Explore all tuning packages in our shop – Klarna, PayPal & Clearpay available at checkout!

Dyno Runs and Power Testing

Dyno Runs and Power Testing – 2WD & 4WD Rolling Road

Dyno Runs and Power Testing

Get accurate and reliable results with our dyno runs and power testing service in Slough, using our state-of-the-art 2WD and 4WD rolling road facility. Whether you want to measure your car’s power and torque output, check performance after modifications, or prepare for future tuning, our dyno runs provide precise real-world data.

Our in-house rolling road allows us to carry out baseline power runs, before-and-after comparisons, and diagnostic testing for both stock and modified vehicles. With the ability to test front-wheel drive, rear-wheel drive, and all-wheel drive cars, we ensure safe, controlled, and accurate results every time.

Located in Slough, near Langley in Berkshire, we are trusted by car enthusiasts, tuners, and performance vehicle owners nationwide for our professional dyno testing and power measurement services.

Why Choose Onyx Performance?

As Seen on Carwow

We’ve been proudly featured on Carwow – a testament to the quality, professionalism, and performance-focused results that set us apart. Watch our feature here to see us in action.

Expertise You Can Trust

With years of experience and deep technical knowledge, our team understands performance vehicles inside and out – from custom remaps to high-end servicing.

Advanced Workshop & Tools

We operate from a state-of-the-art facility in Slough, equipped with cutting-edge diagnostics, dyno testing, and industry-leading tools for accurate, high-quality work.

Tailored Solutions for Every Vehicle

We don’t believe in one-size-fits-all. Every car gets a bespoke approach, ensuring the best results whether it’s a remap, upgrade, or routine service.

Trusted Nationwide

Performance enthusiasts from across the UK come to Onyx because they know they’ll receive premium-quality workmanship, careful attention to detail, and honest advice.

Complete Care, All in One Place

From tuning and servicing to tyres, trackers, and immobilisers – we offer a full suite of services under one roof, all with a strong focus on safety, reliability, and top-tier customer support.

2WD & 4WD Dyno Power Testing in Slough

Book your car for a dyno run on our in-house rolling road and get a detailed power and torque report. Perfect for performance checks, modification results, or pre-tuning assessments. Contact us today to arrange your Slough-based dyno power test.

5-Star Google Reviews
0 +
Years of Experience
0 +
Customer Satisfaction
0 %

Why Choose Onyx Performance for Servicing?

Experts in Performance Cars

We know how to properly care for performance, modified, and luxury vehicles. Our team has the skills and experience to handle specialist requirements confidently.

Correct Service Schedules

Every service follows the exact schedule recommended by your vehicle’s manufacturer, helping maintain performance and protect your warranty.

Quality or OEM Parts

We only use high-quality aftermarket or original manufacturer parts, ensuring long-lasting reliability and top-level performance.

Full Vehicle Inspection

Our service goes beyond just changing oil. We inspect all key systems to keep your car safe, smooth, and road-ready.

Honest Advice, No Surprises

With transparent pricing and expert recommendations, you’ll always know what your car needs – no upselling, no hidden fees.

Fast, Trusted & Tracked

We offer quick turnaround, maintain service records, and send reminders – that’s why customers travel to us from across the UK.

Frequently Asked Questions

What is a dyno run?

A dyno run measures your car’s power, torque, and performance output using a rolling road simulator.

Do you offer both 2WD and 4WD testing?

Yes — we can safely test front-wheel drive, rear-wheel drive, and all-wheel drive cars on our rolling road.

Why should I get a dyno power test?

Dyno testing shows accurate performance figures, useful for diagnostics, modification results, or pre- and post-tuning comparisons.

Is dyno testing safe for my vehicle?

Yes — our rolling road simulates real driving conditions in a controlled environment, ensuring complete safety.

Can I see before-and-after figures if I tune my car?

Absolutely — we can carry out baseline runs before tuning and compare them with post-tuning results.

Do you provide dyno testing outside Slough?

While our rolling road facility is based in Slough, we welcome customers from across Berkshire and nationwide.

Get a quick quote

Drop us a line! or Message us on WhatsApp

Please enable JavaScript in your browser to complete this form.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Scroll to Top