Competing in the mid-size sedan segment, the 2018 BMW M550i is a direct competitor to the Alfa Romeo Giulia Quadrifoglio, the Maserati Ghibli, and the Audi S6. The M550i starts off at an MSRP of $73,900, with standalone trim in the lineup. It is offered with a 4.4L Twin-Turbocharged V8 engine and an 8-Speed Automatic transmission, producing 456 horsepower and 480 lb-ft of torque. Through this powertrain, the M550i manages a 0-60 of 3.8 seconds and a combined fuel economy of 19 MPG.
- Car Reviews
- By make
- By body
- Acura
- Alfa Romeo
- Aston Martin
- Audi
- BMW
- Bentley
- Buick
- Cadillac
- Chevrolet
- Chrysler
- Dodge
- Ferrari
- Fiat
- Fisker
- Ford
- GMC
- Genesis
- Honda
- Hyundai
- Infiniti
- Jaguar
- Jeep
- Kia
- Lamborghini
- Land Rover
- Lexus
- Lincoln
- Lotus
- Lucid
- Maserati
- Maybach
- Mazda
- Mclaren
- Mercedes-Benz
- Mercury
- Mini
- Mitsubishi
- Nissan
- Polestar
- Porsche
- RAM
- Rivian
- Rolls-Royce
- Saab
- Scion
- Smart
- Subaru
- Suzuki
- Tesla
- Toyota
- Volkswagen
- Volvo
- Cars For Sale
- Used Cars
- New Cars
- Certified Pre-Owned
- Acura
- Alfa Romeo
- Aston Martin
- Audi
- BMW
- Bentley
- Buick
- Cadillac
- Chevrolet
- Chrysler
- Dodge
- Ferrari
- Fiat
- Fisker
- Ford
- GMC
- Genesis
- Honda
- Hyundai
- Infiniti
- Jaguar
- Jeep
- Kia
- Lamborghini
- Land Rover
- Lexus
- Lincoln
- Lotus
- Maserati
- Maybach
- Mazda
- Mclaren
- Mercedes-Benz
- Mercury
- Mini
- Mitsubishi
- Nissan
- Porsche
- RAM
- Rolls-Royce
- Saab
- Scion
- Smart
- Subaru
- Suzuki
- Tesla
- Toyota
- Volkswagen
- Volvo
- Car Rankings
- Latest News |
2018 BMW M550i
Key Spec of 2018 BMW M550i
fuel economy
16/19/25
fuel type
Premium Unleaded
horsepower
456 hp @ 5500 rpm
basic warranty
4 yr./ 50000 mi.
| Pros | Cons | What's New |
|---|---|---|
Sporty appearance and comfortable cabin | Absence of Android Auto integration | New model in the 5-Series line-up |
Intuitive touchscreen interface | Low-quality materials used here and there | |
Offers roomier backseats compared to rivals | ||
Runs fast and handles-well |
2018 BMW M550i Price, Review, Ratings and Pictures
Updated on: June 18, 2022
Nathan Dyer
Senior Editor
Over All Rating 7.7Out of 10 | |
|---|---|
| Pricing and Features | 9.00 |
| Features | 8.00 |
| Engine and Performance | 6.60 |
| Fuel Economy | 6.60 |
| Interior | 8.50 |
| Exterior | 6.60 |
| Safety | 6.00 |
| Competition | 8.00 |
Notable Rankings
Trims
Used BMW M550i For Sale
View MoreColors and Styles
Features
Trim: xDrive 4dr Sedan AWD (4.4L 8cyl Turbo 8A)
xDrive 4dr Sedan AWD (4.4L 8cyl Turbo 8A)
vehicle bio
base price
$73900
body style
4dr Sedan
engine type
displacement
268 cu in
horse power
456 hp @ 5500 rpm
torque
480 lb.-ft. @ 1800 rpm
transmission
8-speed shiftable automatic
dimensions
length
195.4 in
wheelbase
117.1 in
width
73.5 in
curb weight
4372 lbs
Height
57.8 in
Ground Clearance
5.2 in
capacity
passenger volume
98.8 cu ft
cargo volume
18.7 cu ft
passenger capacity
5 Seats
fuel economy
city/combined/highway
16/19/25 mpg
highway range
645.0 mi
warranty
basic warranty
4 yr./ 50000 mi.
powertrain warranty
4 yr./ 50,000 mi.
Best Deals Near You
8
58New2019 BMW M550i
xDrive 4dr Sedan AWD (4.4L 8cyl Turbo 8A)
$34,995
Est. $475/mo
Excellent DealRMV: $44,448
$9,453 Below market
Bronx, NY
Mileage 42,847 mi.
24
512019 BMW M550i
xDrive 4dr Sedan AWD (4.4L 8cyl Turbo 8A)
$42,992
Est. $583/mo
Excellent DealRMV: $51,411
$8,419 Below market
Eastchester, NY
Mileage 32,760 mi.
4
402018 BMW M550i
xDrive 4dr Sedan (4.4L 8cyl 456 hp 8A)
$43,875
Est. $595/mo
Excellent DealRMV: $52,334
$8,459 Below market
Bellerose, NY
Mileage 32,805 mi.
BMW M550i 5 year Cost To Own
Cash Price(MSRP)
$87,063
5 Year Cost To Own
$121,711
Total 5 year Cost To Own - $121,711
| Year 1 | Year 2 | Year 3 | Year 4 | Year 5 | total | |
|---|---|---|---|---|---|---|
| Depreciation | $19,598 | $10,700 | $8,746 | $9,800 | $8,562 | $57,406 |
| Insurance | $2,050 | $2,122 | $2,196 | $2,273 | $2,352 | $10,993 |
| Fuel | $3,045 | $3,136 | $3,230 | $3,327 | $3,427 | $16,165 |
| Maintenance | NA | NA | $1,144 | $5,587 | $4,980 | $11,711 |
| Repairs | NA | NA | NA | $1,254 | $1,929 | $3,183 |
| Financing Interest | $4,682 | $3,766 | $2,787 | $1,744 | $631 | $13,610 |
| Taxes and Fees | $7,186 | $461 | $391 | $334 | $271 | $8,643 |
| Total Cost-To-Own | $36,561 | $20,185 | $18,494 | $24,319 | $22,152 | $121,711 |