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Cadillac CT4 VIN Number Check

Enter a Cadillac CT4 VIN for a free NHTSA vPIC decode: build details and the NHTSA recalls for its model year. Owner reports follow below.

VIN prefix1G6

Free decode plus the NHTSA recalls for its model year. 17 characters, no I, O or Q.

Vinny, the VinNumber key mascot
Cadillac CT4

About the Cadillac CT4

Cadillac has sold the CT4 in the US since the 2020 model year. Across those years NHTSA lists 5 vehicle recall campaigns and 34 owner complaints. EPA rates it at 18–27 mpg combined. A free VIN decode gives you NHTSA vPIC’s record for the car (model year, engine, plant) and the NHTSA recalls for its model year. It won’t show theft, flood or lemon-law history.

US model years2020–2026
EPA classCompact Cars
NHTSA recall campaigns5
Owner complaints34 at NHTSA
Cadillac CT4 photographed at a US vehicle auction
Auction lot photo, for illustration
Generations

Cadillac CT4 at a glance

One generation in the data, 2020–2026: 5 NHTSA recall campaigns and 34 owner complaints.

1 / 1
CT4
2020–2026Compact Cars
Cadillac CT4 (2020–2026)

Photo: Mr.choppers, CC BY-SA 3.0, via Wikimedia Commons

20202025
2020–2026

Cadillac CT4

PlatformGM Alpha 2
EPA combined mpg18–27
NHTSA recalls5

Engines (EPA)

  • 2.0 L 4-cyl (turbo) · 2020–2026
  • 2.7 L 4-cyl (turbo) · 2020–2026
  • 3.6 L 6-cyl (turbo) · 2022–2026

Drive & transmission (EPA)

  • AWD/4WD, RWD
  • automatic (2020–2026), manual (2022–2026)

Known issues to check

Engine and cooling (11)Brakes (7)Powertrain (transmission, driveline) (6)

Mentions in 34 NHTSA complaints.

Sample VIN pattern · CT41G6DL5RP?P0······NHTSA vPIC decodes it as a 2023 Cadillac CT4 V-Blackwing, built in Lansing - Grand River, Michigan
Check a CT4 VIN

Sources: Wikipedia · EPA · NHTSA · vPIC

NHTSA campaign data

Which CT4 model years each recall covers

NHTSA data

NHTSA has 5 campaigns on file for CT4 model years 2020–2026, and the 2020 and 2021 show up in the most (4 each). Move the line to your model year to see which apply.

2021
Air bag inflator, fire risk or do-not-drive/park-outside advisorySafety recallCanada only
Pick a row
What to ask

Source: NHTSA recall database, vehicle campaigns only; row text is NHTSA’s summary. A listed year does not mean every car is covered, so check the VIN.

Canada rows: Transport Canada recalls database. Transport Canada recalls that match an NHTSA campaign are folded into that row by VinNumber.net; rows with the Canadian flag have no NHTSA match. Contains information licensed under the Open Government Licence – Canada · Transport Canada.

Owner reports · NHTSA complaints

What Cadillac CT4 owners report

NHTSA data

Between them, the 2020 and 2021 hold 15 of the 34 complaints, or 44%. Tap any bar or generation.

34NHTSA complaints, 2020–2026
2mention a crash
0mention a fire
1injuries reported
Owner complaints by model yearCT4: 34 complaints · most for the 2020 (8)

Top complaint areas · CT4

Mentions in 34 complaints, 2020–2026.

Engine and cooling11
Brakes7
Powertrain (transmission, driveline)6
Steering6
Electrical system6
Forward collision avoidance6
Crashes 2Fires 0Injuries 1

2020–2026

NHTSA data summary

The 2020 is the outlier. On its own it has 8 of the ’s 34 complaints (24%), more than any other CT4 model year, and owners across the generation name engine and cooling most often (11 mentions), then brakes (7).

Counts: NHTSA complaints file, records to October 1, 2026, one count per complaint; areas are NHTSA component groups.

Owner complaints · by model year

CT4 complaint breakdown by model year

NHTSA data

Every CT4 version is counted together. Tap a year to see its top systems.

34complaints, 2020–2026
2mention a crash
0mention a fire
1injuries reported
Most complaints: 2020 (8), 2021 (7), 2024 (7)
8’207’217’24’25

2020 · 8 complaints

Crashes 0 · fires 0 · injuries 0

Engine3
Power train2
Service brakes2
Air bags1
Fuel/propulsion system1

Systems as NHTSA names them; a complaint can list several. Source: NHTSA complaints data, records to October 1, 2026.

EPA fuel economy & emissions

CT4 CO₂, smog rating and yearly fuel cost

EPA data

EPA lists 52 CT4 versions for model years 2020–2026. The lowest tailpipe CO₂ is 327 g/mi (2021). Pick a model year and powertrain to see each version.

CT42020–2026

18–27 mpg · CO₂ 327–493 g/mi

2025
26combined MPG
345CO₂ grams per mile (tailpipe)
$3,150EPA yearly fuel cost
6/10Smog rating
1 = worst · 10 = cleanest
5/10Greenhouse gas rating
California LEV-III SULEV30 · Federal Tier 3 Bin 30Emission standard
Cleanest gas version of 2025: CT4 · Auto (S8), 4 cyl, 2.0 L, Turbo — 26 MPG · 345 g/mi
Best (lowest) CO₂ by model year
250300350400450202020252020 · Gas: 3272021 · Gas: 3272022 · Gas: 3312023 · Gas: 3312024 · Gas: 3452025 · Gas: 3452026 · Gas: 345
Gas

Annual fuel cost is EPA’s estimate at its current fuel-price assumptions (15,000 miles a year, 55% city driving), so older years are priced at today’s fuel prices. Smog rating and emission standard can differ by sales area (federal vs. California); both are shown. Source: fueleconomy.gov.

Compare rivals

CT4 vs BMW 3 Series vs Mercedes-Benz C-Class

NHTSA + EPA data

Take 2020–2026. NHTSA lists 5 recall campaigns for the CT4, while the BMW 3 Series and Mercedes-Benz C-Class have 27 each. Pick a range to compare.

Cadillac CT4

Model years 2020–2026

NHTSA recall campaigns
5
NHTSA owner complaints
34
EPA combined mpg
18–27
Engines (EPA)
4-cyl 2.0, 2.7 L · 6-cyl 3.6 L
Also listed
turbo
Drive (EPA)
AWD/4WD, RWD

Most-reported complaint areas (NHTSA)

  1. Engine and cooling 11
  2. Brakes 7
  3. Powertrain (transmission, driveline) 6

BMW 3 Series

Model years 2020–2026

NHTSA recall campaigns
27
NHTSA owner complaints
194
EPA combined mpg
25–31
Engines (EPA)
4-cyl 2.0, 3.0 L · 6-cyl 3.0 L
Also listed
turbo, mild hybrid, plug-in hybrid
Drive (EPA)
AWD/4WD, RWD

Most-reported complaint areas (NHTSA)

  1. Engine and cooling 86
  2. Electrical system 54
  3. Powertrain (transmission, driveline) 12

Mercedes-Benz C-Class

Model years 2020–2026

NHTSA recall campaigns
27
NHTSA owner complaints
138
EPA combined mpg
19–30
Engines (EPA)
4-cyl 2.0 L · 6-cyl 3.0 L · 8-cyl 4.0 L
Also listed
turbo, mild hybrid, plug-in hybrid
Drive (EPA)
AWD/4WD, RWD

Most-reported complaint areas (NHTSA)

  1. Forward collision avoidance 27
  2. Engine and cooling 26
  3. Electrical system 25

NHTSA recalls (vehicle campaigns for all powertrain versions; equipment and tire campaigns left out), complaints (not sales-adjusted) and 5-Star overall ratings for the latest year rated for all three; EPA mpg, engines and drive. Rivals: same EPA class, picked by VinNumber.net.

Cadillac CT4 VIN number location

Where to find the VIN on a CT4

Tap a spot. Every location should show the same 17 characters.

White Cadillac CT4 (first generation) sedan, front three-quarter view, with the VIN locations marked

Photo: Hans Haase, CC BY-SA 3.0, cropped

Illustration: VinNumber.net

Photo: Mr.choppers, CC BY-SA 3.0; edited and VIN pins added by VinNumber.net

Locate the CT4's VIN at the lower driver's side windshield. Door jamb sticker and trunk lid label near the latch are standard secondary locations. Engine bay stamp is also present.

  1. Windshield plateRead it through the glass at the base of the driver's side windshield.
    Source: 49 CFR 565.13(f) (NHTSA): VIN inside the passenger compartment, readable through the glazing next to the left windshield pillar
  2. Door jamb labelOpen the driver's door: the certification label on the B-pillar lists the VIN.
    Source: 49 CFR 567.4 (NHTSA): certification label with VIN at the driver door hinge pillar, latch post or door edge
The title, registration and insurance card show the VIN as well. All locations should match.
FAQ

Common Cadillac CT4 VIN questions

How many recalls has the Cadillac CT4 had?

NHTSA’s recall records show 5 vehicle campaigns for model years 2020–2026, leaving out equipment and tire campaigns.

What fuel economy does the Cadillac CT4 get?

It varies. EPA rates the 2020–2026 CT4 at 18–27 mpg combined, depending on engine and drive (fueleconomy.gov).

How does the Cadillac CT4 compare with the BMW 3 Series and Mercedes-Benz C-Class on recalls?

For 2020–2026 models the CT4 has 5 NHTSA recall campaigns. The BMW 3 Series has 27, the Mercedes-Benz C-Class 27. Complaints run 34, 194 and 138 in that order, with no sales adjustment.

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