2018 BMW 640i
1 trim · Convertible
Starting MSRP
$86,700
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Pricing
How much should you pay for the BMW 640i? Select a trim to update purchase and lease estimates.
MSRP by trim
$86,700
Starting MSRP
Purchase information
Based on 640i
Total price (640i MSRP)
$86,700
Typical monthly
$1,717/mo
Avg. APR
7.00%
60-month loan estimate for good credit (rates as of 2026-08-23). Not a credit offer; actual APR varies by lender, credit, and dealer.
Open loan calculatorCompare 2018 BMW 640i trims
640i
- MSRP
- $86,700
- Fuel economy (city/hwy)
- 20/29
- Horsepower
- 315 hp
- Torque
- 330 lb-ft
- Engine
- 3L I6 gas
- Seating
- 4
- Drivetrain
- RWD
- Cargo (cu ft)
- 11
- Max towing
- —
| Spec | 640i |
|---|---|
| MSRP | $86,700 |
| Fuel economy (city/hwy) | 20/29 |
| Horsepower | 315 hp |
| Torque | 330 lb-ft |
| Engine | 3L I6 gas |
| Seating | 4 |
| Drivetrain | RWD |
| Cargo (cu ft) | 11 |
| Max towing | — |
Manufacturer specifications by trim and drivetrain. Same trim names with different MSRPs are distinct FWD/AWD (or other drivetrain) configurations from the catalog. MSRP excludes destination fees, taxes, and dealer-installed options.
Full specifications
Engine & drivetrain
- Engine type
- gas
- Fuel type
- premium unleaded (required)
- Cylinders
- I6
- Displacement
- 3 L
- Horsepower
- 315 hp
- Torque
- 330 lb-ft
- Transmission
- 8-speed shiftable automatic
- Drivetrain
- rear wheel drive
Dimensions
- Body type
- Convertible
- Doors
- 2
- Seating
- 4
- Length
- 192.8 in
- Width
- 74.6 in
- Height
- 53.7 in
- Wheelbase
- 112.4 in
- Ground clearance
- 4.8 in
Capacity & weight
- Cargo capacity
- 11 cu ft
- Max cargo capacity
- 11 cu ft
- Curb weight
- 4,250 lbs
- Fuel tank
- 18.5 gal
Fuel economy & EV
- Combined MPG
- 23
- City MPG
- 20
- Highway MPG
- 29
| Spec | Value |
|---|---|
| Engine & drivetrain | |
| Engine type | gas |
| Fuel type | premium unleaded (required) |
| Cylinders | I6 |
| Displacement | 3 L |
| Horsepower | 315 hp |
| Torque | 330 lb-ft |
| Transmission | 8-speed shiftable automatic |
| Drivetrain | rear wheel drive |
| Dimensions | |
| Body type | Convertible |
| Doors | 2 |
| Seating | 4 |
| Length | 192.8 in |
| Width | 74.6 in |
| Height | 53.7 in |
| Wheelbase | 112.4 in |
| Ground clearance | 4.8 in |
| Capacity & weight | |
| Cargo capacity | 11 cu ft |
| Max cargo capacity | 11 cu ft |
| Curb weight | 4,250 lbs |
| Fuel tank | 18.5 gal |
| Fuel economy & EV | |
| Combined MPG | 23 |
| City MPG | 20 |
| Highway MPG | 29 |
Research similar vehicles
2018 BMW 640i FAQ
- How much does the 2018 BMW 640i cost?
- The 2018 BMW 640i has a starting MSRP of $86,700. Trim pricing includes 640i from $86,700.
- What is the fuel economy of the 2018 BMW 640i?
- The 2018 BMW 640i achieves up to 23 MPG combined (EPA estimate), depending on trim and configuration.
- How much cargo space does the 2018 BMW 640i have?
- The 2018 BMW 640i offers up to 11 cubic feet of cargo capacity, depending on trim and seating configuration.
- How many trims does the 2018 BMW 640i come in?
- The 2018 BMW 640i is available in 1 trim across Convertible body styles with rear wheel drive.