How common are engine complaints for the 2025 Kia Carnival Hybrid?

NHTSA lists 35 Engine complaints out of 63 total complaints filed for the 2025 Carnival Hybrid, or 56% of all complaints for the year.

What is the main engine problem owners report?

Owners describe the vehicle being unable to accelerate past about 31 mph, with RPMs rising but speed staying flat, most often in cold weather after the car has been sitting.

Is there a recall for this issue?

No related recalls are listed in the data for this problem area on the 2025 Kia Carnival Hybrid.

At what mileage do these engine problems tend to occur?

The median mileage at failure reported to NHTSA is 3,000 miles.

Have these engine issues caused any crashes or injuries?

NHTSA data shows 0 crashes, 0 fires, and 0 injuries tied to these complaints.

2025 Kia Carnival Hybrid Engine Problems

NHTSA lists 35 Engine complaints for the 2025 Kia Carnival Hybrid, 56% of its 63 total complaints for the year. Owners describe a speed limitation to about 31 mph, mostly in cold weather, with a median mileage at failure of 3,000. No related recall is listed.

Engine complaints: 35; 56% of 63
Crashes reported: 0
Fires reported: 0
Injuries reported: 0
Median mileage: 3,000 mi
Related recalls: 0

Typical engine symptoms owners report

Vehicle refuses to accelerate past about 31 mph even with the gas pedal fully pressed, while RPMs climb without a matching speed increase.
Owners report the issue appearing after the car sits overnight or for a long period in cold temperatures, often below 20°F.
Turning the vehicle off and restarting it, or waiting several minutes, has resolved the speed limitation in multiple reports.
Some owners describe total loss of power on a highway on-ramp, with dashboard alerts to check the driver assistance system or the hybrid system.
No warning lights or error messages appear before the failure in most reports, making the problem hard to anticipate.
One owner noted the vehicle seemed to run only on the electric motor instead of the gas engine when the issue occurred.

When 2025 Kia Carnival Hybrid engine complaints were filed

First complaint Jan 22, 2025, latest Sep 22, 2026.

35 complaints filed with NHTSA from Jan 2025 to Sep 2026; peak Feb 2025 (6).

Engine recalls for the 2025 Kia Carnival Hybrid

No safety recalls on record for this model year.

Engine complaints by Carnival Hybrid model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

202535 (56%)

Frequently asked questions

How common are engine complaints for the 2025 Kia Carnival Hybrid?: NHTSA lists 35 Engine complaints out of 63 total complaints filed for the 2025 Carnival Hybrid, or 56% of all complaints for the year.
What is the main engine problem owners report?: Owners describe the vehicle being unable to accelerate past about 31 mph, with RPMs rising but speed staying flat, most often in cold weather after the car has been sitting.
Is there a recall for this issue?: No related recalls are listed in the data for this problem area on the 2025 Kia Carnival Hybrid.
At what mileage do these engine problems tend to occur?: The median mileage at failure reported to NHTSA is 3,000 miles.
Have these engine issues caused any crashes or injuries?: NHTSA data shows 0 crashes, 0 fires, and 0 injuries tied to these complaints.