Model year
2018 BMW 6 Series
NHTSA does not list the EPA model name 6 Series for 2018. Under the matched names 640I, 640XI, and 650I, NHTSA lists 2 recalls and 11 complaints (recall file dated Oct 23, 2026; complaint file dated Oct 23, 2026). The components listed on the most complaints for 640XI are AIR BAGS (2), UNKNOWN OR OTHER (2), VEHICLE SPEED CONTROL (1). NHTSA lists 1 investigation with no close date in the file. NHTSA lists crash-test variants for this model year and marks the overall rating Not Rated. EPA rates it 19–23 mpg combined depending on configuration (fuel economy file dated Sep 29, 2026). EPA's annual fuel-cost figures for these configurations are $3,550–$4,350, based on 15,000 miles and 55% city driving.
- 2004 3 complaints
- 2005 7 complaints
- 2006 5 complaints
- 2007 2 complaints
- 2008 6 complaints
- 2009 0 complaints
- 2010 0 complaints
- 2012 2 complaints
- 2013 22 complaints
- 2014 13 complaints
- 2015 9 complaints
- 2016 1 complaints
- 2017 1 complaints
- 2018 11 complaints
- 2019 4 complaints
Matched NHTSA names
The EPA model name is not itself a name in the NHTSA file for 2018. The counts in the answer are the sum of the names below. Overlap between those names is not removed.
| NHTSA name | Recalls | Complaints | Investigations |
|---|---|---|---|
| 640I | 2 | 5 | 1 |
| 640XI | 0 | 6 | 0 |
| 650I | 0 | 0 | 1 |
Recalls for 640XI
No recalls are listed for this name in the matched NHTSA file.
Complaints for 640XI
6 distinct complaints. Crash flag on 0, fire flag on 0, injury field 0, deaths field 0. A complaint can be counted under more than one component. The injury and death figures are the file's numbers (the highest value on each complaint, then added), not a separate verified count of people.
Investigations for 640XI
No investigations are matched to this name.
Safety ratings
| Variant | Overall | Front | Side | Pole | Rollover | Photo |
|---|---|---|---|---|---|---|
| 4 DR AWD | Not rated | Not Rated | Not Rated | Not Rated | Not Rated · possibility 0 | — |
| 4 DR RWD | Not rated | Not Rated | Not Rated | Not Rated | Not Rated · possibility 0 | — |
| C AWD | Not rated | Not Rated | Not Rated | Not Rated | Not Rated · possibility 0 | — |
| C RWD | Not rated | Not Rated | Not Rated | Not Rated | Not Rated · possibility 0 | — |
Fuel economy
| Configuration | Fuel | City | Hwy | Comb | kWh/100 mi | Range | Annual fuel cost |
|---|---|---|---|---|---|---|---|
| 640i Convertible · 3L · Automatic (S8) · Rear-Wheel Drive | Premium Gasoline | 20 | 29 | 23 | — | — | $3,550 |
| 640i xDrive Convertible · 3L · Automatic (S8) · All-Wheel Drive | Premium Gasoline | 19 | 28 | 22 | — | — | $3,750 |
| 650i Convertible · 4.4L · Automatic (S8) · Rear-Wheel Drive | Premium Gasoline | 17 | 25 | 20 | — | — | $4,100 |
| 650i xDrive Convertible · 4.4L · Automatic (S8) · All-Wheel Drive | Premium Gasoline | 16 | 25 | 19 | — | — | $4,350 |
| 640i Gran Coupe · 3L · Automatic (S8) · Rear-Wheel Drive | Premium Gasoline | 20 | 29 | 23 | — | — | $3,550 |
| 640i xDrive Gran Coupe · 3L · Automatic (S8) · All-Wheel Drive | Premium Gasoline | 19 | 28 | 22 | — | — | $3,750 |
| 650i Gran Coupe · 4.4L · Automatic (S8) · Rear-Wheel Drive | Premium Gasoline | 17 | 25 | 20 | — | — | $4,100 |
| 650i xDrive Gran Coupe · 4.4L · Automatic (S8) · All-Wheel Drive | Premium Gasoline | 16 | 25 | 19 | — | — | $4,350 |
| Alpina B6 xDrive Gran Coupe · 4.4L · Automatic (S8) · All-Wheel Drive | Premium Gasoline | 16 | 25 | 19 | — | — | $4,350 |
| 640i xDrive Gran Turismo · 3L · Automatic (S8) · All-Wheel Drive | Premium Gasoline | 20 | 28 | 23 | — | — | $3,550 |
Open this model year in the fuel-cost calculator. The calculator starts with no fuel price filled in.
Check a vehicle
This page is not a VIN lookup. NHTSA's recall tool checks a specific vehicle: nhtsa.gov/recalls. NHTSA's page for this model year is 2018 BMW 6 Series at NHTSA. Complaint narratives stay on NHTSA's site and are not copied here.