Buyers Guide9/22/202515 min readBy Helen White

MG HS: The Ultimate Buyer's Guide

Thinking of buying an MG HS? This guide is crucial for navigating potential pitfalls and making an informed decision. We'll cover common problems, repair costs, and what to look for to avoid expensive surprises down the road, ensuring you get the best value for your money.

MG HS: The Ultimate Buyer's Guide

1. Most Expensive Problems to Avoid

Before committing to an MG HS, be aware of the potential for major engine and transmission failures. These issues can lead to repair bills exceeding £3,000. Always get a thorough inspection, including diagnostic scans and a detailed mechanical assessment.

Major Component Failure Warning

Engine or transmission failure can cost upwards of £3,000 to repair or replace. Factor this risk into your purchase decision. A pre-purchase inspection can help identify potential issues before they become catastrophic.

Ready to check a specific car?

Don't wait until you've already bought it! Get a detailed analysis of any car listing to discover hidden problems and repair costs before you commit.

2. Engine Problems

Several owners have reported issues with the MG HS engine, including oil leaks, misfires, and in some cases, complete engine failure. These problems seem more prevalent in earlier models (2019-2020). Regular servicing and careful monitoring of engine performance are essential.

Key Points:

  • * Oil Leaks: Check for oil leaks around the engine block, valve cover, and oil pan. Small leaks can often be fixed relatively cheaply, but if ignored, they can lead to more serious problems.
  • * Misfires: A misfiring engine can indicate issues with spark plugs, ignition coils, or fuel injectors. Diagnosis is crucial to avoid further damage.
  • * Engine Failure: In severe cases, engine failure has been reported, often requiring a complete engine replacement. Listen for unusual noises and watch for warning lights on the dashboard. This is where SpecSnag really comes into play - thoroughly investigate any error codes.
  • * Turbocharger Issues (if applicable): On turbocharged models, inspect the turbocharger for signs of wear or damage. Whining noises or a loss of power can indicate a problem.

Repair Cost

£500 - £3,500+

Urgency

High. Ignoring engine problems can lead to significant damage and costly repairs.

Engine Warning Signs

Be wary of unusual engine noises, excessive oil consumption, or warning lights on the dashboard. These could indicate serious underlying problems. Budget for potential engine repairs, especially on older models.

3. Transmission Issues

Both manual and automatic transmissions in the MG HS have experienced problems. Manual transmissions can suffer from clutch slippage and difficulty shifting, while automatic transmissions may exhibit jerky shifting or complete failure. Regular transmission fluid changes are vital.

Key Points:

  • * Clutch Slippage (Manual): If the engine revs increase without a corresponding increase in speed, the clutch may be slipping. This requires clutch replacement.
  • * Difficult Shifting (Manual): Difficulty engaging gears or grinding noises can indicate worn synchromesh or other transmission damage.
  • * Jerky Shifting (Automatic): Rough or uneven gear changes in automatic transmissions can signal problems with the valve body or torque converter.
  • * Transmission Failure (Automatic): Complete transmission failure is a serious issue requiring extensive repairs or a replacement transmission.

Repair Cost

£400 - £4,000+

Urgency

High. Transmission problems can quickly escalate, leading to complete failure.

Transmission Trouble Signs

Pay close attention to how the transmission shifts. Any unusual noises, vibrations, or difficulty shifting gears should be investigated immediately. Ignoring these signs can result in expensive repairs.

4. Electrical Problems

The MG HS, like many modern vehicles, relies heavily on its electrical system. Owners have reported issues with the infotainment system, central locking, and various sensors. Faulty wiring and corroded connectors are common culprits.

Key Points:

  • * Infotainment System Issues: Freezing, crashing, or unresponsive touchscreens are common complaints. Software updates may resolve some issues, but hardware faults can be more costly.
  • * Central Locking Problems: Failure of the central locking system can be frustrating and potentially a security risk.
  • * Sensor Malfunctions: Faulty sensors can trigger warning lights and affect engine performance or safety systems.
  • * Battery Drain: Unexplained battery drain can indicate a parasitic draw in the electrical system. Diagnosing and fixing this can be time-consuming.

Repair Cost

£100 - £1,000+

Urgency

Medium. Electrical problems can range from minor inconveniences to major system failures.

Electrical System Warnings

Check all electrical functions thoroughly before buying. Test the infotainment system, central locking, and all lights. Be aware that electrical problems can be difficult and expensive to diagnose.

5. Suspension & Safety Issues

Suspension components and safety systems should be carefully inspected on any used MG HS. Worn suspension parts can affect handling and ride comfort, while malfunctioning safety systems can compromise safety. Listen for noises and test all safety features.

Key Points:

  • * Worn Suspension Components: Check for worn shock absorbers, ball joints, and bushings. These can cause excessive bouncing, poor handling, and uneven tire wear.
  • * Brake Problems: Inspect brake pads, rotors, and calipers for wear or damage. Ensure the ABS system is functioning correctly.
  • * Airbag Issues: Check for airbag warning lights. A malfunctioning airbag system can compromise safety in the event of a collision.
  • * Steering Issues: Listen for noises when turning the steering wheel and check for excessive play in the steering. If you find any issues using SpecSnag it may be worth having a professional check it out.

Repair Cost

£200 - £800+

Urgency

Medium to High. Suspension problems affect handling and safety. Safety system malfunctions can have serious consequences.

Safety First

Prioritize safety when inspecting an MG HS. Ensure all safety systems are functioning correctly and address any suspension or brake issues promptly. Don't compromise on safety.

6. Rust & Bodywork Concerns

Although relatively new, checking for rust and signs of poor bodywork repair is still essential. Inspect the underbody, wheel arches, and door sills for any signs of corrosion. Look for mismatched paint or uneven panel gaps, which could indicate accident damage.

Key Points:

  • * Rust on Underbody: Check the underbody for rust, especially around seams and joints. Surface rust can be treated, but severe corrosion may require more extensive repairs.
  • * Wheel Arch Rust: Inspect the wheel arches for signs of rust, as this is a common area for corrosion.
  • * Poor Bodywork Repairs: Look for mismatched paint, uneven panel gaps, or signs of filler, which could indicate previous accident damage.
  • * Water Leaks: Check for water leaks in the cabin, especially around the windows and sunroof. Leaks can lead to rust and mold growth. Remember to check SpecSnag for any reported bodywork issues

Repair Cost

£150 - £2,000+

Urgency

Low to Medium. Rust can spread and damage structural components. Poor bodywork can affect resale value.

Bodywork Inspection

Thoroughly inspect the bodywork for rust and signs of damage. Pay attention to panel gaps and paint finish. Accident damage can affect the car's structural integrity and resale value.

7. Pre-Purchase Inspection Checklist

Before finalizing your purchase, use this checklist to ensure you're making an informed decision. A pre-purchase inspection by a qualified mechanic is highly recommended.

Pre-Purchase Inspection

  • Engine: Check for leaks, unusual noises, and smooth running.
  • Transmission: Test shifting in all gears (manual and automatic).
  • Electrics: Verify all electrical components are functioning.
  • Suspension: Inspect for worn components and smooth ride.
  • Brakes: Check brake pads, rotors, and ABS function.
  • Bodywork: Inspect for rust, damage, and poor repairs.
  • Documentation: Verify service history and ownership.
  • Diagnostic Scan: Perform a diagnostic scan to check for stored error codes.
  • Test Drive: Take an extended test drive to assess overall performance.

Conclusion

The MG HS can be a decent value proposition, but it's crucial to go in with your eyes open. Be vigilant about potential engine and transmission issues, thoroughly inspect the electrics, and don't skip the suspension and bodywork checks. A pre-purchase inspection by a trusted mechanic is highly recommended. By understanding the common problems and knowing what to look for, you can make an informed decision and potentially save yourself a lot of money and headaches.

Looking to buy a vehicle?

Paste the listing URL and our service will analyze the listing and tell you the most common problems, hidden costs, buying advice and tips to get the best deal for that particular vehicle.