Alexander Autos LtdTopgear Tuning Authorised Dealer

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    Services available at this Dealer:

    • ECU RemappingECU Remapping
    • Custom ExhaustsCustom Exhausts
    • Engine Carbon CleaningEngine Carbon Cleaning
    • TyresTyres
    • ExhaustsExhausts
    • BrakesBrakes
    • BatteriesBatteries
    • DiagnosticsDiagnostics
    • MOTsMOTs
    • Puncture RepairsPuncture Repairs
    • ServicingServicing
    • Air ConditioningAir Conditioning
    • MOT RepairsMOT Repairs
    • WeldingWelding
    • ClutchesClutches
    • CambeltsCambelts
    • Wheel BalancingWheel balancing


    Welcome to Alexander Autos– Your One-Stop Solution for Premium Vehicle Services in Portsmouth.

    Alexander Autos, we are proud to be a part of the renowned TopGear Tuning dealer network. Our state-of-the-art centre delivers a comprehensive range of specialised automotive services to the Portsmouth area, keeping your vehicle running smoothly and efficiently.

    ECU Remapping in Portsmouth
    ECU remapping is a powerful tool for fine-tuning your vehicle’s performance. By adjusting the software within the engine control unit (ECU), we can transform your vehicle’s capabilities. Our ECU remapping services help unlock hidden horsepower, increase torque, and enhance fuel efficiency, delivering a dynamic and responsive driving experience.

    The importance of quality tyres cannot be overstated. Our tyre services offer a comprehensive solution to your needs, providing a range of top-tier tyres designed to optimise fuel efficiency, ensure maximum grip and safety, and enhance ride comfort. We provide expert advice and installation services, promising durability and performance.

    Our exhaust system services cater to your vehicle’s overall health. A well-maintained exhaust helps maintain fuel efficiency, reduces harmful emissions, and prevents disruptive noise. Whether you need a minor repair or a complete exhaust system replacement, our experts are on hand to ensure optimal vehicle performance.

    Maintain utmost safety with our thorough brake services. From brake pad replacements to brake fluid checks and complete brake system overhauls, we ensure your vehicle’s critical safety component functions flawlessly. Trust us to provide reliable and durable solutions for your braking needs.

    We provide advanced battery services to ensure the heart of your vehicle’s electrical system remains strong. Offering battery checks, replacements, and responsible disposal, we ensure your vehicle starts reliably, and that your lights, radio, air conditioning and other electrical systems continue to function as expected.

    Our advanced diagnostic services utilise state-of-the-art tools to promptly identify potential faults in your vehicle’s engine, transmission, exhaust system, and more. We ensure your vehicle operates at peak performance, enhancing your driving experience and prolonging the lifespan of your vehicle.

    MOTs in Portsmouth
    Our rigorous MOT testing service is designed to ensure your vehicle meets the highest safety and environmental standards. From comprehensive pre-MOT checks to necessary repairs, we take the hassle out of the MOT process and help keep your vehicle roadworthy and compliant.

    Puncture Repairs
    Don’t let a punctured tyre interrupt your journey. Our rapid puncture repair service gets you back on the road quickly, providing a robust and reliable solution that ensures long-lasting safety and performance.

    Regular vehicle servicing is essential to maintain your vehicle’s health. From oil and filter changes to full system checks and preventative maintenance, our comprehensive servicing safeguards your vehicle’s performance, maximises its lifespan and can even enhance its resale value.

    Air Conditioning in Portsmouth
    Stay cool and comfortable year-round with our comprehensive air conditioning services. We offer everything from routine maintenance and refrigerant recharges to diagnosing and fixing leaks. Maintain optimal interior comfort with our expert air conditioning services.

    From minor adjustments to major overhauls, our repair services cover a wide range of needs. We utilise high-quality parts and advanced tools to ensure the reliability and durability of our repairs, restoring your vehicle’s performance and peace of mind on the road.

    Our professional welding services cover everything from minor rust repairs to significant structural work. We ensure your vehicle’s safety and prolong its life using expert techniques and high-quality materials.

    Maintain smooth gear changes and optimal vehicle performance with our clutch services. Whether you require a simple adjustment or a complete clutch replacement, our team ensures that your vehicle’s transmission operates efficiently.

    Avoid potential engine damage with our cambelt replacement services. An essential component, the cambelt (or timing belt) should be replaced at manufacturer-specified intervals. Trust our team to provide expert cambelt services to ensure your engine’s longevity.

    Wheel Balancing
    Eliminate vibrations and ensure a smoother drive with our wheel balancing services. Misbalanced wheels can lead to uneven tyre wear and a less comfortable ride. Our service enhances the lifespan of your tyres and the comfort of your journey.

    Engine Carbon Cleaning
    Keep your engine running like new with our engine carbon cleaning service. By removing harmful carbon deposits, we can improve fuel efficiency, restore horsepower, and reduce emissions, prolonging your engine’s lifespan.

    DPF & EGR Cleaning
    Our Diesel Particulate Filter (DPF) and Exhaust Gas Recirculation (EGR) cleaning services ensure your diesel vehicle performs at its peak. Cleaning these components can improve fuel efficiency, reduce emissions, and prevent potential engine damage.

    Alexander Autos, we pride ourselves on delivering top-notch services tailored to your vehicle’s specific needs. By leveraging the best of technology and our expert team, we ensure that your car receives the care it deserves. Trust us to deliver unparalleled vehicle services in Portsmouth – book your appointment today!


    Alexander Autos Ltd

    Unit 21 Portsmouth Enterprise Centre
    Quartremain Road
    Hampshire PO35QT
    United Kingdom

    Phone: 023 9269 5678

    Opening Hours

    IMPROVED FUEL ECONOMY - by up to 15%

    INCREASED PERFORMANCE - by up to 30%