IsItAGoodCar
Reliability Guide

Common Problems with the
1986 Rover 800 Series

Launch of the original Rover 800 saloon (Project XX), co-developed with Honda and featuring 2.0-litre M-Series four-cylinder and Honda 2.5/2.7-litre V6 engines.

What changed for 1986

  • •Saloon bodyshell launched featuring Honda-engineered front-wheel-drive platform
  • •Rover M-Series 2.0-litre 16v twin-cam petrol engine introduced
  • •Honda C25A 2.5-litre V6 launched, upgraded to C27A 2.7-litre in 1988
  • •Fastback five-door hatchback body style introduced to the range in 1988

Common MOT watch-outs

  • !Severe corrosion along inner sills, suspension mountings, and rear wheel arches
  • !Electrical connection failures causing headlight, indicator, and brake lamp faults
2
Known Issues
0
Serious
2
Moderate
0
Minor

All Known Issues

Rust on Rear Wheel Arches

ModerateBodywork & Rust

The rear wheel arches are prone to rusting, which can spread and become structural if left untreated.

Est. Repair Cost: £200–£600
Warning Signs:

Bubbling paint on rear arches, Visible corrosion, MOT failure

What to Inspect:
  • Inspect the rear arches carefully for rust
Verified by IsItAGoodCar Research Team

Electrical Gremlins (Windows, Central Locking)

ModerateElectrics & Electronics

The 800 series is known for various electrical issues, including failing electric windows, central locking faults, and intermittent dashboard warning lights. These are often age-related wiring and relay issues.

Est. Repair Cost: £50–£300
Warning Signs:

Windows not working, Central locking intermittent, Random dashboard warning lights, Trip computer displaying codes

What to Inspect:
  • Test all electrical accessories
  • Check for loose or corroded wiring connections
Verified by IsItAGoodCar Research Team

Buying Tips for 1986 Rover 800 Series

  • Prioritise the smooth Honda 2.7-litre V6 for superior long-term mechanical reliability
  • Test all interior switchgear, instrument cluster functions, and power window mechanisms
1987–1990
Check a 1986 Rover 800 Series by Registration