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Audi A3 Sportback vs BMW 4 Series Gran Coupé

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

AudiA3 SportbackBMW4 Series Gran Coupé
Overview
ReleasedMay 2020November 2021
Performance
PowertrainPetrol, Mild hybrid, Diesel, Plug-in hybridPetrol, Mild hybrid
Power114–395 bhp181–386 bhp
0–62 mph3.8–9.9 s4.6–7.9 s
Top speed127–174 mph146–155 mph
Engine or motors1.5-litre four-cylinder TFSI (116 or 150 PS; 48V mild hybrid with S tronic), 2.0-litre TDI diesel (150 PS), 1.5 TFSI e-hybrid plug-in hybrid (204 PS system output), 2.0-litre TFSI (333 PS, S3), 2.5-litre five-cylinder TFSI (400 PS, RS 3); bhp converted from Audi's PS figures420i: 1,998 cc four-cylinder turbo petrol, 135 kW (184 hp); current M440i xDrive and Black Edition: 2,998 cc six-cylinder turbo petrol with 48 V mild hybrid, 288 kW (392 hp) total output; bhp converted from BMW's kW figures
Torque220 Nm (116 PS), 250 Nm (150 PS TFSI), 360 Nm (TDI), 350 Nm system (e-hybrid), 420 Nm (S3), 500 Nm (RS 3)300 Nm (420i), 540 Nm (current M440i xDrive and Black Edition)
Gearbox6-speed manual or 7-speed S tronic; 6-speed S tronic on e-hybrid8-speed automatic
DriveFront-wheel drive; quattro four-wheel drive on S3 and RS 3Rear-wheel drive (420i) or all-wheel drive (M440i xDrive)
Range and charging
Zero-emission range (WLTP)87 miles–
Battery19.7 kWh–
Fastest charging50 kW–
Economy (WLTP)30.1–256.8 mpg38.7–42.2 mpg
Range detaile-hybrid WLTP electric range: up to 87 miles combined, depending on trim–
Charginge-hybrid has a 19.7 kWh net (25.7 kWh gross) battery; Audi UK lists 11 kW AC and 50 kW DC (10–80% in 26 minutes). Its UK battery table labels 25.7 kWh as net, contrary to Audi's technical sheet and press release.–
EfficiencyWLTP combined: 47.2–50.6 mpg (116 PS manual), 50.0–53.7 mpg (116 PS S tronic), 46.8–50.2 mpg (150 PS manual), 50.3–53.9 mpg (150 PS S tronic), 56.9–58.2 mpg (TDI), 217.3–256.8 mpg (e-hybrid); depends on trimWLTP combined: 40.4–42.2 mpg (420i), 37.7–38.7 mpg (current M440i xDrive); Black Edition figure omitted because BMW's table does not give credible consumption
CO2 emissions119–138 g/km (TFSI), 127–130 g/km (TDI), WLTP combined152–159 g/km (420i), 166–171 g/km (current M440i xDrive), WLTP combined; Black Edition figure omitted because BMW's table conflicts
Practicality
BodyHatchbackHatchback
Seats55
Boot380 litres470 litres
Length4,352 mm4,783 mm
Width1,816 mm1,852 mm
WeightFrom 1,345 kg–
Boot380 litres, 1,200 litres with the rear seats folded; 280/1,100 litres (e-hybrid), 325/1,145 litres (S3), 282/1,104 litres (RS 3)470 litres, 1,290 litres with the rear seats folded; opens with a hatchback tailgate
TowingUp to 1,300 kg braked (116 PS), 1,500 kg (150 PS), 1,600 kg (TDI)Up to 1,600 kg braked (420i), 1,800 kg (M440i xDrive)
Size4,352 mm long, 1,816 mm wide, 1,441 mm high (RS 3 4,381 x 1,851 mm); weight is Audi UK's unladen figure, 1,345 kg (116 PS manual) to 1,655 kg (e-hybrid)4,783 mm long, 1,852 mm wide (2,073 mm with mirrors), 1,442–1,448 mm high; 2,856 mm wheelbase; EC unladen weight including a 75 kg driver is 1,695 kg (420i) or 1,935 kg (current M440i xDrive and Black Edition)
Tech and safety
Infotainment12.8-inch MMI touch display and 11.9-inch Audi virtual cockpit plus in a curved panel on the 2026 update; MMI navigation from Sport trim–
Driver assistanceRear-view camera with parking system plus; matrix LED headlights and head-up display optional–
Safety ratingEuro NCAP 5 stars (2025 reassessment); adult occupant 86%, child occupant 81%, vulnerable road users 76%, safety assist 74%–
WarrantyHigh-voltage battery 8 years or 100,000 miles (e-hybrid)–

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