RBW Roadster vs Mercedes-Benz Vision EQXX Range, Charging, Price Comparison

	RBW Roadster Mercedes-Benz Vision EQXX

Price	$135,000.00
Our Rating	5.8 5.8
Brand	RBW MERCEDES
Category	Cars Cars

MODEL

Models

RBW Roadster Mercedes-Benz Vision EQXX (Concept EV)

LAUNCH

Announced	2021 January 2022
Status	Limited production, hand-built Concept / Prototype (Not for sale)
Country of origin	United Kingdom Germany
Base Price	$135,000–$140,000 N/A (Concept vehicle)

PERFORMANCE

Power	127–134 hp, rear-wheel drive 241 hp (180 kW), rear-wheel drive
Torque	400 Nm
Acceleration The acceleration numbers are an easy way to compare car performance. We list either time from 0 to 100 km/h or time from 0 to 60mph, depending on which number(s) the manufacturers provide. The lower the acceleration time, the higher performance the car is.	0–60 mph in 7.9–8.9 seconds 6.5 seconds (0–100 km/h
Max Speed	90 mph 150 mph (241 km/h, limited)

BATTERY

Capacity	30 kWh 100 kWh
Tech	Lithium-ion High-silicon anode lithium-ion battery, developed with Mercedes-AMG F1
Range	150–160 miles WLTP (mi WLTP): 747 miles (1,200 km)
Consumption	7.5 mi/kWh (8.3 kWh/100 km)
Recuperation	Regenerative braking Advanced regenerative braking system
Heat Pump
AC Charging	Up to 7 kW, 6–8 hours full charge Up to 11 kW (≈10 hours full charge)
DC Charging	Up to 140 kW (≈30 minutes for 10–80%)
Others	Modular battery system Battery is 50% smaller and 30% lighter than EQS pack

BODY

Type	2-door roadster, 2 seats 4-door coupe, 4 seats
Platform	Bespoke EV chassis Custom lightweight EV prototype architecture
Dimensions	3,800 mm length, 1,520 mm width, 1,250 mm height L 4,975 mm / W 1,870 mm / H 1,348 mm
Drag Co-Efficient	0.17 Cd
Wheelbase	2,800 mm
Clearance	127 mm Low, aerodynamically optimized
Weight	1,150 kg 1,750 kg
Suspension	Double wishbone, coil-over dampers Lightweight double-wishbone (front), multi-link (rear)
Wheels	Classic alloy wheels 20-inch magnesium alloy, low-resistance tires
Trunk/Boot	Small rear boot Moderate, ~400 L (estimated)
Frunk/Bonnet	Small front storage Small storage space for tools/cables
Others	Hand-finished aluminum body Active cooling shutters, solar roof with 117 cells for auxiliary systems

DISPLAYS

Centre	7–9 inch touchscreen 47.5-inch 8K mini-LED one-piece display
Driver's Display	Analog dials with digital readouts Integrated digital instrument cluster
Head-Up	Yes, augmented reality projection
Others	Apple CarPlay and Android Auto Real-time 3D navigation powered by game engine tech

COMFORT

Seats	Hand-stitched leather seats 4 sustainable-material seats (vegan leather, bamboo fiber)
Roof	Soft-top standard, hard-top optional Fixed solar panel roof (extends range up to 15 miles/day)
Parking Aids	Rear camera Full 360° camera, sensors, and autonomous parking
Connectivity	Bluetooth, USB, smartphone mirroring MBUX Hyperscreen software, AI energy management
Others	Air conditioning, electric windows Advanced ambient lighting, intelligent climate zones

SAFETY

Airbags	Yes (prototype safety system)
Driving Aids	Basic ABS and traction control Adaptive cruise, lane assist, emergency braking
Self Driving	Level 2 (concept stage)

Note

Others

Built to order with wide customization options Built primarily as a technology demonstrator to explore ultra-efficiency, aerodynamics, and lightweight engineering.
Sets real-world benchmark for EV range and energy optimization.