Audi S5 vs. Audi S8
iSeeCars' unbiased and data-driven comparison of the Audi S5 and Audi S8 contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the Audi S5 and the Audi S8.
When comparing the Audi S5's and the Audi S8's specifications and ratings, the Audi S5 has the advantage in the areas of new vehicle base pricing, fuel efficiency and resale value. The Audi S8 has the advantage in the area of base engine power. Based on this comparison of the Audi S5's and the Audi S8's specifications and ratings, the Audi S5 is a better car than the Audi S8.
Pricing: For a new model, the Audi S5's price is between $70,482 and $81,535, with the Audi S8 priced between $123,518 and $148,882.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Audi S5 loses 52.4 percent of its value and the Audi S8 loses 61.6 percent of its value. This means the Audi S5 retains 9.2 percentage points more of its value and has the advantage of higher resale value versus the Audi S8.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Audi S5’s base engine makes 362 horsepower, and the Audi S8 base engine makes 563 horsepower. The S5 is rated to deliver an average of 22 miles per gallon, with a highway range of 414 miles. The S8 is rated to deliver an average of 18 miles per gallon, with a highway range of 521 miles.This gives the Audi S5 the advantage in fuel efficiency and the Audi S8 the advantage in maximum range. Both models use premium unleaded.
New Car Pricing
Asking Price:
70482 - 81535
Starting MSRP:
62700
Category Avg Starting MSRP:
(Luxury Compact Cars)
49451
Category Starting MSRP Range:
(Luxury Compact Cars)
33000 - 79900
New Car Pricing
Asking Price:
123518 - 148882
Starting MSRP:
125300
Category Avg Starting MSRP:
(Luxury Large Cars)
100643
Category Starting MSRP Range:
(Luxury Large Cars)
72000 - 128600
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
(Luxury Compact Cars)
51959
Category Avg Price Range:
(Luxury Compact Cars)
34107 - 95081
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
(Luxury Large Cars)
108498
Category Avg Price Range:
(Luxury Large Cars)
76075 - 139960
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
5-year Depreciation
Depreciation $:
33140
Depreciation %:
0.52854844
Resale Value $:
29560
Typical Category Depreciation %:
(Luxury Compact Cars)
0.51356376
Category Depreciation Range:
(Luxury Compact Cars)
0.34749831 - 0.55942423
5-year Depreciation
Depreciation $:
Depreciation %:
Resale Value $:
Typical Category Depreciation %:
(Luxury Large Cars)
0.55588193
Category Depreciation Range:
(Luxury Large Cars)
0.47768574 - 0.62908089
Audi S5 Scores & Rankings
Overall Score:
7.5 / 10
Reliability:
7.4 / 10
Retained Value:
7.6 / 10
Safety:
Not available
Audi S8 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
7.0 / 10
Safety:
Not available
iSeeCars Reliability Insights for Audi S5
Avg Life Expectancy (years):
Typical Category Life Expectancy:
(Luxury Compact Cars)
11.0
Category Life Expectancy Range:
(Luxury Compact Cars)
9.5 - 20.1
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for Audi S8
Avg Life Expectancy (years):
Typical Category Life Expectancy:
(Luxury Large Cars)
13.6
Category Life Expectancy Range:
(Luxury Large Cars)
9.1 - 16.1
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.2025373723845814
Typical Category Recalls:
(Luxury Compact Cars)
2.2
Category Range for Recalls:
(Luxury Compact Cars)
1.5 - 10.4
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.0903160420621996
Typical Category Recalls:
(Luxury Large Cars)
2.2
Category Range for Recalls:
(Luxury Large Cars)
1.6 - 11.3
Audi S5 Rankings
Ranking
2 out of / 36Ranking
3 out of / 36Ranking
5 out of / 36Ranking
14 out of / 36Ranking
15 out of / 36Ranking
16 out of / 36Ranking
18 out of / 36Ranking
26 out of / 36Ranking
28 out of / 32Audi S8 Rankings
Ranking
2 out of / 17Ranking
5 out of / 17Ranking
5 out of / 17Ranking
8 out of / 11Ranking
9 out of / 17Ranking
14 out of / 17Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Audi S5 Trim Levels
quattro Premium Plus TFSI, quattro Premium TFSI, quattro Prestige TFSI
Audi S8 Trim Levels
4.0T quattro
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
362 hp
Torque:
406 foot-lbs
Power-to-Weight Ratio (higher is better):
0.084 hp per pound
Base Drivetrain Specs
Horsepower:
563 hp @ 6000 rpm
Torque:
590 foot-lbs @ 2500 rpm
Power-to-Weight Ratio (higher is better):
0.110 hp per pound
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
19 / 28 / 22
Range (city/hwy):
281 / 414 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
4 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
15 / 24 / 18
Range (city/hwy):
326 / 521 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Adaptive Cruise Control:
Standard
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Panoramic Sunroof/Moonroof
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Automatic Parking:
Available
Cooled/Ventilated Seats:
Available
Heated Steering Wheel:
Available
Massage Seats:
Available
Air Suspension:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Standard/Optional Features
Adaptive Cruise Control:
Available
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Panoramic Sunroof/Moonroof
N/A
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Automatic Parking:
Available
Cooled/Ventilated Seats:
Standard
Heated Steering Wheel:
Standard
Massage Seats:
Standard
Air Suspension:
Standard
Captain's seat:
N/A
Front Bench Seats:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
Rear Seat Reminder:
Standard
360-Degree Camera:
Available
Safety Features
Backup camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
Standard
360-Degree Camera:
Standard
Interior Dimensions
Front Head Room:
40 inches
Front Leg Room:
41 inches
Front Shoulder Room:
57.3 inches
Rear Head Room:
37.2 inches
Rear Leg Room:
36.1 inches
Rear Shoulder Room:
55.1 inches
Cargo Space:
22.6 cubic feet
Overall Interior Volume:
Not yet available
Interior Dimensions
Front Head Room:
38.3 inches
Front Leg Room:
41.5 inches
Front Shoulder Room:
59.1 inches
Rear Head Room:
38.5 inches
Rear Leg Room:
44.3 inches
Rear Shoulder Room:
57.6 inches
Cargo Space:
12.5 cubic feet
Overall Interior Volume:
111.0 cubic feet
Exterior Dimensions
Curb Weight:
4288 lbs
Width:
82.6 inches
Height:
56.5 inches
Length:
190.3 inches
Wheelbase:
114 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
5126 lbs
Width:
83.8 inches
Height:
58.5 inches
Length:
209.5 inches
Wheelbase:
123.2 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.0 inches
Wheel Type:
painted aluminum alloy
Tire Size:
245/40R19XL
Standard Wheel/Tire Information
Wheel Size:
21.0 x 9.0 inches
Wheel Type:
aluminum alloy
Tire Size:
265/35R21XL
Exterior Colors
Black
Mythos Black Metallic
Blue
Ascari Blue Metallic / Firmament Blue Metallic
Gray
Daytona Gray Pearl Effect
Red
Grenadine Red Metallic
White
Arkona White / Glacier White Metallic
Brown
Not available
Silver
Not available
Exterior Colors
Black
Mythos Black Metallic
Blue
Firmament Blue Metallic / Sebring Black Crystal Effect / Ultra Blue Metallic
Gray
Daytona Gray Pearl Effect
Red
Not available
White
Glacier White Metallic
Brown
Madeira Brown Metallic
Silver
Florett Silver Metallic
Interior Colors
Black
Black w/ Gray Stitching
Brown
Not available
Red
Not available
Interior Colors
Black
Black
Brown
Cognac Brown
Red
Merlot Red
