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BMW 4 Series Gran Coupé vs Vauxhall Astra

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

Better figure, where one is clearly better

BMW4 Series Gran CoupéVauxhallAstra
Overview
ReleasedNovember 2021November 2021
Performance
PowertrainPetrol, Mild hybridPetrol, Hybrid, Plug-in hybrid, Electric
Power181–386 bhp129–193 bhp
0–62 mph4.6–7.9 s7.6–9.7 s
Top speed146–155 mph105–140 mph
Engine or motors420i: 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 figures1.2-litre three-cylinder turbo petrol, 130PS (96 kW); Hybrid: 1.2 turbo with 48V battery and a 21 kW (28hp) electric motor in the gearbox, 145PS (107 kW); Plug-in Hybrid: 1.6-litre four-cylinder turbo petrol, 150PS (110 kW), with a 92 kW (125PS) electric motor, 144 kW (195PS) combined; Electric: 115 kW (156PS); bhp converted from Vauxhall's kW figures
Torque300 Nm (420i), 540 Nm (current M440i xDrive and Black Edition)230 Nm (1.2 petrol and Hybrid), 360 Nm combined (Plug-in Hybrid), 270 Nm (Electric)
Gearbox8-speed automatic6-speed manual or 8-speed automatic (130PS), 6-speed e-DCT6 dual-clutch automatic (Hybrid), 7-speed electrified automatic (Plug-in Hybrid), single-speed (Electric)
DriveRear-wheel drive (420i) or all-wheel drive (M440i xDrive)Front-wheel drive
Range and charging
Zero-emission range (WLTP)–52–281 miles
Battery–14–55.4 kWh
Fastest charging–100 kW
Economy (WLTP)38.7–42.2 mpg48.7–122.8 mpg
Range detail–WLTP: Astra Electric 280–281 miles depending on trim (preliminary); Plug-in Hybrid equivalent all-electric range up to 52 miles. Electric battery 55.4 kWh usable, 58.3 kWh total; Plug-in Hybrid battery 14 kWh usable (Opel), 17.2 kWh total (Vauxhall)
Charging–Electric: 100 kW DC, 20–80% in 32 minutes; 11 kW three-phase AC on-board charger, 20–80% in 3 h 20 min; vehicle-to-load. Plug-in Hybrid: 3.7 kW AC on-board charger as standard (20–80% in 4 h 6 min), optional 7.4 kW (2 h 53 min)
EfficiencyWLTP 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 consumptionWLTP combined: 49.6–50.4 mpg (130PS manual), 47.9–48.7 mpg (130PS automatic), 57.6–58.9 mpg (Hybrid), 122.8 mpg (Plug-in Hybrid); 19.5–20.1 kWh/100 km (Plug-in Hybrid), 14.8–15.2 kWh/100 km (Electric)
CO2 emissions152–159 g/km (420i), 166–171 g/km (current M440i xDrive), WLTP combined; Black Edition figure omitted because BMW's table conflicts127–134 g/km (130PS), 108–112 g/km (Hybrid), 49–52 g/km (Plug-in Hybrid), 0 g/km (Electric), WLTP
Practicality
BodyHatchbackHatchback
Seats55
Boot470 litres–
Length4,783 mm4,374 mm
Width1,852 mm–
Boot470 litres, 1,290 litres with the rear seats folded; opens with a hatchback tailgate422 litres below the cover, 1,339 litres with the rear seats folded (petrol and Hybrid); 310 and 1,236 litres (Plug-in Hybrid); 352 and 1,268 litres (Electric); ECIE method
TowingUp to 1,600 kg braked (420i), 1,800 kg (M440i xDrive)1,250 kg braked (130PS manual), 1,400 kg factory-fit or 1,200 kg retailer-fit (130PS automatic), 1,150 kg (Hybrid), 1,380 kg (Plug-in Hybrid); 600–680 kg unbraked; Electric not approved for towing
Size4,783 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)4,374 mm long, 2,062 mm wide with mirrors, 1,441 mm high; 2,675 mm wheelbase; 10.51 m turning circle; kerb weight including a 75 kg driver 1,371 kg (130PS automatic), 1,454 kg (Hybrid), 1,682 kg (Plug-in Hybrid), 1,733 kg (Electric); 52-litre fuel tank (42 litres Plug-in Hybrid)
Tech and safety
Infotainment–10-inch touchscreen and 10-inch digital instrument cluster; wireless Apple CarPlay and Android Auto
Warranty–3 years (first year unlimited mileage, then 60,000 miles); battery 8 years or 100,000 miles (70% capacity)

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