Audi A6 Avant (2018 – 2025) vs Kia K9 (2018 – 2021): specs compared

Both offer around 367 hp at most. The Audi A6 Avant uses less fuel, from 4.5 L/100 km against 11.2 L/100 km. At 5,121 mm, the Kia K9 is 183 mm longer than the Audi A6 Avant.

Specification Audi A6 Avant Audi A6 Avant 2018 – 2025 Kia K9 Kia K9 2018 – 2021
Overview
Origin Germany South Korea
Documented years 2018 – 2025 2018 – 2021
Body style Avant · Estate / wagon —
Variants 10 1
Fuel Diesel, Petrol, Hybrid Petrol
Drive FWD · AWD AWD
Gearbox Automatic Automatic
Performance
Power 163 – 367 hp 370 hp
Torque 320 – 620 Nm 510 Nm
0–100 km/h 5.7 – 9.5 s —
Top speed 217 – 249 km/h —
Economy
Fuel economy 4.5 – 7.1 L/100 km 11.2 L/100 km
Dimensions
Length 4,938 mm 5,121 mm
Width 2,111 mm 1,915 mm
Height 1,494 mm 1,491 mm
Wheelbase 2,924 mm 3,104 mm
Curb weight 1,705 – 1,890 kg —

Ranges cover all variants of each car. The highlight marks the best version per row.

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