BMW iX3 G08 vs Mercedes-Benz GLC X253

BMW iX3

G08 · 2020 – 2026

The first-generation iX3 (G08), BMW’s electric mid-size SUV on the X3’s CLAR platform.

Mercedes-Benz GLC

X253 · 2015 – 2022

The first-generation GLC on the MRA platform.

First car

Second car

Pick this one if…

BMW iX3

Pick the G08 for the electric X3 with a single rear motor, ~74 kWh usable battery and up to ~500 km WLTP range.

Best engine: The iX3 (286 hp, rear-wheel drive) — the only powertrain.

Read the full guide

Pick this one if…

Mercedes-Benz GLC

Pick the GLC for space, comfort and efficient engines in a premium mid-size SUV.

Best engine: The GLC 220 d (diesel) or GLC 250 (petrol) — the sweet spot.

Read the full guide

Performance

iX3 · Electric vs M274 GLC 250 · Petrol

	BMW iX3	Mercedes-Benz GLC
Power	286 hp Winner	211 hp
Torque	400 Nm Winner	350 Nm
0–100 km/h	6,8 s Winner	7,3 s
Top speed	180 km/h	222 km/h Winner
Power-to-weight	131,2 hp/t Winner	121,6 hp/t
CO₂ emissions (WLTP)	0 g/km Winner	152 g/km
Consumption (WLTP)	—	6,5 L/100km

Dimensions & space

	BMW iX3	Mercedes-Benz GLC
Boot	510 L	550 L Winner
Boot (seats folded)	1.560 L	1.600 L Winner
Wheelbase	2,86 m	2,87 m Winner
Length	4,73 m	4,66 m
Ground clearance	17,9 cm	12,3 cm
Turning circle	12,1 m	11,8 m Winner
Towing capacity (braked)	2.000 kg	2.500 kg Winner

Powertrain & tech

	BMW iX3	Mercedes-Benz GLC
Platform	CLAR (electric)	MRA (rear-wheel-drive base)
Drive	Rear-wheel drive	Rear-wheel drive · All-wheel drive
Engine family	Single rear-axle electric motor (PSM, fifth-generation eDrive)	M274/M264 petrol · OM651/OM654 diesel · plug-in hybrid
Transmission	Single-speed automatic	9-speed 9G-TRONIC
Fuel	Electric	Petrol
Euro standard	N/A (electric)	Euro 6
LEZ access	Unrestricted access (compliant under current legislation)	Unrestricted access (compliant under current legislation)

Reliability & watch-outs

Known issues

BMW iX3

12V battery issues (occasional reports)
Parking-sensor/camera faults and interior rattles
Higher tyre wear due to weight and torque

Mercedes-Benz GLC

Early OM651 diesel: timing chain and AdBlue/NOx watch-points
9G-TRONIC: fluid changes recommended earlier than official intervals
AIRMATIC air suspension can leak at high mileage
COMAND/MBUX software glitches (mostly fixed via updates)

Pros

BMW iX3

Facelift (2021) brought better efficiency and range
~74 kWh net battery with 471–505 km WLTP (post-facelift)
DC fast charging up to 150 kW (10–80% in ~32–34 min)

Mercedes-Benz GLC

550 L boot growing to ~1,600 L — roomy for a mid-size SUV
Efficient OM654 2.0 diesel (GLC 220 d: 194 hp / 400 Nm)
MRA rear-wheel-drive platform with optional 4MATIC
GLC 350 e PHEV: 320 hp system output and 560 Nm, company-car friendly

Cons

BMW iX3

Rear-wheel drive only, no xDrive
No frunk, despite the EV concept

Mercedes-Benz GLC

OM651/OM654 diesel: AdBlue/DPF watch-points with lots of short trips
PHEV (GLC 350 e) shrinks boot space (395 L)
Complex electronics and air suspension need dealer maintenance

Driving experience

BMW iX3

The iX3 is refined and composed rather than playful. Steering is accurate and reasonably weighted, body control is good, and the car feels stable and secure at speed. Ride quality is firm but generally well-controlled — better than many early EVs on adaptive suspension, though larger wheels and the M Sport suspension make it busier over poor surfaces. Instant torque makes it quick off the line, and the single-motor rear-drive layout gives balanced, predictable handling without the artificial feel of some dual-motor systems. Cabin noise is low; wind and tyre roar are the main sounds at motorway speeds. Regenerative braking is strong and well-calibrated (one-pedal driving is possible). Overall it drives like a polished, slightly firmer X3 with electric silence and response — competent and relaxing rather than involving.

Mercedes-Benz GLC

Comfortable, quiet and more car-like than its height suggests. The GLC steers accurately with light, consistent weighting, rides well on the standard suspension, and stays hushed at motorway speeds. 4MATIC is standard on most versions and adds sure-footed traction without altering the relaxed character. The M274/M264 petrols are smooth and willing, the OM654 diesel is the economical distance choice, and the 300 e plug-in covers short trips on electric power. The 9G-Tronic shifts unobtrusively. It is a well-rounded, easy-to-live-with compact SUV that does everything competently.