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2021 Audi

SQ8

Auto (S8), 8 cyl, 4.0 L, Turbo

Audi SQ8: best and worst years
2021 Audi SQ8 (photo 1 of 3)
PhotoAlexander-93CC BY-SA 4.0Wikimedia Commons

Overview

Body
Standard Sport Utility Vehicle 4WDEPA, from EPA, last updated 6/11/2026
Drivetrain
All-Wheel DriveEPA, from EPA, last updated 6/11/2026
Transmission
Automatic (S8)EPA, from EPA, last updated 6/11/2026
Powertrain
GasEPA, from EPA, last updated 6/11/2026
Fuel
PremiumEPA, from EPA, last updated 6/11/2026

Engine & performance

HP
500
Power to weight
0.093 hp/lb
Axle ratio
3.20
Cyl
8EPA, from EPA, last updated 6/11/2026
Aspiration
TurbochargedEPA, from EPA, last updated 6/11/2026
Start-stop system
YesEPA, from EPA, last updated 6/11/2026

Efficiency

MPG Hwy
21 mpgEPA, from EPA, last updated 6/11/2026
MPG City
15 mpgEPA, from EPA, last updated 6/11/2026
MPG Comb
17 mpgEPA, from EPA, last updated 6/11/2026
Fuel $/yr
$4,550EPA, from EPA, last updated 6/11/2026
CO₂
522 g/miEPA, from EPA, last updated 6/11/2026
Eco Score
3/10EPA, from EPA, last updated 6/11/2026
Smog score
3/10
Elec. Range
0 miEPA, from EPA, last updated 6/11/2026
Real-world MPG
13 mpg, reported by 1 driverabout 4 mpg below the EPA combined estimate
SmartWay certified
No

Dimensions & capacity

Length
197 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Width
79 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Height
67 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Wheelbase
118 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Curb Weight
5,379 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026

Safety NHTSA, model year

Rollover rating
★★★★
Stability control (ESC)
Standard
Forward-collision warning
Standard
Lane-departure warning
Standard
Recalls
6
Owner complaints
3

Feature availability

Which features come standard, cost extra, or are locked to a pricier trim arrives with the next data phase. Standard equipment shows here today.

Standard

Reported problems NHTSA owner complaints, model year

  • POWER TRAIN50%
  • ELECTRICAL SYSTEM25%
  • SUSPENSION25%

Source: NHTSA owner complaints, 4 total.

Audi SQ8: best and worst years

Warranty manufacturer terms, by make

Basic
4 yr / 50k mi
Powertrain
4 yr / 50k mi
Roadside assistance
4 yr
Maintenance
3 yr / 30k mi
EV battery
8 yr / 100k mi

Information is gathered on a best-effort basis from public sources, may be incomplete or out of date, and is not purchasing or financial advice. Verify with the manufacturer or dealer before buying.