The hatchback generally has more luggage space thanks to a larger trunk door opening and the ability to convert the rear of the passenger compartment into luggage space. Sedans tend to be quieter than hatchbacks, due to a more isolated rear area.
Gearbox:
Automatic
Automatic
Engine:
2.5 Diesel
2.0 Diesel
Performance
Power:
163 HP
140 HP
Torque:
310 NM
320 NM
Acceleration 0-100 km/h:
8.9 seconds
9.2 seconds
Audi A4 is more dynamic to drive. Audi A4 engine produces 23 HP more power than Audi A3, but torque is 10 NM less than Audi A3. Thanks to more power Audi A4 reaches 100 km/h speed 0.3 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
6.8
5.7
Real fuel consumption:
7.8 l/100km
6.5 l/100km
The Audi A3 is a better choice when it comes to fuel economy. By specification Audi A4 consumes 1.1 litres more fuel per 100 km than the Audi A3, which means that if you drive 15,000 km in a year, the Audi A4 could require 165 litres more fuel. By comparing actual fuel consumption based on user reports, Audi A4 consumes 1.3 litres more fuel per 100 km than the Audi A3.
Fuel tank capacity:
70 litres
55 litres
Full fuel tank distance:
1020 km in combined cycle
960 km in combined cycle
1270 km on highway
1140 km on highway
890 km with real consumption
840 km with real consumption
Audi A4 gets more mileage on one fuel tank.
Dimensions
Length:
4.59 m
4.29 m
Width:
1.77 m
1.76 m
Height:
1.43 m
1.42 m
Audi A4 is larger. Audi A4 is 30 cm longer than the Audi A3, 1 cm wider, while the height of Audi A4 is 1 cm higher.
Trunk capacity:
460 litres
370 litres
Trunk max capacity: with rear seats folded down
no data
1120 litres
Audi A4 has more luggage capacity. Audi A4 has 90 litres more trunk space than the Audi A3.
Turning diameter:
11.1 meters
10.7 meters
The turning circle of the Audi A4 is 0.4 metres more than that of the Audi A3, which means Audi A4 can be harder to manoeuvre in tight streets and parking spaces.
Audi A3 has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for Audi A4, so Audi A3 quality could be a bit better.
