Q7 II (4M) vs RX IV (AL20): which is better?
Audi Q7 II (4M) (2015–present) vs Lexus RX IV (AL20) (2015–2022): specs, fuel economy, tax and common problems.
Audi Q7 II (4M)
Lexus RX IV (AL20)Specifications
| Audi Q7 II (4M) | Lexus RX IV (AL20) | |
|---|---|---|
| Production years | 2015–present | 2015–2022 |
| Body | crossover SUV | crossover SUV |
| Fuel | petrol | petrol |
| Engines | 3.0 TFSI (55 TFSI) | 3.5 V6 (RX350) |
| Power, up to | 333 hp | 300 hp |
| Torque, up to | 440 Nm | 370 Nm |
| Gearbox | automatic | automatic |
| Drive | all-wheel drive | all-wheel drive |
| Length | 5 052 mm | 4 890 mm |
| Width | 1 968 mm | 1 895 mm |
| Height | 1 741 mm | 1 690 mm |
| Wheelbase | 2 994 mm | 2 790 mm |
| Ground clearance | — | 200 mm |
| Fuel tank | 85 L | 72 L |
| KZ tax 2026 (car under 10 years) | ≈ 42 425 ₸ | ≈ 68 375 ₸ |
The better value is highlighted in green.
Pros, cons and common problems
Audi Q7 II (4M)
Pros
- Gearbox ZF 8HP: a reliable gearbox
- Powerful versions: up to 333 hp
- All-wheel-drive versions available
- Large fuel tank: 85 L
Cons
- Gearbox ZF 8HP: rarely, mechatronics and bushings at high mileage
Gearbox (ZF 8HP): reliable gearbox; rarely — mechatronic and bushings at high mileage.
Lexus RX IV (AL20)
Pros
- Gearbox Aisin automatic: generally reliable
- Powerful versions: up to 300 hp
- All-wheel-drive versions available
- High ground clearance: 200 mm
Cons
- Engine Toyota 2GR-FE/FKS (3.5 V6): rubber VVT-i oil line can burst on early engines (before ~2010)
- Gearbox Aisin automatic: valve body wear at high mileage
Engine (Toyota 2GR-FE/FKS (3.5 V6)): rupture of the rubber VVT-i oil line on early engines (before ~2010); water pump leak; valve cover gasket leaks.
Gearbox (Aisin automatic): generally reliable; at high mileage — valve body wear.
Which one to choose
- Q7 II (4M) — 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: Q7 II (4M) or RX IV (AL20)?
Q7 II (4M): up to 333 hp, RX IV (AL20): up to 300 hp.
What is the vehicle tax in Kazakhstan?
For 2026, for a car under 10 years old: Q7 II (4M) — about 42 425 ₸, RX IV (AL20) — about 68 375 ₸ (base engine). A 0.7 factor applies to cars aged 10–20 years and 0.5 to cars over 20.