Mercedes , the electric luxury SUV battlefield just got more exciting! At the 2025 IAA Munich motor show, two German automotive giants unveiled their flagship electric SUVs that are destined to compete head-to-head. Mercedes-Benz showcased its GLC with EQ Tech (GLC EV hereon), while BMW debuted the iX3. But which one should grace your driveway?
Table of Contents

Size Matters: Dimensions Face-Off
When it comes to presence and practicality, the Mercedes GLC EV takes the lead in almost every dimension.
Complete Size Comparison
| Dimension | Mercedes GLC EV | BMW iX3 | Winner |
|---|---|---|---|
| Length | 4,845 mm | 4,782 mm | Mercedes (+63mm) |
| Wheelbase | 2,972 mm | 2,897 mm | Mercedes (+75mm) |
| Width | 1,913 mm | 1,895 mm | Mercedes (+18mm) |
| Height | 1,644 mm | 1,635 mm | Mercedes (+9mm) |
| Boot Space | 570L + 128L frunk | 520L + 58L frunk | Mercedes (+120L total) |
The Verdict: In every measurable way, the GLC EV is much larger than the iX3. For families prioritizing space and luggage capacity, the Mercedes offers a clear advantage with significantly more storage.
Power Play: Performance Comparison
Both SUVs pack serious electric punch, but with distinctly different approaches to power delivery.
Performance Specifications
| Spec | Mercedes GLC EV | BMW iX3 | Analysis |
|---|---|---|---|
| Max Power | 483 bhp | 463 bhp | Mercedes wins (+20 bhp) |
| Peak Torque | Not disclosed | 645 Nm | BMW advantage |
| 0-100 kmph | 4.3 seconds | 4.9 seconds | Mercedes faster (-0.6s) |
| Motor Type | Dual PM Synchronous | Mixed (ESM rear + ASM front) | Different philosophies |
Key Insight: The GLC EV can do the sprint in 4.3 seconds, making it 0.6 seconds quicker than the iX3 (4.9 seconds). Mercedes prioritizes raw acceleration, while BMW focuses on efficiency with their mixed motor setup.
Range Reality: Battery & Efficiency
Here’s where the tables turn in BMW’s favor, showcasing their engineering focus on long-distance travel.
Battery & Range Comparison
| Aspect | Mercedes GLC EV | BMW iX3 | Real-World Impact |
|---|---|---|---|
| Battery Capacity | 94 kWh | 107.8 kWh | BMW +14.7% larger |
| WLTP Range | 713 km | 805 km | BMW +92 km advantage |
| Efficiency Focus | Performance-oriented | Range-optimized | Different priorities |
The iX3 has a 107.8 kWh battery with a range of up to 805 km (WLTP), while the GLC has a much smaller 94 kWh battery with a 713 km (WLTP). For road trip enthusiasts, the iX3’s extra 92km of range could be the deciding factor.

Tech War: Features & Innovation
Both vehicles showcase cutting-edge technology that defines the future of luxury electric driving.
Mercedes GLC EV Technology Highlights
Display Innovation:
- 39.1 kWh Hyperscreen (optional) with 1,000 individual LEDs
- Standard: 14″ infotainment + 10.3″ cluster + 14″ passenger display
- ChatGPT integration with MBUX Virtual Assistant
Unique Features:
- Illuminated grille with 942 polycarbonate backlit dots
- Illuminated star pattern in panoramic glass roof
- Dolby Atmos Burmester audio system
BMW iX3 Technology Arsenal
Display Setup:
- 17.9-inch infotainment touchscreen (largest in any BMW)
- BMW’s Panoramic iDrive with dashboard-wide Panoramic Vision screen
- 3D head-up display
Premium Features:
- Harman Kardon audio system
- Advanced ADAS suite
- Panoramic glass roof
The Buying Decision Matrix
Choose Mercedes GLC EV If:
✅ Space is priority: Larger dimensions and storage capacity
✅ Performance matters: Faster acceleration and higher power
✅ Mercedes ecosystem: Prefer MBUX and brand heritage
✅ Visual impact: Love the illuminated grille signature look
Choose BMW iX3 If:
✅ Range anxiety: Need maximum driving distance
✅ Tech enthusiast: Want largest BMW touchscreen ever
✅ Efficiency focused: Appreciate mixed motor setup
✅ BMW loyalist: Prefer iDrive and BMW dynamics
Market Impact & Future Implications
Both act as catalysts for the new design language that both brands will follow henceforth. These vehicles represent more than just models—they’re blueprints for each brand’s electric future.
What This Means for Buyers:
- Technology trickle-down: Features will appear in other models
- Competitive pricing: German rivalry benefits consumers
- Charging infrastructure: Both brands expanding networks
- Resale value: Strong brand heritage ensures retention
The Verdict: Different Champions for Different Needs
There’s no clear winner because both excel in different areas. The Mercedes GLC EV dominates in space, performance, and visual drama, while the BMW iX3 leads in range, screen size, and efficiency.
Bottom Line:
Your choice depends on whether you prioritize weekend performance runs (Mercedes) or worry-free long-distance cruising (BMW). Both deliver the luxury electric SUV experience that German engineering promises.

