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Seat Leon 2017 fuel consumption

Seat Leon from 2017 to 2021 real fuel consumption according to user reports is approximately 25% higher compared to advertised fuel consumption. Starting from 2017 Seat Leon average difference between actual owner-reported fuel consumption and stated consumption was less than industry average, at 2021 difference between owner-reported and advertised fuel economy became slightly above industry average. For more details, see the table below.

Year-to-year deviations of actual owner-reported average fuel consumption from advertised values

YearGasoline carsDiesel cars
All carmakersSeat LeonAll carmakersSeat Leon
2017+28%+31% +38%+29%
Show all years
2018+28%+31% +39%+29%
2019+27%+31% +37%+29%
2020+27%+31% +36%+29%
2021+26%+31% +37%+29%

See below for the actual consumption of generations and versions of Seat Leon.

2017

Seat Leon 2017 hatchback fuel economy

Average advertised fuel consumption for petrol engines43.0 MPG
5.5 l/100km
Average real-world fuel consumption for petrol engines32.3 MPG
7.3 l/100km
Average real gasoline consumption difference *+31%
Average advertised fuel consumption for diesel engines54.1 MPG
4.4 l/100km
Average real-world fuel consumption for diesel engines41.6 MPG
5.7 l/100km
Average real diesel consumption difference *+29%

According to advertised fuel consumption, Seat Leon 2017 with automatic transmission have almost the same fuel economy as similar versions with manual gearbox. Based on user-reported real-world fuel consumption, this generation Seat Leon with automatic transmission consumes around 0.1 litres per 100 km or 2% 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 2.0 diesel engine and automatic transmission (Seat Leon 2017 2.0 TDI 150 HP). However, of all modifications the best advertised fuel economy in its class has Seat Leon with 1.4 petrol engine and automatic transmission (Seat Leon 2017 1.4 EcoTSI 150 HP).

ModificationClaimed consumptionReal consumption
1.0 liter petrol engine
Seat Leon 2017 1.0 115 HP manual 53.5 MPG
4.4 l/100km
39.9 MPG
5.9 l/100km+34%
Seat Leon 2017 1.0 115 HP automatic 53.5 MPG
4.4 l/100km
1.4 liter petrol engine
Seat Leon 2017 1.4 TGI 110 HP manual 43.6 MPG
5.4 l/100km
39.2 MPG
6.0 l/100km+11%
Seat Leon 2017 1.4 EcoTSI 150 HP manual 49.0 MPG
4.8 l/100km
35.6 MPG
6.6 l/100km+38%
Seat Leon 2017 1.4 EcoTSI 150 HP automatic 49.0 MPG
4.8 l/100km
33.6 MPG
7.0 l/100km+46%
1.6 liter diesel engine
Seat Leon 2017 1.6 TDI 115 HP manual 58.8 MPG
4.0 l/100km
45.2 MPG
5.2 l/100km+30%
Seat Leon 2017 1.6 TDI 115 HP automatic 57.4 MPG
4.1 l/100km
1.8 liter petrol engine
Seat Leon 2017 1.8 TSI 180 HP manual 39.2 MPG
6.0 l/100km
30.5 MPG
7.7 l/100km+28%
Seat Leon 2017 1.8 TSI 180 HP automatic 40.6 MPG
5.8 l/100km
30.5 MPG
7.7 l/100km+33%
2.0 liter petrol engine
Seat Leon 2017 2.0 TSI 300 HP manual 34.1 MPG
6.9 l/100km
27.7 MPG
8.5 l/100km+23%
Seat Leon 2017 2.0 TSI 300 HP automatic 35.1 MPG
6.7 l/100km
26.4 MPG
8.9 l/100km+33%
2.0 liter diesel engine
Seat Leon 2017 2.0 TDI 150 HP manual 53.5 MPG
4.4 l/100km
42.8 MPG
5.5 l/100km+25%
Seat Leon 2017 2.0 TDI 150 HP automatic 52.3 MPG
4.5 l/100km
45.2 MPG
5.2 l/100km+16%
Seat Leon 2017 2.0 TDI 184 HP manual 52.3 MPG
4.5 l/100km
38.6 MPG
6.1 l/100km+36%
Seat Leon 2017 2.0 TDI 184 HP automatic 51.1 MPG
4.6 l/100km
37.3 MPG
6.3 l/100km+37%
2017

Seat Leon 2017 wagon fuel economy

Average advertised fuel consumption for petrol engines44.7 MPG
5.3 l/100km
Average real-world fuel consumption for petrol engines34.1 MPG
6.9 l/100km
Average real gasoline consumption difference *+31%
Average advertised fuel consumption for diesel engines52.5 MPG
4.5 l/100km
Average real-world fuel consumption for diesel engines41.1 MPG
5.7 l/100km
Average real diesel consumption difference *+28%

According to advertised fuel consumption, Seat Leon 2017 with automatic transmission have almost the same fuel economy as similar versions with manual gearbox. Based on user-reported real-world fuel consumption, this generation Seat Leon with automatic transmission consumes around 0.2 litres per 100 km or 2% 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 2.0 diesel engine and automatic transmission (Seat Leon 2017 ST 2.0 TDI 150 HP). However, of all modifications the best advertised fuel economy in its class has Seat Leon with 1.4 petrol engine and automatic transmission (Seat Leon 2017 ST 1.4 TSI 150 HP).

ModificationClaimed consumptionReal consumption
1.2 liter petrol engine
Seat Leon 2017 ST 1.2 TSI 110 HP manual 48.0 MPG
4.9 l/100km
38.6 MPG
6.1 l/100km+24%
1.4 liter petrol engine
Seat Leon 2017 ST 1.4 TSI 125 HP manual 45.2 MPG
5.2 l/100km
37.3 MPG
6.3 l/100km+21%
Seat Leon 2017 ST 1.4 TSI 150 HP manual 48.0 MPG
4.9 l/100km
35.6 MPG
6.6 l/100km+35%
Seat Leon 2017 ST 1.4 TSI 150 HP automatic 49.0 MPG
4.8 l/100km
33.6 MPG
7.0 l/100km+46%
1.6 liter diesel engine
Seat Leon 2017 ST 1.6 TDI 116 HP manual 57.4 MPG
4.1 l/100km
45.2 MPG
5.2 l/100km+27%
1.8 liter petrol engine
Seat Leon 2017 ST 1.8 TSI 180 HP manual 39.2 MPG
6.0 l/100km
30.5 MPG
7.7 l/100km+28%
Seat Leon 2017 ST 1.8 TSI 180 HP automatic 40.6 MPG
5.8 l/100km
30.5 MPG
7.7 l/100km+33%
2.0 liter diesel engine
Seat Leon 2017 ST 2.0 TDI 150 HP manual 53.5 MPG
4.4 l/100km
42.8 MPG
5.5 l/100km+25%
Seat Leon 2017 ST 2.0 TDI 150 HP automatic 52.3 MPG
4.5 l/100km
42.8 MPG
5.5 l/100km+22%
Seat Leon 2017 ST FR 2.0 TDI 184 HP manual 51.1 MPG
4.6 l/100km
38.6 MPG
6.1 l/100km+33%
Seat Leon 2017 ST FR 2.0 TDI 184 HP automatic 49.0 MPG
4.8 l/100km
37.3 MPG
6.3 l/100km+31%
2017

Seat Leon 2017 hatchback fuel economy

Average advertised fuel consumption for petrol engines43.9 MPG
5.4 l/100km
Average real-world fuel consumption for petrol engines33.4 MPG
7.0 l/100km
Average real gasoline consumption difference *+32%
Average advertised fuel consumption for diesel engines54.5 MPG
4.3 l/100km
Average real-world fuel consumption for diesel engines41.6 MPG
5.7 l/100km
Average real diesel consumption difference *+30%

According to advertised fuel consumption, Seat Leon 2017 with automatic transmission have almost the same fuel economy as similar versions with manual gearbox. Based on user-reported real-world fuel consumption, this generation Seat Leon with automatic transmission consumes around 0.1 litres per 100 km or 2% 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 2.0 diesel engine and automatic transmission (Seat Leon 2017 SC 2.0 TDI 150 HP). However, of all modifications the best advertised fuel economy in its class has Seat Leon with 1.4 petrol engine and automatic transmission (Seat Leon 2017 SC 1.4 TSI 150 HP).

ModificationClaimed consumptionReal consumption
1.4 liter petrol engine
Seat Leon 2017 SC 1.4 TSI 125 HP manual 45.2 MPG
5.2 l/100km
37.3 MPG
6.3 l/100km+21%
Seat Leon 2017 SC 1.4 TSI 150 HP manual 48.0 MPG
4.9 l/100km
36.2 MPG
6.5 l/100km+33%
Seat Leon 2017 SC 1.4 TSI 150 HP automatic 48.0 MPG
4.9 l/100km
33.6 MPG
7.0 l/100km+43%
1.6 liter diesel engine
Seat Leon 2017 SC 1.6 TDI 115 HP manual 58.8 MPG
4.0 l/100km
45.2 MPG
5.2 l/100km+30%
Seat Leon 2017 SC 1.6 TDI 115 HP automatic 57.4 MPG
4.1 l/100km
1.8 liter petrol engine
Seat Leon 2017 SC 1.8 TSI 180 HP manual 39.2 MPG
6.0 l/100km
30.5 MPG
7.7 l/100km+28%
Seat Leon 2017 SC 1.8 TSI 180 HP automatic 40.6 MPG
5.8 l/100km
30.5 MPG
7.7 l/100km+33%
2.0 liter diesel engine
Seat Leon 2017 SC 2.0 TDI 150 HP manual 54.7 MPG
4.3 l/100km
42.8 MPG
5.5 l/100km+28%
Seat Leon 2017 SC 2.0 TDI 150 HP automatic 53.5 MPG
4.4 l/100km
45.2 MPG
5.2 l/100km+18%
Seat Leon 2017 SC 2.0 TDI 184 HP manual 52.3 MPG
4.5 l/100km
38.6 MPG
6.1 l/100km+36%
Seat Leon 2017 SC 2.0 TDI 184 HP automatic 51.1 MPG
4.6 l/100km
37.3 MPG
6.3 l/100km+37%

* - 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.