Sonata VI (YF) vs E-Class W212: which is better?
Hyundai Sonata VI (YF) (2009–2014) vs Mercedes-Benz E-Class W212 (2009–2016): specs, fuel economy, tax and common problems.
Hyundai Sonata VI (YF)Specifications
| Hyundai Sonata VI (YF) | Mercedes-Benz E-Class W212 | |
|---|---|---|
| Production years | 2009–2014 | 2009–2016 |
| Body | sedan | sedan |
| Fuel | petrol | petrol |
| Engines | 2.4 | 1.8 Turbo (E200) |
| Power, up to | 178 hp | 184 hp |
| Torque, up to | 231 Nm | 270 Nm |
| Gearbox | automatic | automatic |
| Drive | front-wheel drive | rear-wheel drive |
| Length | 4 820 mm | 4 868 mm |
| Width | 1 835 mm | 1 854 mm |
| Height | 1 470 mm | 1 470 mm |
| Wheelbase | 2 795 mm | 2 874 mm |
| Fuel tank | 70 L | 80 L |
| KZ tax 2026 (car under 10 years) | ≈ 28 750 ₸ | ≈ 15 075 ₸ |
The better value is highlighted in green.
Pros, cons and common problems
Hyundai Sonata VI (YF)
Pros
- 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 Theta II engine (G4KD, G4KE, G4KJ): cylinder scoring (especially the direct-injection G4KJ)
- Hyundai/Kia automatic: jolts on 2–3 shifts and when braking
Engine (Hyundai/Kia Theta II (G4KD, G4KE, G4KJ)): cylinder scoring (especially the direct-injection G4KJ); knocking and oil consumption; catalytic converter debris in the cylinders.
Gearbox (Hyundai/Kia automatic): kicks on the 2–3 shift and when braking; solenoid and clutch pack wear at high mileage.
Mercedes-Benz E-Class W212
Pros
- Conventional automatic, no robotized gearbox or CVT
- Large tank: 80 L
- Sold in all major markets of the region — parts and mechanics available
Cons
- Engine Mercedes M271 (1.8): timing chain stretch
- Gearbox Mercedes 7G-Tronic (722.9): control board failure (speed sensors)
Engine (Mercedes M271 (1.8)): timing chain stretch; oil leaks from the heat exchanger and oil separator.
Gearbox (Mercedes 7G-Tronic (722.9)): control board failure (speed sensors); valve body wear.
Which one to choose
- E-Class W212 — if you care more about: power, torque, wheelbase, fuel tank, kz tax 2026.
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: Sonata VI (YF) or E-Class W212?
Sonata VI (YF): up to 178 hp, E-Class W212: up to 184 hp.
What is the vehicle tax in Kazakhstan?
For 2026, for a car under 10 years old: Sonata VI (YF) — about 28 750 ₸, E-Class W212 — about 15 075 ₸ (base engine). A 0.7 factor applies to cars aged 10–20 years and 0.5 to cars over 20.