IsItAGoodCar
Reliability Guide

Common Problems with the
1995 MG RV8

We've identified 3 known issues that can affect the 1995 MG RV8. 1 of these are serious faults that could be expensive to repair.

3
Known Issues
1
Serious
2
Moderate
0
Minor

All Known Issues

Steel Windscreen Surround Frame and Scuttle Panel Corrosion

SeriousBodywork & Rust

Unlike the electro-coated main British Motor Heritage monocoque bodyshell, the bespoke steel windscreen header rail, A-pillar pillars, and lower scuttle panel were hand-fabricated and remain exceptionally vulnerable to water trapping beneath the bonded windscreen rubber seal. Trapped moisture causes severe rust bubbling along the lower windscreen frame, which weakens structural rigidity and risks cracking the rare, expensive tinted windscreen glass during body repair.

Est. Repair Cost: £850–£2,600
Warning Signs:

Paint bubbling along the bottom edge of the windscreen glass, Rust staining running down the inner scuttle panel behind the dashboard, Water leaking onto driver and passenger footwell carpets during rain

What to Inspect:
  • Gently lift the edge of the rubber windscreen perimeter seal to inspect the underlying steel for rust
  • Inspect the bulkhead behind the dashboard and front footwell carpets for dampness or rust staining
Verified by IsItAGoodCar Research TeamUpdated

Rover 3.9 V8 Camshaft Lobe Wear and Hydraulic Tappet Failure

ModerateEngine

The Rover 3.9-litre aluminium V8 engine uses a flat-tappet camshaft that suffers from accelerated lobe wear and lifter cupping if oil change intervals are neglected or if modern low-zinc synthetic engine oils lacking sufficient ZDDP anti-wear additives are used. As camshaft lobe profiles flatten, valve lift reduces, causing continuous top-end valvetrain ticking, reduced engine power above 3,500 rpm, and elevated hydrocarbon exhaust emissions at MOT test time.

Est. Repair Cost: £700–£1,600
Warning Signs:

Rhythmic mechanical ticking or tapping noise from upper engine rocker covers that persists when warm, Noticeable loss of high-rev acceleration and power delivery, Uneven engine idle quality and elevated MOT emissions test figures

What to Inspect:
  • Listen intently to the top of both cylinder heads with the bonnet raised while the engine is warm
  • Examine maintenance records for regular annual oil changes using quality 20W-50 or 10W-40 high-zinc oil
Verified by IsItAGoodCar Research TeamUpdated

Live Rear Axle Tramp and Leaf Spring Eye Bush Degradation

ModerateSuspension & Chassis

The RV8 utilises a traditional live rear axle suspended by parabolic single-leaf rear road springs and twin longitudinal torque reaction control arms. The high torque output of the 3.9-litre V8 (318 Nm) subjects the rubber leaf spring eye bushes and torque arm bushes to intense torsional stress, causing rubber perishing and elongation. This results in violent axle tramp and rear wheel hop under hard standing starts on damp UK roads, along with audible drivetrain clunking.

Est. Repair Cost: £350–£850
Warning Signs:

Violent wheel hop and axle judder under brisk acceleration from rest, Clunking metallic noise from rear underside when shifting between forward and reverse gears, Loose or wandering rear-end feeling when traversing mid-corner road imperfections

What to Inspect:
  • Inspect rear leaf spring mounting bushes and torque reaction arm rubber for cracking, perishing, or play
  • Examine Salisbury rear differential casing for oil weeping around the front pinion seal
Verified by IsItAGoodCar Research TeamUpdated

Buying Tips for 1995 MG RV8

  • Inspect the steel windscreen surround frame beneath the rubber seal for rust bubbling and paint blistering.
  • Listen intently to the upper valvetrain of the 3.9 Rover V8 at warm idle for rhythmic ticking camshaft wear.
  • Check the rear suspension leaf spring eye bushes and torque arms for deterioration causing axle tramp.
  • Examine the cabin carpets and under-seat soundproofing for water ingress from a leaking convertible fabric hood.
  • Verify whether the vehicle was originally UK-supplied or a Japanese import, reviewing import documentation.