Seat Leon engine produces 3 HP more power than Audi A3, the torque is the same for both cars.
Fuel consumption
Fuel consumption (l/100km):
6.9
6.8
Real fuel consumption:
7.7 l/100km
7.7 l/100km
By specification Seat Leon consumes 0.1 litres more fuel per 100 km than the Audi A3, which means that if you drive 15,000 km in a year, the Seat Leon could require 15 litres more fuel.
Fuel tank capacity:
55 litres
55 litres
Full fuel tank distance:
790 km in combined cycle
800 km in combined cycle
1000 km on highway
1030 km on highway
710 km with real consumption
710 km with real consumption
Dimensions
Length:
4.18 m
4.15 m
Width:
1.74 m
1.74 m
Height:
1.46 m
1.43 m
Both cars are similar in size. Seat Leon is 3 cm longer than the Audi A3, width is practically the same , while the height of Seat Leon is 3 cm higher.
Seat Leon has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for Audi A3, so Seat Leon quality could be a bit better.