Lexus IS is more dynamic to drive. Lexus IS engine produces 34 HP more power than Infiniti Q50, the torque is the same for both cars. Thanks to more power Lexus IS reaches 100 km/h speed 0.3 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
9.0
7.0
The Infiniti Q50 is a better choice when it comes to fuel economy. Lexus IS consumes 2 litres more fuel per 100 km than the Infiniti Q50, which means that if you drive 15,000 km in a year, the Lexus IS could require 300 litres more fuel.
Fuel tank capacity:
66 litres
80 litres
Full fuel tank distance:
730 km in combined cycle
1140 km in combined cycle
890 km on highway
1400 km on highway
Infiniti Q50 gets more mileage on one fuel tank.
Dimensions
Length:
4.68 m
4.79 m
Width:
1.81 m
1.82 m
Height:
1.43 m
1.46 m
Lexus IS is smaller. Lexus IS is 11 cm shorter than the Infiniti Q50, 1 cm narrower, while the height of Lexus IS is 3 cm lower.
Trunk capacity:
306 litres
500 litres
Infiniti Q50 has more luggage space. Lexus IS has 194 litres less trunk space than the Infiniti Q50.
Turning diameter:
11 meters
12 meters
The turning circle of the Lexus IS is 1 metres less than that of the Infiniti Q50, which means Lexus IS can be easier to manoeuvre in tight streets and parking spaces.
