Toyota iQ fuel consumption
Year-to-year deviations of actual owner-reported average fuel consumption from advertised values
| Year | Gasoline cars | Diesel cars | ||
|---|---|---|---|---|
| All carmakers | Toyota iQ | All carmakers | Toyota iQ | |
| 2009 | +14% | +30% | +14% | +20% |
| Show all years | ||||
| 2010 | +16% | +30% | +16% | +20% |
| 2011 | +19% | +30% | +19% | +20% |
| 2012 | +21% | +30% | +23% | +20% |
| 2013 | +23% | +30% | +27% | - |
| 2014 | +26% | +30% | +30% | - |
| 2015 | +27% | +30% | +33% | - |
Toyota iQ 2009 fuel economy
| Average advertised fuel consumption for petrol engines | 49.5 MPG 4.8 l/100km |
| Average real-world fuel consumption for petrol engines | 37.9 MPG 6.2 l/100km |
| Average real gasoline consumption difference * | +30% |
| Average advertised fuel consumption for diesel engines | 58.8 MPG 4.0 l/100km |
| Average real-world fuel consumption for diesel engines | 49.0 MPG 4.8 l/100km |
| Average real diesel consumption difference * | +20% |
According to advertised fuel consumption, a Toyota iQ 2009 with automatic transmission consumes on average 0.3 liters per 100 km or 7% more fuel than similar versions with manual gearbox. Based on user-reported real-world fuel consumption, this generation Toyota iQ with automatic transmission consumes around 0.8 litres per 100 km or 14% more fuel than a version with the same engine but a manual gearbox.
Compared to similar cars of other manufacturers, the Toyota iQ advertised fuel economy is significantly above average, but according to available user reports on actual consumption, real fuel economy is slightly better than average.
The best fuel economy in its class of all the modifications has one with 1.3 petrol engine and manual transmission (Toyota iQ 2009 1.3 98 HP).
The table below shows the real and claimed fuel consumption and the differences for specific versions.
| Modification | Claimed consumption | Real consumption |
|---|---|---|
| 1.0 liter petrol engine | ||
| Toyota iQ 2009 1.0 68 HP manual | 54.7 MPG 4.3 l/100km |
42.0 MPG 5.6 l/100km+30% |
| Toyota iQ 2009 1.0 Automatic 68 HP automatic | 50.0 MPG 4.7 l/100km |
39.2 MPG 6.0 l/100km+28% |
| 1.3 liter petrol engine | ||
| Toyota iQ 2009 1.3 98 HP manual | 48.0 MPG 4.9 l/100km |
39.2 MPG 6.0 l/100km+22% |
| Toyota iQ 2009 1.3 Automatic 98 HP automatic | 46.1 MPG 5.1 l/100km |
32.7 MPG 7.2 l/100km+41% |
| 1.4 liter diesel engine | ||
| Toyota iQ 2009 1.4 D 90 HP manual | 58.8 MPG 4.0 l/100km |
49.0 MPG 4.8 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.