BMW X6 vs Mercedes-Benz GLS

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

Better figure, where one is clearly better

X6 compared with GLS
BMWX6Mercedes-BenzGLS
Overview
ReleasedNovember 20192019
Performance
PowertrainMild hybridMild hybrid
Power294–617 bhp (better)362 bhp
0–62 mph3.9–6.1 s (better)5.7 s
Top speed145–155 mph155 mph
Engine or motorsxDrive40i: 2,998 cc six-cylinder petrol with 48 V mild hybrid, 280 kW (381 hp); xDrive30d: 2,993 cc six-cylinder diesel with 48 V mild hybrid, 219 kW (298 hp); xDrive40d: same diesel, 259 kW (352 hp); M60i xDrive: 4,395 cc V8 with 48 V mild hybrid, 390 kW (530 hp); X6 M Competition: 4,395 cc V8, 460 kW (625 hp); bhp converted from BMW's kW figures2,989 cc six-cylinder diesel, 270 kW (367 hp), plus 17 kW (23 hp) mild-hybrid motor; bhp converted from Mercedes' kW figure
Torque540 Nm (xDrive40i), 670 Nm (xDrive30d), 720 Nm (xDrive40d), 750 Nm (M60i, X6 M Competition)750 Nm
Gearbox8-speed automatic9G-TRONIC 9-speed automatic
DrivexDrive all-wheel driveAll-wheel drive
Range and charging
Economy (WLTP)22.4–39.2 mpg (better)34.9 mpg
EfficiencyWLTP combined: 31.7–32.8 mpg (xDrive40i), 37.7–39.2 mpg (diesels), 23.5–24.1 mpg (M60i), 22.1–22.4 mpg (X6 M Competition)34.9 mpg WLTP combined
CO2 emissions195–202 g/km (xDrive40i), 189–198 g/km (diesels), 267–272 g/km (M60i), 285–289 g/km (X6 M Competition), WLTP combined212 g/km
Practicality
BodySUVSUV
Seats57 (better)
Boot580 litres (better)355 litres
Length4,960 mm5,217 mm
Width2,004 mm1,956 mm
Weight–From 2,706 kg
Boot580 litres, 1,530 litres with the rear seats folded355 litres
TowingUp to 3,500 kg braked with the optional trailer coupling (3,000 kg X6 M Competition)3,500 kg braked, 750 kg unbraked
Size4,960 mm long, 2,004 mm wide (2,212 mm with mirrors), 1,700 mm high; 2,975 mm wheelbase; X6 M Competition 4,948 mm long, 2,019 mm wide, 1,695 mm high; EC unladen weight including a 75 kg driver is 2,240 kg (xDrive40i) to 2,445 kg (X6 M Competition)5,217 mm long, 1,956 mm wide without mirrors (2,164 mm with), 1,823 mm high; 12.52 m turning circle; kerb weight 2,706 kg; 90-litre fuel tank

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