Philosophy Specifications Design Engineering Register Interest

Lightweight Electric Sports Car

Speedster

A sub-800 kg electric sports car engineered to deliver pure, analogue driving engagement in a world dominated by heavy, software-overloaded EVs.

<800kg
Target Weight
287bhp
Peak Power
302Nm
Torque
200km
WLTP
Explore
01 — Philosophy

Less weight.
More connection.

Modern electric cars have become appliances — heavy, numb, disconnected. The Speedster exists because electrification should amplify the driving experience, not bury it under two tonnes of battery and sound deadening.

At sub-800 kg, every watt goes to moving you, not mass. Every steering input arrives unfiltered. This is what an electric car should feel like.

01
Lightweight
Sub-800 kg target. A fraction of any production EV. Every component justified, every gram earned.
02
Electric
Instant torque to a car light enough to use it all. No gears, no lag. Two powertrain tiers — 108 kW for the road, 214 kW for the track.
03
Honest
Up to 200 km real-world range estimate. Not a fantasy WLTP number — a realistic target based on the roads this car was built for.
04
Analogue
Physical controls, rotary encoders, motorsport-inspired digital instrumentation. No touchscreen dependence. A human-centred car, not another autonomous appliance.
Yanee Speedster — teal, three-quarter front view
Yanee Speedster E and S trim side by side
02 — Specifications

Two trims. One philosophy.

Same platform. Same chassis. Same differential. The powertrain defines the character.

Yanee Speedster E trim — white
Road
Speedster E
The lightweight road car in its purest form. 108 kW and 193 Nm through less than 750 kg — linear torque delivery, high mid-load efficiency, and a chassis built to make every B-road an event. Accessible, engaging, unfiltered.
  • Weight Target< 750 kg
  • MotorEngiro 205W-12023
  • InverterTurntide / Sevcon Gen5 Size 9
  • Peak Power108 kW (145 bhp)
  • Continuous Power79 kW (106 bhp)
  • Peak Torque193 Nm
  • Continuous Torque130 Nm
  • 0–100 km/h~7.0 s *
  • Top Speed159 km/h (limited)
  • Battery22.5 kWh — NMC
  • Voltage345.6 V nominal
  • DC Charging~52 kW peak
  • BMSWattius MX Pro
  • DriveRWD — LSD (4.88:1 final drive)
  • Tyres175/50R16 or 195/45R16
  • BodyCFRP / GFRP / 3D-printed
  • HomologationUK IVA
Yanee Speedster S trim — teal
Sport
Speedster S
The same chassis turned into a serious performance machine. 214 kW, 302 Nm, motorsport-grade thermal management, and a STARD battery system rated for sustained high-load operation. Built for drivers who want track-level dynamics on a road-legal platform.
  • Weight Target< 800 kg
  • MotorBrusa HSM1-10.18.13-W7
  • InverterBrusa DMC544-C02
  • Peak Power214 kW (287 bhp)
  • Continuous Power103 kW (138 bhp)
  • Peak Torque302 Nm
  • Continuous Torque163 Nm
  • 0–100 km/h~5.2 s *
  • Top Speed199 km/h (limited)
  • Battery22 kWh — STARD
  • Voltageup to 450 V
  • DC Charging45 kW peak / 30 kW continuous
  • CoolingDedicated RESS cooling system
  • DriveRWD — LSD (4.88:1 final drive)
  • Tyres195/45R16 (optional: 205/580R16 race)
  • BodyCFRP / GFRP / 3D-printed
  • HomologationUK IVA

Target values. Final homologation figures may vary. * Estimated. Speed limited for road use — optional unlimited available with waiver for track use.

03 — Design

Born from emotion,
shaped by purpose.

Every surface serves a function. Every line carries intent. The Speedster's form isn't styled — it's resolved. Open wheels, exposed mechanicals, and a silhouette low enough to feel part of the road.

Yanee Speedster front three-quarter detail
Yanee Speedster rear three-quarter
Yanee Speedster overhead cockpit view
Yanee Speedster side rear profile
Yanee Speedster side front profile
"Emozione — the driving force behind the Speedster's design. The thrill of driving it, of looking at it, of owning it. A creature with a strong persona, waiting to share all its energy with you."
Luca Biselli — Lead Designer
04 — Engineering

Proven components.
Purpose-built integration.

The Speedster integrates motorsport-grade components into a platform engineered from the ground up for one thing: driving. Same chassis, same differential, same philosophy — two fundamentally different performance levels.

Powertrain
Two powertrain tiers on a shared RWD platform. The E trim pairs an Engiro motor with a Turntide inverter for linear, efficient road performance — 108 kW, 193 Nm. The S trim steps up to a Brusa HSM1 motor and DMC544 inverter — 214 kW, 302 Nm, with thermal headroom for sustained track use. Both drive through a mechanical limited-slip differential with 4.88:1 final drive.
Battery System
Two battery strategies, same philosophy: keep it light, keep it usable. The E trim runs a 22.5 kWh NMC pack with a Wattius MX Pro BMS and 52 kW DC fast charging. The S trim uses a 22 kWh STARD pack rated to 450 V with dedicated RESS cooling for motorsport-grade thermal stability. Both prioritise power density over range marketing.
Chassis & Body
Motorsport-derived tubular frame developed from the ground up — not adapted from a donor vehicle. Body panels combine CFRP for structural stiffness, GFRP for impact-tolerant exterior surfaces, and 3D-printed components for complex geometries without tooling cost. UK IVA homologation path.
Drivetrain
6082 billet aluminium casings with a 180 mm crown wheel and pinion, combined with the smooth operation of a limited-slip differential. 3×2 spiral gear technology delivers progressive, variable traction — based on throttle input, you control how much traction is applied. Finesse where it matters, grip when you need it.
Engineering & Manufacturing Partners
STARD Engiro Brusa Turntide Raeon Wattius SGS Racing Blink Marine
05 — Context

How it compares.

Two trims that bracket the competition. The E undercuts on weight. The S matches on power.

Weight Power Torque Powertrain Type
Yanee Speedster E < 750 kg 108 kW 193 Nm Electric Open-wheel
Yanee Speedster S < 800 kg 214 kW 302 Nm Electric Open-wheel
Caterham Seven 340 ~540 kg 126 kW 180 Nm Petrol Open-wheel
Ariel Atom 4 ~595 kg 240 kW 300 Nm Petrol Open-wheel
KTM X-Bow GT-XR ~1,130 kg 221 kW 400 Nm Petrol Enclosed
Longbow Speedster ~895 kg 240 kW — Electric Open
Yanee Speedster E
Weight
< 750 kg
Power
108 kW
Torque
193 Nm
Powertrain
Electric
Type
Open-wheel
Yanee Speedster S
Weight
< 800 kg
Power
214 kW
Torque
302 Nm
Powertrain
Electric
Type
Open-wheel
Caterham Seven 340
Weight
~540 kg
Power
126 kW
Torque
180 Nm
Powertrain
Petrol
Type
Open-wheel
Ariel Atom 4
Weight
~595 kg
Power
240 kW
Torque
300 Nm
Powertrain
Petrol
Type
Open-wheel
KTM X-Bow GT-XR
Weight
~1,130 kg
Power
221 kW
Torque
400 Nm
Powertrain
Petrol
Type
Enclosed
Longbow Speedster
Weight
~895 kg
Power
240 kW
Torque
—
Powertrain
Electric
Type
Open

All competitor figures from publicly available sources. Longbow figures are manufacturer claims; vehicle is pre-production.

Yanee Speedster E and S — rear elevated view
06 — Join

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