Mercedes-AMG GLA (2020 – 2023) vs Audi RS 3 Sportback (2021 – 2024): specs compared

The Mercedes-AMG GLA is the more powerful of the two, with up to 421 hp against 400 hp. The Audi RS 3 Sportback is quicker, reaching 100 km/h in 3.8 s against 4.3 s. The Mercedes-AMG GLA has the higher top speed: 270 km/h against 249 km/h. It uses less fuel, from 7.5 L/100 km against 8.8 L/100 km.

Specification Mercedes-AMG GLA Mercedes-AMG GLA 2020 – 2023 Audi RS 3 Sportback Audi RS 3 Sportback 2021 – 2024
Overview
Origin Germany Germany
Documented years 2020 – 2023 2021 – 2024
Body style — Sportback · Hatchback
Variants 3 1
Fuel Petrol Petrol
Drive AWD AWD
Gearbox Automatic Automatic
Performance
Power 306 – 421 hp 400 hp
Torque 400 – 500 Nm 500 Nm
0–100 km/h 4.3 – 5.1 s 3.8 s
Top speed 249 – 270 km/h 249 km/h
Economy
Fuel economy 7.5 – 9.3 L/100 km 8.8 L/100 km
Dimensions
Length 4,425 mm 4,389 mm
Width 1,803 mm 1,852 mm
Height 1,494 mm 1,435 mm
Wheelbase 2,700 mm 2,631 mm
Curb weight — 1,645 kg

Ranges cover all variants of each car. The highlight marks the best version per row.

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