Audi S4 vs BMW M3 Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2021 Audi S4 3.0T quattro Premium AWD

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2018 BMW M3 CS Sedan RWD
Photo of 2017 model year shown

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Used Car Pricing Used listing price comparison and analysis.

2021 Audi S4
3.0T quattro Premium AWD
CarGurus Instant Market Value
$53,830

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2018 BMW M3
CS Sedan RWD
CarGurus Instant Market Value
$59,109
163 listings nationwide
3 GREAT deals
14 GOOD deals

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Expert Reviews Reviews from CarGurus experts.

2021 Audi S4
3.0T quattro Premium AWD
Cherise Threewitt Preview:

The Audi S4, the performance version of the A4 sedan, is part of a generation that dates back to 2018. Last year, the S4 received styling and tech updates, and this year, it carries ov...

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2018 BMW M3
CS Sedan RWD
Andrew Newton Preview:

In the world of German performance cars, the BMW M3 is one of the most prestigious names of all time. The latest version is very different from the original. The latest M3 is a luxuri...

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User Reviews Reviews from CarGurus users who have driven or owned the car.

2021 Audi S4
3.0T quattro Premium AWD
No User Reviews
2018 BMW M3
CS Sedan RWD
5
Mariah writes:
The only difference is RWD vs AWD.
Looks/Style Ranked 2018 Mercedes-Benz CLA-Class worse.
"Sporty, Classic and Luxury "
Would Buy Ranked 2018 Mercedes-Benz CLA-Class worse.
"Executive package including 6-cylinder power, revamped design and perfectly acceptable entry-level luxury car in both everyday driving and performance. "
Full review »
Adam writes:
Serious Performance for a sedan Can drive a family of more than 3
Power Ranked 2018 Porsche 911 Carrera GTS Coupe RWD better.
"Little Lighter/25 more hp to crank "
Handling Ranked 2018 Porsche 911 Carrera GTS Coupe RWD better.
"Because it does...it’s a coupe not a sedan "
Full review »
10
Jcogan writes:
The Shelby hands-down is a better drivers car. Hard to believe I’m saying this but after driving both I could...
Back Seats Ranked 2018 Ford Mustang Shelby GT350 Fastback RWD worse.
"Of course being a four-door sedan the M3’s rear seats are much more accessible and usable."
Family Car Ranked 2018 Ford Mustang Shelby GT350 Fastback RWD worse.
"Of course being a four-door sedan the M3’s rear seats are much more accessible and usable."
Full review »
Read all 3 user reviews »

Specs

2021 Audi S4
3.0T quattro Premium AWD
2018 BMW M3
CS Sedan RWD
Powertrain 8-Speed Automatic 7-Speed Dual Clutch
Drivetrain
AWD
RWD
Fuel Economy, City
20 MPG
16 MPG
Fuel Economy, Highway
28 MPG
22 MPG
Fuel Tank Volume 15.3 gal 15.8 gal
Engine
Fuel Type
Gasoline
Gasoline
Power
349 hp @ 5,400 RPM
454 hp @ 6,250 RPM
Torque
369 lb-ft @ 1,370 RPM
442 lb-ft @ 4,000 RPM
Cylinders
6 cylinders
6 cylinders
Compression Ratio
11.2:1
10.2:1
Displacement
3,000 cc
3,000 cc
Bore x Stroke
3.33 in x 3.5 in
3.31 in x 3.53 in
Safety
ABS Brakes Standard Standard
Driver Airbag Standard Standard
Passenger Airbag Standard Standard
Front Side Airbags Standard Standard
Curtain Airbags Standard Standard
NHTSA Crash Test Results
Comfort and Convenience
Sunroof/Moonroof Standard --
Leather Seats Standard Standard
Air Conditioning Standard Standard
CD Player Standard Standard
Radio Standard Standard
Power Windows Standard Standard
Power Door Locks Standard Standard
Driver Power Seats Standard Standard
Passenger Power Seats Standard Standard
Interior
Maximum Seating 5 seats 5 seats
Front Legroom 41.3 in 42 in
Back Legroom 35.7 in 35.1 in
Payload and Towing
Cargo Volume 12 cu ft 12 cu ft
Maximum Payload 1,058 lbs --
Exterior
Length 187.5 in 184.5 in
Width 79.6 in 80.2 in
Height 56.2 in 56.1 in
Wheelbase 111 in 110.7 in

Available Options

2021 Audi S4
3.0T quattro Premium AWD

Exterior Colors

  • Daytona Gray Pearl Effect
  • Glacier White Metallic
  • Ibis White
  • Mythos Black Metallic
  • NAVARRA Blue Metallic
  • Quantum Gray
  • Tango Red Metallic
  • Turbo Blue

Option Packages

  • Carbon Fiber Package W/Side Assist
  • Carbon Fiber Trunk Lid Spoiler
  • Convenience Package
  • Sport Exhaust Resonator
  • Wheels: 19" 5-Arm-TORSIO Design
2018 BMW M3
CS Sedan RWD

Exterior Colors

  • Alpine White
  • Black Sapphire Metallic
  • Frozen Dark Blue II
  • Lime Rock Grey
  • San Marino Blue Metallic

Option Packages

  • Executive Package
  • M Carbon Ceramic Brake

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