Audi A3 8Y vs Mercedes-Benz A-Class W177

Audi A3

8Y · 2020 – 2026

The fourth-generation A3 (8Y), on the MQB Evo platform.

Mercedes-Benz A-Class

W177 · 2018 – 2026

The fourth-generation A-Class on the MFA2 platform.

First car

Second car

Pick this one if…

Audi A3

Pick the A3 for a premium, digital interior and efficient engines in a compact hatch.

Best engine: The 35 TFSI (1.5, 150 hp, 48V) or 35 TDI (2.0, 150 hp).

Read the full guide

Pick this one if…

Mercedes-Benz A-Class

Pick the A-Class for MBUX technology, a refined platform and efficient engines in a premium compact hatchback.

Best engine: The A 200 (petrol) or A 200 d / A 220 d (diesel) — the sweet spot.

Read the full guide

Performance

EA211 evo 35 TFSI · Petrol vs M282 A 200 · Petrol

	Audi A3	Mercedes-Benz A-Class
Power	150 hp	163 hp Winner
Torque	250 Nm	250 Nm
0–100 km/h	8,4 s	8,0 s Winner
Top speed	224 km/h	230 km/h Winner
Power-to-weight	116,3 hp/t Winner	112,8 hp/t
CO₂ emissions (WLTP)	126 g/km Winner	138 g/km
Consumption (WLTP)	5,5 L/100km	5,0 L/100km Winner

Dimensions & space

	Audi A3	Mercedes-Benz A-Class
Boot	380 L Winner	370 L
Boot (seats folded)	1.200 L	1.210 L Winner
Wheelbase	2,64 m	2,73 m Winner
Length	4,34 m	4,42 m
Ground clearance	14,0 cm	10,4 cm
Turning circle	11,0 m	11,0 m
Towing capacity (braked)	1.500 kg	1.500 kg

Powertrain & tech

	Audi A3	Mercedes-Benz A-Class
Platform	MQB Evo (transverse)	MFA2 (front-wheel-drive base)
Drive	Front-wheel drive · All-wheel drive	Front-wheel drive · All-wheel drive
Engine family	EA211 evo 1.5 TFSI 48V · EA888 2.0 TFSI · EA288 evo 2.0 TDI · 40 TFSI e PHEV	M282/M260 petrol · OM654 diesel · plug-in hybrid
Transmission	S tronic (DSG)	7-speed 7G-DCT
Fuel	Petrol	Petrol
Euro standard	Euro 6d	Euro 6d-TEMP
LEZ access	Unrestricted access (compliant under current legislation)	Unrestricted access (compliant under current legislation)

Reliability & watch-outs

Known issues

Audi A3

Infotainment software (early cars)
S tronic service (DQ200/DQ381)
48V system needs checking

Mercedes-Benz A-Class

M282: thermostat/cooling issues and elevated oil consumption reported
M260 (A 250): cylinder-head valve seat wear reported
Early OM654 diesel: rocker arm / camshaft concerns
DCT fluid service recommended early; MBUX software updates

Pros

Audi A3

Premium, digital interior
Efficient 48V mild-hybrid
Stiff, light MQB Evo body

Mercedes-Benz A-Class

MBUX dual-screen infotainment with voice control
Efficient OM654 diesels (A 200 d: 150 hp / 320 Nm, ~4.2 L/100 km)
Refined MFA2 platform with optional 4MATIC

Cons

Audi A3

Pricier than the VW Golf on the same platform
Rear seats tighter than some rivals

Mercedes-Benz A-Class

Rear torsion beam on base models (multi-link on higher versions)
Smaller boot than a typical C-segment hatchback
PHEV shrinks boot space

Driving experience

Audi A3

Precise, polished and genuinely premium for a compact hatch. Steering is quick and accurate, body control taut, and the A3 feels agile and planted through bends. Front-drive keeps it light and easy, while quattro adds tenacious grip and a more sure-footed feel on the faster versions. The ride is firm but composed, and the cabin stays impressively quiet for the class. The 1.5 TFSI is smooth and eager, the 2.0 TDI pulls strongly and sips fuel, and the 40 TFSI e plug-in glides on electric power. The 7-speed S tronic is quick and slick, the manual precise. Overall a refined, tech-rich compact that drives with real poise.

Mercedes-Benz A-Class

Refined, techy and effortlessly easy to live with. Steering is light and accurate, the ride composed and hushed, and the A-Class feels grown-up and planted on the move. Front-drive is safe and predictable; 4MATIC adds all-weather security on the faster versions. The M282/M260 petrols are smooth and eager, the OM654 diesels pull strongly and stay quiet, and the A 250 e plug-in glides on electric power. The dual-clutch shifts quickly and smoothly. Overall a calm, tech-rich hatch that majors on comfort and connectivity.