2003 Mini Cooper Power Train:automatic Transmission Problems
NHTSA component category: POWER TRAIN:AUTOMATIC TRANSMISSION · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train:automatic transmission ranks on this vehicle
Share of the 320 complaints citing each category; one complaint can cite several. Full breakdown on the 2003 Mini Cooper overview page.
What owners report
“2003 MINI COOPER TRANSMISSION FAILED WHILE DRIVING ON HIGHWAY. CAR JUST STOPPED WHILE GOING 60 MPH. MANUFACTURER/DEALER WOULD NOT COVER REPAIRS (85,000 MILES OUT OF…”NHTSA complaint 10301992 — filed 01/23/2010
“THE CONTACT OWNS A 2003 MINI COOPER. WHILE DRIVING APPROXIMATELY 25 MPH THE TRANSMISSION BEGAN TO SLIP GEARS. THE VEHICLE WAS TAKEN TO AN INDEPENDENT…”NHTSA complaint 10292084 — filed 11/13/2009
“TRANSMISSION FAILED ON 2003 MINI COOPER WHILE DRIVING ON HIGHWAY.”NHTSA complaint 10289738 — filed 10/25/2009
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train:automatic Transmission complaints by year filed
Frequently asked questions
Does the 2003 Mini Cooper have power train:automatic transmission problems?
Power Train:automatic Transmission is the #2 most-reported problem area on the 2003 Mini Cooper: 53 of 320 complaints on file (16.6%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2003 Mini Cooper have in total?
320 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 3 involved a crash, 27 involved a fire, 3 reported injuries, and none reported deaths.
What does NHTSA's power train:automatic transmission category include?
NHTSA assigns each complaint to standard component categories; this page reports the POWER TRAIN:AUTOMATIC TRANSMISSION category exactly as NHTSA defines and records it.
