BMW XM vs Mercedes-Benz GLC Coupé

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

Better figure, where one is clearly better

XM compared with GLC Coupé
BMWXMMercedes-BenzGLC Coupé
Overview
Released2023July 2023
Performance
PowertrainPlug-in hybridMild hybrid, Plug-in hybrid
Power469–738 bhp (better)194–329 bhp
0–62 mph3.8–5.1 s (better)6.3–8.1 s
Top speed155 mph136–155 mph
Engine or motorsXM 50e: 2,998 cc six-cylinder petrol plus electric motor, 350 kW (476 hp) system output; XM Label: 4,395 cc V8 plus electric motor, 550 kW (748 hp); bhp converted from BMW's kW figuresGLC 220 d: 1,993 cc four-cylinder diesel, 145 kW (197 hp) plus 17 kW mild-hybrid motor; GLC 300: 1,999 cc four-cylinder petrol, 190 kW (258 hp) plus 17 kW; GLC 300 d: 1,993 cc four-cylinder diesel, 198 kW (269 hp) plus 17 kW; GLC 300 e: 150 kW petrol plus 115 kW electric motor, 230 kW (313 hp) system; GLC 300 de: 145 kW diesel plus 115 kW motor, 245 kW (333 hp) system; bhp converted from Mercedes' kW figures
Torque700 Nm (50e), 1,000 Nm (Label)440 Nm (GLC 220 d), 400 Nm (GLC 300), 550 Nm (GLC 300 d), 550 Nm system (GLC 300 e), 750 Nm system (GLC 300 de)
Gearbox8-speed automatic9G-TRONIC 9-speed automatic
DriveM xDrive all-wheel driveAll-wheel drive (4MATIC)
Range and charging
Zero-emission range (WLTP)51–52 miles74 miles (better)
Battery25.7 kWh (better)25.28 kWh
Fastest charging–60 kW
Economy (WLTP)55.4–64.2 mpg39.2–176.6 mpg (better)
Range detailWLTP electric range 49–52 miles (50e) and 47–51 miles (Label); electric top speed 87 mphWLTP electric range 74 miles (both plug-in hybrids); equivalent all-electric range 76 miles (GLC 300 e) or 73 miles (GLC 300 de)
Charging25.7 kWh usable battery; current BMW UK specifications list 11 kW AC and 0–100% in 2 hours 45 minutes, while the original XM and 2024 XM 50e releases list 7.4 kW ACPlug-in hybrids: 25.28 kWh usable battery; 11 kW AC (0–100% in 2.75 hours); DC up to 60 kW (10–80% in 29 minutes)
EfficiencyWLTP combined: 60.1–64.2 mpg and 2.5 miles/kWh (50e), 53.3–55.4 mpg and 2.4–2.5 miles/kWh (Label)WLTP combined, best trim, from Mercedes UK's June 2026 e-brochure: 54.3 mpg (GLC 220 d), 39.2 mpg (GLC 300), 50.4 mpg (GLC 300 d), 128.4 mpg (GLC 300 e), 176.6 mpg (GLC 300 de, Urban Edition; 166.2 mpg on other trims); earlier Mercedes UK figures were 54.4, 39.3, 128.5 and 166.2 mpg; plug-in hybrids 18.3 kWh/100 km (GLC 300 e) or 18.2 kWh/100 km (GLC 300 de)
CO2 emissions100–106 g/km (50e), 115–121 g/km (Label), WLTP combined138 g/km (GLC 220 d), 164 g/km (GLC 300), 146 g/km (GLC 300 d), 51 g/km (GLC 300 e) and 44 g/km (GLC 300 de) weighted
Practicality
BodySUVSUV
Seats55
Boot527 litres545 litres (better)
Length5,110 mm4,764 mm
Width2,005 mm1,890 mm
Weight–From 1,982 kg
Boot527 litres, 1,820 litres with the rear seats folded545 litres (mild hybrids); 390 litres (plug-in hybrids)
Towing2,700 kg braked with the optional trailer coupling2,500 kg (GLC 220 d), 2,400 kg (GLC 300) or 2,000 kg (plug-in hybrids) braked; 750 kg unbraked
Size5,110 mm long, 2,005 mm wide (2,235 mm with mirrors), 1,755 mm high; 3,105 mm wheelbase; EC unladen weight including a 75 kg driver is 2,695 kg (50e), 2,800 kg (Label)4,764 mm long, 1,890 mm wide without mirrors (2,075 mm with), 1,605 mm high (1,614 mm plug-in hybrids); 11.8 m turning circle; kerb weight 1,982 kg (GLC 300) to 2,445 kg (GLC 300 de)

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