2014 BMW 6 Series Convertible 640i Convertible
The 2014 BMW 6 Series Convertible 640i Convertible is a 315-hp 3.0-liter turbocharged inline-6 convertible with an 8-speed automatic and rear-wheel drive. It starts at $82,900 MSRP and is rated at 24 mpg combined.
It makes 315 horsepower at 5,800 rpm and 330 lb-ft of torque at 1300 rpm. EPA fuel-economy estimates are 20 mpg city and 30 mpg highway (24 mpg combined).
The 6 Series Convertible measures 192.8 inches long on a 112.4-inch wheelbase and has a curb weight of 4,001 lb.
| Spec | Value |
|---|---|
| Price | |
| MSRP | $82,900 ($113,826 *) |
| Engine | |
| Engine Type | 3.0-liter turbocharged DOHC 24-valve I6 |
| Displacement | 3 L |
| Horsepower | 315 hp @ 5,800 rpm |
| Torque | 330 lb-ft @ 1300 rpm |
| Valvetrain | DOHC, 24-valve, VVT |
| Bore and Stroke | 84.07 x 89.66 mm |
| Compression Ratio | 10.2:1 |
| Drivetrain | |
| Drive Type | RWD |
| Transmission | |
| Transmission | 8-speed automatic |
| Fuel Economy | |
| City | 20 MPG |
| Highway | 30 MPG |
| Combined | 24 MPG |
| Tank Capacity | 18.5 gal |
| Suspension | |
| Front Suspension | Independent, double ball joint, gas shocks, coil springs |
| Rear Suspension | Independent, multi-link, gas shocks, coil springs |
| Tires & Wheels | |
| Wheels Front | 18" |
| Wheels Rear | 18" |
| Tires Front | 245/45R18 |
| Tires Rear | 245/45R18 |
| Dimensions & Weight | |
| Length | 192.8 in |
| Width | 81.9 in |
| Height | 53.7 in |
| Wheelbase | 112.4 in |
| Front Track | 62.8 in |
| Rear Track | 65 in |
| Cargo Volume | 16.2 ft³ |
| Curb Weight | 4,001 lbs |
| Interior | |
| Headroom Front | 40 in |
| Headroom Rear | 36.7 in |
| Legroom Front | 42.1 in |
| Legroom Rear | 30.5 in |
| Shoulder Room Front | 56.9 in |
| Shoulder Room Rear | 49.7 in |
* Amount adjusted for inflation to 2026 dollars