Mercedes-Benz AMG A 45 S vs BMW X4 Comparison 2026: Price, Mileage, Features

Comparison overview: The Mercedes-Benz AMG A 45 S starts at ₹87.00 L and the BMW X4 at ₹96.20 L, a difference of ₹9.20 L ex-showroom. On-road in New Delhi that gap becomes roughly ₹10.21 L. Here is what the extra money actually buys.

Engine and performance: The Mercedes-Benz AMG A 45 S uses a 1,991cc Petrol making 415.71bhp@6750rpm and listed torque with Automatic. The BMW X4 uses a 2,993cc Petrol making 355.37bhp and listed torque with Automatic.

Mileage and running cost: The Mercedes-Benz AMG A 45 S Petrol Automatic is rated at 10 kmpl and the BMW X4 Petrol Automatic at 10.4 kmpl. At 1,000 km a month, the BMW X4 saves you about ₹403.84615384615466 a month and ₹4.85 K a year on fuel.

What one gives that the other does not: The Mercedes-Benz AMG A 45 S adds Brake Assist, Heads-Up Display (HUD), 360 View Camera, Global NCAP Safety Rating and Chrome Grille. The BMW X4 adds Child Safety Locks, Curtain Airbag, Electronic Brakeforce Distribution (EBD), Rear Camera and Pretensioners & Force Limiter Seatbelts. The rest of both spec sheets is shared.

Which one should you buy?

Buy the Mercedes-Benz AMG A 45 S if you drive mostly in the city, you want the lower running cost, and you would rather keep the ₹9.20 L for your down payment than spend it on features.

Buy the BMW X4 if you do regular highway runs, you carry luggage or a pram often, and you want Anti-lock Braking System (ABS) without waiting for the next facelift.

The one thing that settles it: Mercedes-Benz AMG A 45 S offers Brake Assist.

Before you sign anything:

Ex-showroom price is not what you pay. Add registration, road tax, insurance and handling, and expect the final figure to land ten to twelve percent higher. Road tax changes state to state, so a car that costs the same in two cities does not cost the same to own.

Ask the dealer four things before you book. What is the current waiting period for the variant you want. What is the on-road figure.

Then drive both cars back to back on the same day, on a road you actually use. Take your family. Put your usual luggage in the boot. Most people decide in the first ten minutes, and it is rarely for the reason they expected.