger rear tires than the S5 (275/40R20 vs. 245/40R18). The LC Series’ rear tires are larger than the largest rear tires available on the S5 (275/40R20 vs. 265/30R20).

For better ride, handling and brake cooling the LC Series has standard 20-inch wheels. Smaller 18-inch wheels are standard on the S5. The LC Series’ optional 21-inch wheels are larger than the 20-inch wheels optional on the S5.

Suspension and Handling

For a smoother ride and more stable handling, the LC Series’ wheelbase is 4.2 inches longer than on the S5 Coupe (113 inches vs. 108.8 inches).

For better handling and stability, the track (width between the wheels) on the LC Series is 1.7 inches wider in the front and 2.7 inches wider in the rear than on the S5.

The LC Series’ front to rear weight distribution is more even (51.8% to 48.2%) than the S5’s (56.7% to 43.3%). This gives the LC Series more stable handling and braking.

For better maneuverability, the LC Series’ turning circle is 2.3 feet tighter than the S5’s (35.4 feet vs. 37.7 feet).

Passenger Space

The LC Series has 1.9 cubic feet more passenger volume than the S5 Coupe (85.9 vs. 84).

The LC Series has .7 inches more front legroom and 1.2 inches more front shoulder room than the S5 Coupe.


The LC Series has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The S5 doesn’t offer a remote starting system.

The LC Series’ standard easy entry system raises the steering wheel, making it easier for the driver to get in and out. The S5 doesn’t offer an easy entry system.

The LC Series’ standard power windows have a locking feature to keep children from operating them. Audi does not offer a locking feature on the S5’s standard power windows.


The LC Series was chosen as one of Automobile Magazine’s “All Stars” in 2018. The S5 has never been an “All Star.”

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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