Blind Spot Monitor, Lane Departure Warning, Security System, Cross-Traffic Alert, Lane Keeping Assist, Aerial View Display System, Driver Restriction Features, Front Collision Mitigation, Rear Collision Mitigation, Steering Assist Cruise Control, Adaptive Cruise Control…

Technology:

Auxiliary Audio Input, Back-Up Camera, Bluetooth Connection, Navigation System, Premium Sound System, Heads-Up Display, WiFi Hotspot, Automatic Parking, Steering Wheel Audio Controls, Smartphone Integration…

Should I Buy this Vehicle?

CoPilot AI Highlights

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Price Drop

2018 Audi S4 Premium Plus AWD • Montclair, CA
White • 3.0L V6 Engine

$24,685 • 70.3k miles

•••

#2 2015-2023 Audi S4

CoPilot AI: It’s a “B+” Buy

$3 Price Drop
Good Price - $1,467 Below Market
Includes $2,936 Premium Upgrades

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Here’s the S4 you found:

Price Drop

2018 Audi S4 Premium Plus

AWD • Montclair, CA

$24,685 • 70.3k miles

See more about this car

Vehicle Overview

3.0L V6 Engine, Gasoline, All Wheel Drive, 8 speed Automatic

Packages

BLACK OPTIC PACKAGE — MSRP $1,400

NAVIGATION PACKAGE — MSRP $2,600

S SPORT PACKAGE — MSRP $2,500

All Features

Interior:

Leather Seats, Heated Front Seats, Multi-Zone A/C, Rear A/C, Seat Massage…

Exterior:

Sun Roof, Heated Mirrors, Hands-Free Liftgate, Premium Wheels…

Safety:

Blind Spot Monitor, Security System, Cross-Traffic Alert, Front Collision Mitigation, Rear Collision Mitigation…

Technology:

Auxiliary Audio Input, Back-Up Camera, Bluetooth Connection, Navigation System, Premium Sound System, WiFi Hotspot, Steering Wheel Audio Controls, Smartphone Integration…

Should I Buy this Vehicle?

CoPilot AI Highlights

$3 Price Drop
Good Price - $1,467 Below Market
Includes $2,936 Premium Upgrades

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Help me avoid hidden fees at the dealership Show me

Price Drop

2022 Audi S4 Premium Plus AWD • Santa Ana, CA
White • 3.0L V6 Engine

$35,499 • 51k miles

•••

#1 2015-2023 Audi S4

CoPilot AI: It’s a “B+” Buy

$200 Price Drop
Great Price - $2,959 Below Market
Includes $6,422 Premium Upgrades

More details

Here’s the S4 you found:

Price Drop

2022 Audi S4 Premium Plus

AWD • Santa Ana, CA

$35,499 • 51k miles

See more about this car

Vehicle Overview

3.0L V6 Engine, Gasoline, All Wheel Drive, 8 speed Automatic

Packages

NAVIGATION PACKAGE — MSRP $1,500

S SPORT PACKAGE — MSRP $2,500

PREMIUM PLUS PACKAGE — MSRP $3,600

All Features

Interior:

Leather Seats, Heated Front Seats, Multi-Zone A/C, Rear A/C, Heated Steering Wheel, Seat Massage…

Exterior:

Sun Roof, Heated Mirrors, Premium Wheels…

Safety:

Technology:

Auxiliary Audio Input, Back-Up Camera, Bluetooth Connection, Navigation System, Premium Sound System, WiFi Hotspot, Steering Wheel Audio Controls, Smartphone Integration…

Should I Buy this Vehicle?

CoPilot AI Highlights

$200 Price Drop
Great Price - $2,959 Below Market
Includes $6,422 Premium Upgrades

Help Me Buy this Vehicle

Help me avoid hidden fees at the dealership Show me

2019 Audi S4 Premium Plus AWD • Long Beach, CA
Black • 3.0L V6 Engine

$34,500 • 36.6k miles

•••

#4 2015-2023 Audi S4

CoPilot AI: It’s a “D+” Buy

Includes $4,659 Premium Upgrades
Motivation to Negotiate - High
Very Low Mileage

More details

Here’s the S4 you found:

2019 Audi S4 Premium Plus

AWD • Long Beach, CA

$34,500 • 36.6k miles

See more about this car

Vehicle Overview

3.0L V6 Engine, Gasoline, All Wheel Drive, 8 speed Automatic

Packages

BLACK OPTIC PACKAGE — MSRP $1,400

PREMIUM PLUS PACKAGE — MSRP $4,300

All Features

Interior:

Leather Seats, Heated Front Seats, Multi-Zone A/C, Rear A/C, Seat Massage…

Exterior:

Sun Roof, Heated Mirrors, Hands-Free Liftgate, Premium Wheels…

Safety:

Blind Spot Monitor, Security System, Cross-Traffic Alert, Driver Restriction Features, Front Collision Mitigation…

Technology:

Auxiliary Audio Input, Back-Up Camera, Bluetooth Connection, Navigation System, Premium Sound System, WiFi Hotspot, Steering Wheel Audio Controls, Smartphone Integration…

Should I Buy this Vehicle?

CoPilot AI Highlights

Includes $4,659 Premium Upgrades
Motivation to Negotiate - High
Very Low Mileage

Help Me Buy this Vehicle

Help me avoid hidden fees at the dealership Show me

2019 Audi S4 Premium Plus AWD • Norwalk, CA
Black • 3.0L V6 Engine

$19,995 • 106.7k miles

•••

#3 2015-2023 Audi S4

CoPilot AI: It’s a “B+” Buy

Great Price - $1,395 Below Market
Includes $2,192 Premium Upgrades
Dealer Rating - 4.0 stars

More details

Here’s the S4 you found:

2019 Audi S4 Premium Plus

AWD • Norwalk, CA

$19,995 • 106.7k miles

See more about this car

Vehicle Overview

3.0L V6 Engine, Gasoline, All Wheel Drive, 8 speed Automatic

Packages

PREMIUM PLUS PACKAGE — MSRP $4,300

All Features

Interior:

Leather Seats, Heated Front Seats, Multi-Zone A/C, Rear A/C, Seat Massage…

Exterior:

Sun Roof, Heated Mirrors, Hands-Free Liftgate, Premium Wheels…

Safety:

Blind Spot Monitor, Security System, Cross-Traffic Alert, Driver Restriction Features, Front Collision Mitigation…

Technology:

Auxiliary Audio Input, Back-Up Camera, Bluetooth Connection, Navigation System, Premium Sound System, WiFi Hotspot, Steering Wheel Audio Controls, Smartphone Integration…

Should I Buy this Vehicle?

CoPilot AI Highlights

Great Price - $1,395 Below Market
Includes $2,192 Premium Upgrades
Dealer Rating - 4.0 stars

Help Me Buy this Vehicle

Help me avoid hidden fees at the dealership Show me

2020 Audi S4 Premium Plus AWD • Oceanside, CA
Gray • 3.0L V6 Engine

$32,998 • 45.1k miles

•••

Not Ranked

CoPilot AI: It’s a “B+” Buy

Good Price - $1,291 Below Market
Includes $5,873 Premium Upgrades
Very Low Mileage

More details

Here’s the S4 you found:

2020 Audi S4 Premium Plus

AWD • Oceanside, CA

$32,998 • 45.1k miles

See more about this car

Vehicle Overview

3.0L V6 Engine, Gasoline, All Wheel Drive, 8 speed Automatic

Packages

NAVIGATION PACKAGE — MSRP $1,600

DRIVER ASSISTANCE PACK — MSRP $1,500

BLACK OPTIC PACKAGE — MSRP $1,400

S SPORT PACKAGE — MSRP $2,500

PREMIUM PLUS PACKAGE — MSRP $2,500

All Features

Interior:

Leather Seats, Heated Front Seats, Multi-Zone A/C, Rear A/C, Seat Massage…

Exterior:

Sun Roof, Heated Mirrors, Premium Wheels…

Safety:

Blind Spot Monitor, Lane Departure Warning, Security System, Cross-Traffic Alert, Lane Keeping Assist, Driver Restriction Features, Front Collision Mitigation, Rear Collision Mitigation, Steering Assist Cruise Control, Adaptive Cruise Control…

Technology:

Auxiliary Audio Input, Back-Up Camera, Bluetooth Connection, Navigation System, WiFi Hotspot, Steering Wheel Audio Controls, Smartphone Integration…

Should I Buy this Vehicle?

CoPilot AI Highlights

Good Price - $1,291 Below Market
Includes $5,873 Premium Upgrades
Very Low Mileage

Help Me Buy this Vehicle

Help me avoid hidden fees at the dealership Show me

2020 Audi S4 Premium AWD • Duarte, CA
White • 3.0L V6 Engine

$32,998 • 36.7k miles

•••

More details

Here’s the S4 you found:

2020 Audi S4 Premium

AWD • Duarte, CA

$32,998 • 36.7k miles

See more about this car

Vehicle Overview

3.0L V6 Engine, Gasoline, All Wheel Drive, 8 speed Automatic

Packages

CONVENIENCE PACKAGE — MSRP $1,500

All Features

Interior:

Leather Seats, Heated Front Seats, Multi-Zone A/C, Rear A/C, Seat Massage…

Exterior:

Sun Roof, Heated Mirrors, Premium Wheels…

Safety:

Blind Spot Monitor, Security System, Cross-Traffic Alert, Front Collision Mitigation, Rear Collision Mitigation…

Technology:

Auxiliary Audio Input, Back-Up Camera, Bluetooth Connection, Steering Wheel Audio Controls, Smartphone Integration…

Should I Buy this Vehicle?

CoPilot AI Highlights

Help Me Buy this Vehicle

Help me avoid hidden fees at the dealership Show me

Home Audi S4

2025 Audi S4

Compact Luxury Sedan

Seats

Fuel Economy

21City MPG

29Hwy MPG

NHTSA Rating Summary

Dimensions

Last updated 2/15/2026

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#2 2015-2023 Audi S4

CoPilot AI: It’s a “B+” Buy

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#1 2015-2023 Audi S4

CoPilot AI: It’s a “B+” Buy

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#4 2015-2023 Audi S4

CoPilot AI: It’s a “D+” Buy

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#3 2015-2023 Audi S4

CoPilot AI: It’s a “B+” Buy

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Not Ranked

CoPilot AI: It’s a “B+” Buy

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