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BMW M2, Audi RS3, Mercedes-AMG A 45 in comparison

Compact athletes in comparison
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E in this comparison, only the M2 is a real two-door coupé, Both the Mercedes and the Audi allow access through four doors. And with a total height of 1,410 millimeters, the BMW is the flattest under the wind, even if the RS3 Sportback is only one centimeter higher. The AMG is the tallest at 1,433 millimeters. The RS3 Sportback has the shortest wheelbase at 2,631 millimeters, the M2 (2,693 millimeters) and the A 45 (2,699 millimeters) are close together.

The BMW is the widest (1,854 millimeters), followed by the Audi (1,800 millimeters) and Mercedes (1,780 millimeters). In addition, the M2 is the longest with a length of 4,468 millimeters, followed again by the 4,343 millimeter long RS3 Sportback and the A 45, which measures 4,299 millimeters in length. Inside, all opponents are trimmed for clarity and a technical look. The standard sports chairs keep the back and thighs of the occupants of all cars in position, even on angled courses.

All three combatants work the ground using a crisp, coordinated sports suspension, whereby the AMG is really dry and hard. Audi and BMW use 19-inch models as standard, with Mercedes 18-inch models must be enough. None of the manufacturers offer cup tires ex works. The adjustable sports steering of the three all do their job well. In terms of weight distribution, the M2 scores with its balance between front and rear against the noticeable top-heaviness of the Mercedes A 45 and the Audi RS3 Sportback. In terms of total weight, the rear-wheel drive M2, at 1,570 kilograms, ranks between the RS3 Sportback (1,595 kilograms) and the 1,555 kilogram A 45.

Starts with 370 hp and rear-wheel drive: the new BMW M2.

Engine and drive: four, five, six

Sport model or naturally aspirated engine: step here as a power source exclusive supercharged in-line engines. Nevertheless, there are enough character-forming differences: The Mercedes-AMG gets the highest output (381 hp) from a 2.0-liter four-cylinder. With 475 Newton meters, it can also handle the strongest torque. The M2 relies on two cylinders and one liter more displacement and brings 370 hp and 465 Newton meters of torque. With the boost function, it provides 500 Newton meters for a short time, but recurring after every upshift.

The RS3 Sportback, with its 2.5-liter and five cylinders, is right in between. It develops 367 hp and, like the M2, generates a torque of 465 Newton meters. Thanks to the highest performance in combination with permanent all-wheel drive, the A 45 takes the sprint crown: The Stuttgart-based car crashes to 100 km /h in 4.2 seconds. The RS3 Sportback, which is also all-wheel-drive, leaves a tenth of a second in the reference sprint, just like the rear-wheel drive M2. The BMW manages this time with the optional seven-speed dual clutch transmission. With the standard six-speed manual gearbox, 4.5 seconds pass before the speedometer needle reaches the three-digit range.

Tobias Sagmeister
The Audi RS3 Sportback goes all out with 367 hp and all-wheel drive.

The top speed is limited to 250 km /h for all three athletes, but more is possible for a surcharge: the M2 and A 45 then race up to 270 km /h, the RS3 Sportback manages 280 km /h. When it comes to test bench consumption, the manually operated M2 8.5 and the DKG variant treat themselves to 7.9 liters per 100 kilometers. The RS3 Sportback comes with 8.1 liters and the A 45 with 6.9 liters; both shift with a seven-speed dual-clutch transmission as standard. It will be exciting to compare the three Nordschleife times. According to BMW, the M2 should complete the route in 7:58 minutes. The pre-facelift A-45 with 360 hp took 8:10 minutes. It is questionable how much the new set-up and the 21 additional horsepower brought after the facelift. We still have the current RS3 Sportbackno Nordschleife time determined.

Expensive BMW M2

If the equipment is well equipped, the three opponents are quite close in terms of price: The Mercedes-AMG A 45 is the cheapest at 51,051 euros, followed by the Audi RS3 Sportback at 52,700 Euro. The new BMW M2 is the most expensive in this group at 56,700 euros. In comparison, the customer gets the most performance and the best acceleration for his money with the Mercedes.

Awesome performance: The Mercedes-AMG A 45 throws 381 hp and all-wheel drive into the ring.

The A 45 is considered to be a concentrated riot maker, although at a first Ausfahrt was fun: 'This is how the Mercedes-AMG A 45 takes off after the long start-finish straight Eurospeedway from over 200 km /h without bitching or q to resist, brake far into the curve, accelerate powerfully out of tight turns and turn light-footed and with a powerful voice up to over 6,000 /min. '

Even if the RS3 Sportback as something More dignified applies, as it easily clouds every little water: 'The five-cylinder turbo always has 465 Nm ready between 1,625 and 5,550, turbo holes and other irregularities cannot be detected, it works like a large-volume vacuum cleaner, but sounds better', so our tester . The M2 wants to score with the best drivability right up to the limit - the first tests will show whether BMW has achieved its goal.


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