BMW 6 series 2004 fuel consumption
Year-to-year deviations of actual owner-reported average fuel consumption from advertised values
| Year | Gasoline cars | |||
|---|---|---|---|---|
| All carmakers | BMW 6 series | |||
| 2004 | +7% | +11% | ||
| Show all years | ||||
| 2005 | +8% | +12% | ||
| 2006 | +9% | +15% | ||
| 2007 | +11% | +15% | ||
See below for the actual consumption of generations and versions of BMW 6 series.
BMW 6 series 2004 cabrio fuel economy
| Average advertised fuel consumption for petrol engines | 20.3 MPG 11.6 l/100km |
| Average real-world fuel consumption for petrol engines | 19.6 MPG 12.0 l/100km |
| Average real gasoline consumption difference * | +7% |
According to advertised fuel consumption, a BMW 6 series 2004 with automatic transmission consumes on average 0.6 liters per 100 km or 4% less fuel than similar versions with manual gearbox. Based on user-reported real-world fuel consumption, this generation BMW 6 series with automatic transmission consumes around 0.5 litres per 100 km or 5% more fuel than a version with the same engine but a manual gearbox.
Compared to similar cars from other manufacturers, the BMW 6 series fuel economy is slightly worse than average. The best fuel economy in its class of all the modifications has one with 3.0 petrol engine and manual transmission (BMW 630i Cabrio 258 HP).
The table below shows the real and claimed fuel consumption and the differences for specific versions.
| Modification | Claimed consumption | Real consumption |
|---|---|---|
| 3.0 liter petrol engine | ||
| BMW 630i Cabrio 258 HP manual | 24.5 MPG 9.6 l/100km |
22.2 MPG 10.6 l/100km+10% |
| BMW 630i Cabrio 258 HP automatic | 23.8 MPG 9.9 l/100km |
21.2 MPG 11.1 l/100km+12% |
| 4.4 liter petrol engine | ||
| BMW 645Ci Cabrio 333 HP manual | 18.1 MPG 13.0 l/100km |
17.6 MPG 13.4 l/100km+3% |
| BMW 645Ci Cabrio 333 HP automatic | 19.6 MPG 12.0 l/100km |
18.5 MPG 12.7 l/100km+6% |
| 4.8 liter petrol engine | ||
| BMW 650i Cabrio 367 HP manual | 18.1 MPG 13.0 l/100km |
|
| BMW 650i Cabrio 367 HP automatic | 19.6 MPG 12.0 l/100km |
17.6 MPG 13.4 l/100km+12% |
BMW 6 series 2004 coupe fuel economy
| Average advertised fuel consumption for petrol engines | 21.9 MPG 10.8 l/100km |
| Average real-world fuel consumption for petrol engines | 19.7 MPG 12.0 l/100km |
| Average real gasoline consumption difference * | +14% |
According to advertised fuel consumption, a BMW 6 series 2004 with automatic transmission consumes on average 0.5 liters per 100 km or 3% less fuel than similar versions with manual gearbox. Based on user-reported real-world fuel consumption, this generation BMW 6 series with automatic transmission consumes around 0.5 litres per 100 km or 5% more fuel than a version with the same engine but a manual gearbox.
Compared to similar cars of other manufacturers, the BMW 6 series advertised fuel economy is significantly above average, but according to available user reports on actual consumption, real fuel economy is slightly worse than average.
The best fuel economy in its class of all the modifications has one with 3.0 petrol engine and manual transmission (BMW 630i 258 HP).
The table below shows the real and claimed fuel consumption and the differences for specific versions.
| Modification | Claimed consumption | Real consumption |
|---|---|---|
| 3.0 liter petrol engine | ||
| BMW 630i 258 HP manual | 26.1 MPG 9.0 l/100km |
22.2 MPG 10.6 l/100km+18% |
| BMW 630i 258 HP automatic | 24.8 MPG 9.5 l/100km |
21.2 MPG 11.1 l/100km+17% |
| 4.4 liter petrol engine | ||
| BMW 645Ci 333 HP manual | 19.6 MPG 12.0 l/100km |
19.3 MPG 12.2 l/100km+2% |
| BMW 645Ci 333 HP automatic | 21.4 MPG 11.0 l/100km |
18.5 MPG 12.7 l/100km+15% |
| 4.8 liter petrol engine | ||
| BMW 650i 367 HP manual | 19.6 MPG 12.0 l/100km |
|
| BMW 650i 367 HP automatic | 21.4 MPG 11.0 l/100km |
17.8 MPG 13.2 l/100km+20% |
* - Difference between advertised and user reported fuel economy has been calculated taking into account only those car versions for which information is available both on the fuel consumption specified by the manufacturer and reported by users.