Alfa Romeo 166 fuel consumption
Year-to-year deviations of actual owner-reported average fuel consumption from advertised values
| Year | Gasoline cars | Diesel cars | ||
|---|---|---|---|---|
| All carmakers | Alfa Romeo 166 | All carmakers | Alfa Romeo 166 | |
| 1998 | +3% | +12% | +4% | - |
| Show all years | ||||
| 1999 | +3% | +12% | +5% | - |
| 2000 | +4% | +12% | +5% | - |
| 2001 | +5% | +12% | +6% | - |
| 2002 | +6% | +12% | +7% | - |
| 2003 | +6% | - | +8% | insignificant |
| 2004 | +7% | - | +9% | insignificant |
| 2005 | +8% | - | +10% | insignificant |
| 2006 | +9% | - | +11% | insignificant |
| 2007 | +11% | - | +12% | insignificant |
See below for the actual consumption of generations and versions of Alfa Romeo 166.
Alfa Romeo 166 2003 fuel economy
| Average advertised fuel consumption for petrol engines | 20.0 MPG 11.8 l/100km |
| Average real-world fuel consumption for petrol engines | 21.8 MPG 10.8 l/100km |
| Average real gasoline consumption difference * | insignificant |
| Average advertised fuel consumption for diesel engines | 29.9 MPG 7.9 l/100km |
| Average real-world fuel consumption for diesel engines | 32.4 MPG 7.3 l/100km |
| Average real diesel consumption difference * | insignificant |
According to advertised fuel consumption, a Alfa Romeo 166 2003 with automatic transmission consumes on average 1.4 liters per 100 km or 19% more fuel than similar versions with manual gearbox. Based on user-reported real-world fuel consumption, this generation Alfa Romeo 166 with automatic transmission consumes around 1.5 litres per 100 km or 22% more fuel than a version with the same engine but a manual gearbox.
The best real fuel economy in its class according to user reviews of all the modifications has modification with 2.4 diesel engine and manual transmission (Alfa Romeo 166 2003 2.4 JTD 20v 175 HP). However, of all modifications the best advertised fuel economy in its class has Alfa Romeo 166 with 2.4 diesel engine and manual transmission (Alfa Romeo 166 2003 2.4 JTD 10v 150 HP), but despite this 60% of other similar cars have better fuel economy figures.
The table below shows the real and claimed fuel consumption and the differences for specific versions.
| Modification | Claimed consumption | Real consumption |
|---|---|---|
| 2.0 liter petrol engine | ||
| Alfa Romeo 166 2003 2.0 T.Spark 150 HP manual | 24.2 MPG 9.7 l/100km |
|
| 2.4 liter diesel engine | ||
| Alfa Romeo 166 2003 2.4 JTD 10v 150 HP manual | 32.7 MPG 7.2 l/100km |
30.9 MPG 7.6 l/100km+6% |
| Alfa Romeo 166 2003 2.4 JTD 20v 175 HP manual | 31.4 MPG 7.5 l/100km |
31.8 MPG 7.4 l/100km-1% |
| Alfa Romeo 166 2003 2.4 JTD 20v 175 HP automatic | 26.4 MPG 8.9 l/100km |
26.1 MPG 9.0 l/100km+1% |
| 2.5 liter petrol engine | ||
| Alfa Romeo 166 2003 2.5 V6 24V 188 HP manual | 19.8 MPG 11.9 l/100km |
|
| 3.0 liter petrol engine | ||
| Alfa Romeo 166 2003 3.0 V6 24V 220 HP automatic | 18.1 MPG 13.0 l/100km |
|
| 3.2 liter petrol engine | ||
| Alfa Romeo 166 2003 3.2 V6 24V 240 HP manual | 18.8 MPG 12.5 l/100km |
19.8 MPG 11.9 l/100km-5% |
Alfa Romeo 166 1998 fuel economy
| Average advertised fuel consumption for petrol engines | 20.1 MPG 11.7 l/100km |
| Average real-world fuel consumption for petrol engines | 19.6 MPG 12.0 l/100km |
| Average real gasoline consumption difference * | insignificant |
| Average advertised fuel consumption for diesel engines | 31.8 MPG 7.4 l/100km |
| Average real-world fuel consumption for diesel engines | 34.3 MPG 6.9 l/100km |
| Average real diesel consumption difference * | insignificant |
According to advertised fuel consumption, a Alfa Romeo 166 1998 with automatic transmission consumes on average 0.7 liters per 100 km or 6% more fuel than similar versions with manual gearbox.
The best real fuel economy in its class according to user reviews of all the modifications has modification with 2.4 diesel engine and manual transmission (Alfa Romeo 166 1998 2.4 JTD 136 HP). However, of all modifications the best advertised fuel economy in its class has Alfa Romeo 166 with 2.4 diesel engine and manual transmission (Alfa Romeo 166 2002 2.4 JTD 150 HP).
The table below shows the real and claimed fuel consumption and the differences for specific versions.
| Modification | Claimed consumption | Real consumption |
|---|---|---|
| 2.0 liter petrol engine | ||
| Alfa Romeo 166 1998 2.0 T.Spark 155 HP manual | 24.2 MPG 9.7 l/100km |
|
| Alfa Romeo 166 2002 2.0 T.Spark 155 HP manual | 24.2 MPG 9.7 l/100km |
|
| 2.4 liter diesel engine | ||
| Alfa Romeo 166 1998 2.4 JTD 136 HP manual | 32.2 MPG 7.3 l/100km |
32.2 MPG 7.3 l/100km0% |
| Alfa Romeo 166 2002 2.4 JTD 150 HP manual | 31.4 MPG 7.5 l/100km |
30.2 MPG 7.8 l/100km+4% |
| 2.5 liter petrol engine | ||
| Alfa Romeo 166 1998 2.5 V6 24V 190 HP manual | 20.6 MPG 11.4 l/100km |
18.4 MPG 12.8 l/100km+12% |
| Alfa Romeo 166 1998 2.5 V6 24V 190 HP automatic | 19.3 MPG 12.2 l/100km |
|
| Alfa Romeo 166 2002 2.5 V6 24V 190 HP manual | 20.6 MPG 11.4 l/100km |
|
| 3.0 liter petrol engine | ||
| Alfa Romeo 166 1998 3.0 V6 24V 226 HP manual | 18.8 MPG 12.5 l/100km |
19.1 MPG 12.3 l/100km-2% |
| Alfa Romeo 166 1998 3.0 V6 24V 226 HP automatic | 18.1 MPG 13.0 l/100km |
17.8 MPG 13.2 l/100km+2% |
| Alfa Romeo 166 2002 3.0 V6 24V 226 HP manual | 18.8 MPG 12.5 l/100km |
|
| Alfa Romeo 166 2002 3.0 V6 24V 226 HP automatic | 18.1 MPG 13.0 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.