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2021 Cadillac

XT4 FWD

Auto (S9), 4 cyl, 2.0 L, Turbo

Cadillac XT4: best and worst years
2021 Cadillac XT4 FWD (photo 1 of 2)

Photo may show a different model year; you're viewing the 2021.

PhotoQuzhouliulianCC BY-SA 4.0Wikimedia Commons

Overview

Body
Small Sport Utility Vehicle 2WDEPA, from EPA, last updated 6/22/2026
Drivetrain
Front-Wheel DriveEPA, from EPA, last updated 6/22/2026
Transmission
Automatic (S9)EPA, from EPA, last updated 6/22/2026
Powertrain
GasEPA, from EPA, last updated 6/22/2026
Fuel
PremiumEPA, from EPA, last updated 6/22/2026

Engine & performance

HP
237
Power to weight
0.065 hp/lb
Axle ratio
3.47
Cyl
4EPA, from EPA, last updated 6/22/2026
Aspiration
TurbochargedEPA, from EPA, last updated 6/22/2026
Start-stop system
YesEPA, from EPA, last updated 6/22/2026

Efficiency

MPG Hwy
30 mpgEPA, from EPA, last updated 6/22/2026
MPG City
24 mpgEPA, from EPA, last updated 6/22/2026
MPG Comb
26 mpgEPA, from EPA, last updated 6/22/2026
Fuel $/yr
$2,950EPA, from EPA, last updated 6/22/2026
CO₂
336 g/miEPA, from EPA, last updated 6/22/2026
Eco Score
5/10EPA, from EPA, last updated 6/22/2026
Smog score
7/10
Elec. Range
0 miEPA, from EPA, last updated 6/22/2026
SmartWay certified
No

Dimensions & capacity

Length
181 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Width
77 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Height
64 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Wheelbase
109 inNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Curb Weight
3,660 lbNHTSA vPIC, from NHTSA vPIC, last updated 6/4/2026
Pass. Vol
101 ft³EPA, from EPA, last updated 6/22/2026
Cargo Vol
22 ft³EPA, from EPA, last updated 6/22/2026

Safety NHTSA, model year

Recalls
1
Owner complaints
11

Reported problems NHTSA owner complaints, model year

  • FUEL/PROPULSION SYSTEM27%
  • ELECTRICAL SYSTEM20%
  • AIR BAGS7%
  • BACK OVER PREVENTION7%
  • ENGINE7%
  • ENGINE AND ENGINE COOLING7%

Source: NHTSA owner complaints, 15 total.

Cadillac XT4: best and worst years

Federal investigations NHTSA defect investigations, model year

  • PE21010opened Apr 9, 2021AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT

    Air Bag Malfunction

Known issues manufacturer service bulletins, model year

487 service bulletins filed with NHTSA for this model year

  • May 11, 2026UNKNOWN OR OTHERPIC6551B

    This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

  • May 11, 2026UNKNOWN OR OTHERPIC6423A

    Pi created to provide GM dealers with information on gathering information for projection issue

  • Apr 1, 2026UNKNOWN OR OTHERPIT3271Q

    This preliminary information communicates information about how to determine if a wheel and tires size change is available.

  • Mar 27, 2026UNKNOWN OR OTHERPIT5992B

    This preliminary information discusses a condition that may arise from the drivers window switch sending an errant message causing the vehicle to enter manual fob learn mode.

  • Mar 21, 2026UNKNOWN OR OTHERN25-250552

    Improvements to OnStar functionality.

  • Mar 9, 2026UNKNOWN OR OTHERPIP6104

    This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.

  • Mar 9, 2026UNKNOWN OR OTHERPIP4902V

    This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

  • Mar 2, 2026UNKNOWN OR OTHERPIT6425D

    This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss

  • and 479 more

Source: NHTSA manufacturer communications (technical service bulletins).

Warranty manufacturer terms, by make

Basic
4 yr / 50k mi
Powertrain
6 yr / 70k mi
Roadside assistance
6 yr / 70k mi
Maintenance
1 yr / 12k 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.