Radical SR3 XXR 2026 Review, Specs, Price and Mileage (Brochure)
This guide explores the Radical SR3 XXR 2026, delivering a comprehensive overview of its design, performance, specifications, pricing, and fuel efficiency. Discover its track-focused engineering, powerful engine, lightweight construction, and driving dynamics, helping enthusiasts and potential buyers understand why this race car stands out in its competitive segment today.
Pricing
The 2026 Radical SR3 XXR typically starts at approximately $115,990 USD for base configurations, according to Spring Mountain Racing.
| Trim / Configuration | Engine | Base Price (Est.) | High-Spec / Race Ready |
|---|---|---|---|
| SR3 XXR 1340 | 1340cc (205 bhp) | $115,990 | $154,900 – $205,000 |
| SR3 XXR 1500 | 1500cc (232 bhp) | $142,500 | $165,000 – $185,000 |
What’s New for the Radical SR3 XXR 2026
The Radical SR3 XXR 2026 builds on the proven XXR platform with refinements focused on performance, usability, and race readiness. For 2026, it continues to feature enhanced aero efficiency, lightweight construction, and improved driver ergonomics, while benefiting from recent upgrades like advanced data systems, carbon fibre components, and customizable setups. The model also supports expanded global racing series participation, reflecting its growing popularity in championships worldwide. Updates from prior revisions emphasise better handling, reliability, and driver feedback, making it more competitive on track. Additionally, factory options such as upgraded suspension, braking systems, and cockpit configurations allow teams and drivers to tailor the car for different circuits and racing styles, ensuring a sharper, more versatile driving experience.
Previous 4 Years Sales Chart of Radical SR3 XXR 2026
Colour Availability of the Radical SR3 XXR 2026
The 2026 Radical SR3 XXR is available in 7 standard bodywork colours, with an additional bespoke option for customers who want a completely custom shade.
- Brilliant White
- Future Grey
- Spice Yellow
- Gulf Blue
- Stealth Black
- Rosso Red
- Speed Green
Specifications
Exterior Dimensions
| Parameter | Value |
|---|---|
| Length | 160.51 in |
| Width | 70.83 in |
| Height | 43.03 in |
| Wheelbase | 93.31 in |
| Weight | 620 kg (≈ 1,367 lbs) |
Interior Dimensions
| Parameter | Value |
|---|---|
| Seating Layout | Driver + Passenger (tandem or dual seating options available) |
| Seat Type | FIA-spec racing seats with 6-point harness |
| Interior Space | Not officially specified (race-focused cockpit design) |
| Headroom/Legroom | Optimized for racing ergonomics, no OEM road comfort metrics |
Exterior and Interior features
| Category | Features |
|---|---|
| Bodywork | Composite high-downforce body, LMP-style design |
| Aerodynamics | Front splitter, rear diffuser, bi-plane rear wing |
| Chassis | FIA-certified lightweight spaceframe with safety cell |
| Safety | FIA fire extinguisher system, external activation system |
| Lighting | LED running lights, brake lights, central rain light |
| Cockpit Structure | Composite dashboard, optional Halo-style safety structure |
| Seats | Driver & passenger racing seats with 6-point harness |
Infotainment
| System | Features |
|---|---|
| Digital Display | AiM Formula steering wheel with 4.3” TFT screen |
| Data System | Life Racing ECU with full telemetry & logging |
| Video System | SmartyCam onboard camera with GPS tracking |
| Sensors | Brake pressure, steering angle, suspension logging |
| Controls | On-wheel switches, pit limiter, shift lights |
| Dashboard | Backlit touchpad with brake bias adjustment |
Steering and Brake
| Category | Specification |
|---|---|
| Steering System | AiM Formula steering wheel with integrated controls |
| Gear Control | Paddle shift system with auto-blipper |
| Brake Calipers | Radical bespoke four-pot calipers |
| Brake Discs | 280 mm x 25 mm fully floating, 48-vane ventilated |
| Brake Features | Brake bias adjuster, pressure sensors |
| Safety Brake System | FIA fire suppression system included |
Tires and Wheels
| Component | Specification |
|---|---|
| Front Wheels | 8″ × 15″ Braid center-lock alloy |
| Rear Wheels | 10.5″ × 16″ Braid center-lock alloy |
| Tires | Hankook Racing slick & wet compounds |
| Type | Motorsport center-lock racing setup |
Engine
| Variant | Specification |
|---|---|
| Base Engine | 1340cc inline-4 RPE 5th Gen |
| Power | 205 bhp |
| Optional Engine | 1500cc inline-4 RPE |
| Power (Upgrade) | 232 bhp |
| Redline | 10,000 RPM |
| Fuel System | Electronic drive-by-wire, fuel injection |
| Lubrication | Bespoke dry sump system |
| ECU | Life Racing ECU with telemetry |
| Exhaust | Hi-flow racing exhaust system |
| Cooling | Laminova heat exchanger system |
Drivetrain
| Component | Specification |
|---|---|
| Gearbox | 6-speed sequential racing transmission |
| Shifting | Paddle-activated with auto-blipper |
| Differential | Quaife limited-slip differential |
| Final Drive | Interchangeable gear ratios |
| Drive Type | Rear-wheel drive (RWD) |
Fuel and MPG
| Category | Specification |
|---|---|
| Fuel Tank | FIA-certified 77-liter (20 US gal) fuel cell |
| Fuel Type | Racing fuel / biofuel (E85 compatible) |
| Consumption | ~1 liter per minute (track use) |
| MPG Equivalent | ~5–8 MPG (race conditions) |
| Race Duration | ~40–50 minutes per full tank |
Battery and Range
| Category | Specification |
|---|---|
| Battery Type | Lithium-ion racing battery |
| Charging | Trickle-charger included |
| Purpose | ECU, electronics, ignition support |
| Electric Range | Not applicable (non-hybrid race car) |
Frequently Asked Questions
What engine and power output does the Radical SR3 XXR 2026 use?
The Radical SR3 XXR 2026 is powered by a 1.5-litre RPE racing engine producing around 232 hp and is capable of running on biofuel.
What are the performance specs (acceleration and top speed) of the Radical SR3 XXR 2026?
While exact 0‑60 mph/mileage data specifically for 2026 isn’t widely published, previous SR3 XXR variants deliver blistering acceleration and performance typical of purpose‑built racing cars — with 0‑60 mph in roughly 3.1 sec and top speeds in the high 140s mph range for related SR3 models.
Is the Radical SR3 XXR 2026 suitable for road use or only track?
The Radical SR3 XXR 2026 is primarily track‑focused and race‑ready, not designed as a conventional road car; its design prioritises ultra‑lightweight performance and racing dynamics.
What kind of transmission does the Radical SR3 XXR 2026 use?
The Radical SR3 XXR 2026 uses a six‑speed sequential gearbox with paddle shifts, offering rapid gear changes tailored for racing and track performance.
