BMW 5 series 1974 fuel consumption
BMW 5 series from 1974 to 1981 real fuel consumption according to user reports is approximately 18% higher compared to advertised fuel consumption.
Year-to-year deviations of actual owner-reported average fuel consumption from advertised values
| Year | Gasoline cars | |
|---|---|---|
| All carmakers | BMW 5 series | |
See below for the actual consumption of generations and versions of BMW 5 series.
1974 - 1981
BMW 5 series 1974 E12 sedan fuel economy
| Average advertised fuel consumption for petrol engines | 21.9 MPG 10.7 l/100km |
| Average real-world fuel consumption for petrol engines | 18.4 MPG 12.8 l/100km |
| Average real gasoline consumption difference * | +16% |
According to advertised fuel consumption, a BMW 5 series 1974 with automatic transmission consumes on average 0.3 liters per 100 km or 2% more fuel than similar versions with manual gearbox.
The table below shows the real and claimed fuel consumption and the differences for specific versions.
| Modification | Claimed consumption | Real consumption |
|---|---|---|
| 1.8 liter petrol engine | ||
| BMW 518 90 HP manual | 23.5 MPG 10.0 l/100km |
|
| BMW 518 90 HP automatic | 23.5 MPG 10.0 l/100km |
|
| 2.0 liter petrol engine | ||
| BMW 520 122 HP manual | 23.5 MPG 10.0 l/100km |
|
| BMW 520 122 HP automatic | 23.5 MPG 10.0 l/100km |
|
| BMW 520i 125 HP manual | 24.8 MPG 9.5 l/100km |
|
| 2.5 liter petrol engine | ||
| BMW 525 150 HP manual | 21.4 MPG 11.0 l/100km |
18.4 MPG 12.8 l/100km+16% |
| BMW 525 150 HP automatic | 19.6 MPG 12.0 l/100km |
|
| 2.8 liter petrol engine | ||
| BMW 528 170 HP manual | 21.8 MPG 10.8 l/100km |
|
| BMW 528i 177 HP manual | 22.2 MPG 10.6 l/100km |
|
| BMW 528i 184 HP manual | 19.6 MPG 12.0 l/100km |
|
| BMW 528i 184 HP automatic | 19.6 MPG 12.0 l/100km |
|
* - 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.
User-reported fuel consumption may not accurately represent all users' experiences due to variables such as driving conditions, driving style, technical condition of the vehicle, and other circumstances. Thus, it should not be relied upon as a representative indicator.