2026 Lexus RX vs 2026 Mercedes-Benz GLB
Comparison Overview
The 2026 Lexus RX immediately captures attention with its potent 275 hp and 317 lb-ft of torque, promising a smoother, more powerful drive, despite its higher $49,725 MSRP and lower 25 combined MPG. Conversely, the 2026 Mercedes-Benz GLB captivates with its efficiency and accessible entry point, starting at just $43,800 while achieving 28 combined MPG from its 221 hp engine. The Lexus offers substantially more presence at 192.5 inches long, contrasting with the GLB's more compact 182.4-inch footprint. While the RX boasts a generous 29.6 cu ft of cargo space, the GLB is engineered for maneuverability. This comparison pits Lexus's refined power against Mercedes-Benz's pragmatic efficiency and lower initial cost, forcing buyers to weigh the $5,925 price premium for superior acceleration.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2026 Mercedes-Benz GLB
The Mercedes-Benz GLB wins for commuters due to its superior fuel economy, delivering 28 combined MPG versus the Lexus RX's 25.
2026 Lexus RX
The Lexus RX offers significantly more room for family needs, boasting 29.6 cu ft of cargo capacity compared to the GLB's 22 cu ft.
2026 Lexus RX
The Lexus RX is the enthusiast's choice, featuring 275 hp and 317 lb-ft of torque, easily outpacing the GLB's 221 hp.
2026 Mercedes-Benz GLB
The Mercedes-Benz GLB provides better value by having a significantly lower starting MSRP of $43,800 versus the RX's $49,725.
Choose the Lexus RX if...
- You prioritize superior acceleration, benefiting from 275 horsepower.
- You require maximum utility, as the Lexus RX provides 29.6 cu ft of cargo capacity.
- You prefer the refined feel of an 8-speed shiftable automatic transmission over an automated manual.
Choose the Mercedes-Benz GLB if...
- Your budget is tighter, with a starting MSRP of $43,800.
- Maximizing fuel efficiency is critical, thanks to its 33 MPG highway rating.
- You value a smaller vehicle footprint, measuring 182.4 inches in length for easier city navigation.
Key Dimensions
| Dimension | Lexus RX | Mercedes-Benz GLB |
|---|---|---|
| Length | 192.5" | 182.4" |
| Width | 75.6" | 72.2" |
| Height | 67.3" | 66.7" |
| Wheelbase | 112.2" | 111.4" |
Features Comparison
Safety
| Feature | Lexus | Mercedes-Benz |
|---|---|---|
| Blind Spot Monitor | ✓ | ✓ |
| Lane Departure Warning | ✓ | — |
| Lane Keeping Assist System | ✓ | — |
| Rear Cross Traffic Alert | ✓ | — |
| Pre-Collision Safety System | ✓ | ✓ |
| Post-Collision Safety System | ✓ | ✓ |
| Dual Front Side-Mounted Airbags | ✓ | ✓ |
| Dual Rear Side-Mounted Airbags | ✓ | — |
| Front Head Airbags | ✓ | ✓ |
| Rear Head Airbags | ✓ | ✓ |
| Passenger Airbag Occupant Sensing Deactivation | ✓ | ✓ |
| Electronic Stability Control | ✓ | ✓ |
| Traction Control System | ✓ | ✓ |
| LATCH System | ✓ | ✓ |
| Rear Door Child Safety Locks | ✓ | ✓ |
| Anti-lock Brakes (ABS) | 4-Wheel | 4-Wheel |
| Front Ventilated Disc Brakes | ✓ | ✓ |
| Rear Ventilated Disc Brakes | ✓ | — |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| Headlight Delay-Off | ✓ | ✓ |
| LED Headlights | ✓ | ✓ |
| Daytime Running Lights | ✓ | ✓ |
| Front Fog Lights | ✓ | ✓ |
| Integrated Turn Signal Mirrors | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Height Adjustable Headrests | ✓ | ✓ |
| Rear Headrests | 3 | 3 |
| Rear Height Adjustable Headrests | ✓ | ✓ |
| Rear Center 3-Point Seatbelt | ✓ | ✓ |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Driver Attention Alert | — | ✓ |
| Brake Drying | — | ✓ |
| Rear Solid Disc Brakes | — | ✓ |
| Brake Preparation System | — | ✓ |
Engine
| Feature | Lexus | Mercedes-Benz |
|---|---|---|
| Base Engine Displacement | 2.4 L | 2.0 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | gas | mild hybrid |
| Horsepower | 275 hp @ 6000 rpm | 221 hp @ 5500 rpm |
| Torque | 317 lb-ft @ 1700 rpm | 258 lb-ft @ 1800 rpm |
| Number of Valves | 16 | 16 |
| Camshaft Type | Double overhead cam (DOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
Drive Train
| Feature | Lexus | Mercedes-Benz |
|---|---|---|
| Transmission Type | 8-speed shiftable automatic | 8-speed automated manual |
| Drivetrain Type | front wheel drive | front wheel drive |
Fuel
| Feature | Lexus | Mercedes-Benz |
|---|---|---|
| Fuel Type | premium unleaded (recommended) | premium unleaded (required) |
| EPA Fuel Economy (City/Highway) | 22/29 MPG | 25/33 MPG |
| EPA Fuel Economy (Combined) | 25 MPG | 28 MPG |
| EPA Driving Range (City/Highway) | 391.6/516.2 mi. | 397.5/524.7 mi. |
| Fuel Tank Capacity | 17.8 gal. | 15.9 gal. |
Comfort & Convenience
| Feature | Lexus | Mercedes-Benz |
|---|---|---|
| Push Button Start | ✓ | ✓ |
| Power Tilt and Telescopic Steering Wheel | ✓ | — |
| Transmission Controls on Steering Wheel | ✓ | ✓ |
| Cruise Control on Steering Wheel | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Rear View Camera | ✓ | ✓ |
| Front Parking Sensors | ✓ | ✓ |
| Rear Parking Sensors | ✓ | ✓ |
| Wireless Charging Pad | ✓ | — |
| Adaptive Cruise Control | ✓ | — |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | ✓ |
| Front Seatback Storage | ✓ | ✓ |
| Leather Steering Wheel | ✓ | ✓ |
| Three Zone Climate Control | ✓ | — |
| Rear Ventilation Ducts with Fan Control | ✓ | — |
| Interior Air Filtration | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | ✓ |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Tilt and Telescopic Steering Wheel | — | ✓ |
| Driver Assisted Parking Assist | — | ✓ |
| Cruise Control | — | ✓ |
| Overhead Console with Storage | — | ✓ |
| Dual Zone Climate Control | — | ✓ |
| Rear Ventilation Ducts | — | ✓ |
In Car Entertainment
| Feature | Lexus | Mercedes-Benz |
|---|---|---|
| Infotainment Display | 9.8 in | 10.25 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 12 | — |
| Subwoofer Count | 1 | — |
| Android Auto (Wireless) | ✓ | ✓ |
| Apple CarPlay (Wireless) | ✓ | ✓ |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 3 months | 6 months |
Power Feature
| Feature | Lexus | Mercedes-Benz |
|---|---|---|
| One-Touch Power Windows | 4 | 4 |
| Keyless Entry | ✓ | — |
| Reverse Tilt Dual Mirrors | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
| Remote Keyless Entry | — | ✓ |
Frontseats
| Feature | Lexus | Mercedes-Benz |
|---|---|---|
| Front Head Room | 39.5 in. | 40.7 in. |
| Front Leg Room | 41.1 in. | 41.1 in. |
| Front Shoulder Room | 58.1 in. | 55.9 in. |
| Front Hip Room | 56.7 in. | — |
| Seat Material: Leatherette | ✓ | ✓ |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Power Adjustments | 8-way | 8-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | Power |
| Passenger Seat Power Adjustments | 8-way | 8-way |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | Power |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Driver Seat Thigh Extension | — | ✓ |
| Driver Seat Memory Settings | — | 3 |
| Passenger Seat Thigh Extension | — | ✓ |
| Passenger Seat Memory Settings | — | 3 |
Rearseats
| Feature | Lexus | Mercedes-Benz |
|---|---|---|
| Rear Head Room | 38.6 in. | 39.3 in. |
| Rear Leg Room | 37.4 in. | 38.1 in. |
| Rear Shoulder Room | 56.5 in. | 54.9 in. |
| Rear Hip Room | 55.9 in. | — |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Reclining Rear Seats | ✓ | ✓ |
| Folding Center Armrest | ✓ | ✓ |
Tires and Wheels
| Feature | Lexus | Mercedes-Benz |
|---|---|---|
| Painted Alloy Wheels | ✓ | — |
| Polished Alloy Wheels | ✓ | — |
| Wheel Size | 19 x 8.0 in | 18 x 7.5 in |
| Tire Type | All Season | — |
| Tire Size | ✓ | 235/55R18 |
| Spare Tire Type | Temporary | — |
| Spare Tire Location | Inside Mounted | — |
| Wheel Material | — | Alloy |
| Run Flat Tires | — | ✓ |
Suspension
| Feature | Lexus | Mercedes-Benz |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Lexus | Mercedes-Benz |
|---|---|---|
| Basic Warranty | 4 yr./ 50000 mi. | 4 yr./ 50000 mi. |
| Drivetrain Warranty | 6 yr./ 70000 mi. | 4 yr./ 50000 mi. |
| Corrosion/Rust Warranty | 6 yr./ unlimited mi. | 4 yr./ 50000 mi. |
| Roadside Assistance | 4 yr./ unlimited mi. | 4 yr./ 50000 mi. |
| Complimentary Scheduled Maintenance | 1 yr./ 10000 mi. | — |
| Hybrid Component Warranty | — | 6 yr./ 62000 mi. |
Frequently Asked Questions
Common questions about comparing the 2026 Lexus RX and 2026 Mercedes-Benz GLB.
How does the driving engagement differ between the 2026 Lexus RX and GLB?
The Lexus RX delivers a more engaging performance experience due to its advantage of 54 more horsepower and higher torque figures, appealing to drivers seeking quick responses. The GLB, while capable, focuses more on efficient and predictable handling consistent with its fuel-economy bias.
Is the extra cost of the Lexus RX worth it over the Mercedes-Benz GLB?
The $5,925 price difference is justified if you require greater power (275 hp vs. 221 hp) and substantially more cargo space (29.6 cu ft vs. 22 cu ft). If efficiency and budget are paramount, the GLB offers superior value.
Which vehicle is more economical regarding running costs, considering fuel requirements?
The Mercedes-Benz GLB is generally more economical, achieving 28 combined MPG compared to the RX's 25, and while both recommend premium fuel, the GLB's better mileage offsets initial costs.
How do the size and physical dimensions compare?
The Lexus RX is the larger vehicle, extending 192.5 inches long and 75.6 inches wide, offering a more imposing presence. The GLB is notably more compact at 182.4 inches long and 72.2 inches wide, which aids in tight parking situations.
Do these FWD crossovers handle towing or heavy hauling differently?
While both are listed as front-wheel drive, the Lexus RX’s higher torque output of 317 lb-ft suggests a potentially stronger capability for moderate towing or hauling tasks than the GLB's 258 lb-ft, although specific tow ratings are not provided.
Are the transmissions fundamentally different in operation?
Yes, the Lexus RX uses a traditional 8-speed shiftable automatic for potentially smoother transitions during spirited driving. The Mercedes-Benz GLB utilizes an 8-speed automated manual, which is often optimized for efficiency but can sometimes exhibit a different feel during shifts.
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