Model year guide

2018 BMW x3 m40i

Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2018 BMW x3 m40i is worth — from official NHTSA and EPA data. 24 on record.

2018 BMW x3 m40i — representative photo
Representative photo

2018 BMW x3 m40i at a glance

Safety recallsNone
Combined23 mpg

Included: that car's specs and build sheet, model-year recall campaigns and a fair price.

2018 BMW x3 m40i recalls 0

No NHTSA safety-recall campaigns are on record for the 2018 BMW x3 m40i.

Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.

2018 BMW x3 m40i MPG & running costs

Combined23 mpg
City20 mpg
Highway27 mpg
Est. annual fuel cost$3,550
EPA size classSmall Sport Utility Vehicle 4WD
TransmissionAutomatic (S8)
Forced inductionTurbocharged
Engine start-stopYes
5-yr fuel cost vs average new car$5,750 more

Source: U.S. EPA / DOE fueleconomy.gov.

Estimated 5-year cost to own

A rough guide to what running a 2018 BMW x3 m40i costs over five years and 75,000 miles.

Fuel (5 yrs)$17,750
Fuel only$17,750
Per mile$0.24

How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.

Dimensions & weight

Length
185.4 in
Width
74.4 in
Height
66.1 in
Wheelbase
112.6 in
Curb weight
4,229 lb
Front track
63.0 in
Rear track
63.8 in

Manufacturer-reported figures for the 2018 BMW x3 m40i. Source: Transport Canada vehicle specifications via NHTSA.

2018 BMW x3 m40i trims & engines on record

Trims
M40i
Engines
3.0L 6-cyl 355 hp

2018 BMW x3 m40i vehicles on record

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Other BMW x3 m40i model years

2024 2023 2022 2021 2020 2019 2017

2018 BMW x3 m40i — frequently asked questions

Does the 2018 BMW x3 m40i have any safety recalls?

NHTSA lists no safety-recall campaigns for the 2018 BMW x3 m40i. Whether an individual car still needs a recall repair depends on its VIN — check it on NHTSA.gov or ask a franchised dealer. Recall repairs are done at no charge.

What gas mileage does the 2018 BMW x3 m40i get?

The 2018 BMW x3 m40i has a U.S. EPA estimate of 23 mpg combined (20 city / 27 highway).

Sources: NHTSA (recalls, complaints, crash tests), U.S. EPA (fuel economy). Vehicle data only — CarLogs never shows owner information.