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A6 C8 vs Grandeur VI (IG): which is better?

Audi A6 C8 (2018–present) vs Hyundai Grandeur VI (IG) (2016–2022): specs, fuel economy, tax and common problems.

Audi A6 C8Audi A6 C8Hyundai Grandeur VI (IG)Hyundai Grandeur VI (IG)

Specifications

Audi A6 C8Hyundai Grandeur VI (IG)
Production years2018–present2016–2022
Bodysedansedan
Fuelpetrolpetrol
Engines2.0 TFSI (45 TFSI)3.0 V6
Power, up to245 hp249 hp
Torque, up to370 Nm289 Nm
Gearboxdual-clutch (DCT)automatic
Driveall-wheel drivefront-wheel drive
Length4 939 mm4 930 mm
Width1 886 mm1 865 mm
Height1 457 mm1 470 mm
Wheelbase2 924 mm2 845 mm
Fuel tank73 L70 L
KZ tax 2026 (car under 10 years)≈ 16 475 ₸≈ 42 425 ₸

The better value is highlighted in green.

Pros, cons and common problems

Audi A6 C8

Pros

  • Powerful versions: up to 245 hp
  • Large fuel tank: 73 L
  • Currently in production — can be bought new
  • Sold in all major markets of the region — parts and mechanics available

Cons

  • Engine VW/Audi EA888 (1.8–2.0 TSI/TFSI): oil consumption (piston rings) on second-generation engines
  • Gearbox DSG/S tronic with wet clutch: clutch and mechatronics wear at high mileage

Engine (VW/Audi EA888 (1.8–2.0 TSI/TFSI)): oil consumption (piston rings) on second-generation engines; timing chain stretch and tensioner on early engines; plastic water pump and thermostat housing leaks.

Gearbox (DSG/S tronic with wet clutch): clutch and mechatronic wear at high mileage; wears quickly without oil changes.

Hyundai Grandeur VI (IG)

Pros

  • Powerful versions: up to 249 hp
  • Conventional automatic, no robotized gearbox or CVT
  • Large tank: 70 L
  • Sold in all major markets of the region — parts and mechanics available

Cons

  • Hyundai/Kia Lambda engine (V6): timing chain stretch at high mileage
  • Hyundai/Kia automatic: jolts on 2–3 shifts and when braking

Engine (Hyundai/Kia Lambda (V6)): timing chain stretch at high mileage; oil leaks.

Gearbox (Hyundai/Kia automatic): kicks on the 2–3 shift and when braking; solenoid and clutch pack wear at high mileage.

Which one to choose

The condition of a specific car matters more than the model: check the service history and get the engine and gearbox inspected before buying.

FAQ

Which is more powerful: A6 C8 or Grandeur VI (IG)?

A6 C8: up to 245 hp, Grandeur VI (IG): up to 249 hp.

What is the vehicle tax in Kazakhstan?

For 2026, for a car under 10 years old: A6 C8 — about 16 475 ₸, Grandeur VI (IG) — about 42 425 ₸ (base engine). A 0.7 factor applies to cars aged 10–20 years and 0.5 to cars over 20.

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