1986 Reliant Rialto 0.8L Petrol · D978 ODT
1986 Reliant Rialto (0.8L, petrol). First registered 01 Oct 1986. Recorded mileage 67,481 miles. MOT valid until 22 Jan 2027.
- Make & Model
- RELIANT RIALTO
- Year / Origin
- 1986 · Chester
- Safety Recall
- Unknown
- MOT Status
- Valid until 22 Jan 2027
- Road Tax
- —
- Recorded Mileage
- 67,481 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 0.8L
- Reliability Guide
- Common Faults
Thinking of buying this vehicle? Free MOT and tax checks do not cover legal ownership. If outstanding finance exists, finance companies have legal right to repossess without compensation.
D978 ODT Key Findings
- 3 MOT tests recorded
- Latest MOT passed on 23/01/2026
- 67,481 miles recorded at latest MOT
- 1 historical MOT failure
- No defects recorded at the latest MOT
- Recurring brakes items (5 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
D978 ODT MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
3 MOT tests are recorded for this 1986 Reliant Rialto (D978 ODT) between June 2025 and January 2026.
The record contains 2 passes and 1 failure.
The most recent test on 23 January 2026 was a pass, although the earlier record includes 1 failure that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Brakes (5 issues), Windscreen (1 issue), Lighting (1 issue). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 2 advisory notices are recorded. Advisories flag items that passed but may need attention before the next test; they are not evidence of how well the vehicle has been serviced.
Recorded failure items include: “Offside Rear Brake cable damaged handbrake (1.1.15 (a))”; “Nearside Rear Brake cable damaged handbrake (1.1.15 (a))”; “Rear Brakes imbalanced across an axle Axle 2 (1.2.1 (b) (i))”.
D978 ODT Mileage History
- 05/06/202567,248 mi
- 18/12/202567,480 mi+232 mi
- 23/01/202667,481 mi+1 mi
Average of roughly 367 miles per year across 3 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
Diagnostic & Valuation Intelligence
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Known faults for Reliant Reliant Rialto
Our database tracks 3 specific mechanical faults and recurring failure patterns identified across UK MOT testing stations for this generation.
MOT Roadworthiness: Average
This rating reflects historical MOT pass rates and recurring advisory wear patterns from official DVSA test logs. Note that roadworthiness does not verify outstanding finance, insurance write-offs, or stolen records.
Verify lender finance agreements, insurance write-offs, police stolen registers, and mileage rollback.
Common Problems: RELIANT RIALTO
Known issues reported by owners and MOT testers.
- Front Suspension Swing-Arm and Steering Bush Wear(Moderate)
The single front wheel on the Rialto is mounted on an unsprung leading/trailing swing-arm arrangement carrying the full weight of braking and cornering. Road potholes and speed cushions accelerate wear on the front pivot needle roller bearings and steering headstock bushes. Neglected grease lubrication leads to excessive slack, causing vagueness in the steering, front tyre scuffing, and severe MOT failure.
- HT-E High-Compression Cylinder Head Warpage(Moderate)
In 1984, the Rialto 2 adopted the HT-E (High Torque Economy) engine featuring a modified cylinder head running a high 10.5:1 compression ratio and distinct yellow rocker cover. The high compression puts increased thermal stress on the thin alloy cylinder head. If the cooling system develops limescale buildup or the electric fan fails, the head quickly overheats and warps, blowing the head gasket between cylinders two and three.
- Rear Leaf Spring Shackle and Mounting Plate Corrosion(Moderate)
Although the Rialto's main chassis rails were galvanised from the factory, the rear suspension mounting plates, spring shackle pins, and steel U-bolts were not galvanised to the same thickness. Electrolytic reaction between dissimilar metals and road salt causes heavy corrosion around the rear spring eyes. Worn rubber bushes allow the spring leaves to twist, causing axle tramp under acceleration and unpredictable rear-end breakaway.
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Historical MOT pass rates and DVLA records for 1986 model year cars.
- Front Suspension Swing-Arm and Steering Bush WearModerate
The single front wheel on the Rialto is mounted on an unsprung leading/trailing swing-arm arrangement carrying the full weight of braking and cornering. Road potholes and speed cushions accelerate wear on the front pivot needle roller bearings and steering headstock bushes. Neglected grease lubrication leads to excessive slack, causing vagueness in the steering, front tyre scuffing, and severe MOT failure.
- HT-E High-Compression Cylinder Head WarpageModerate
In 1984, the Rialto 2 adopted the HT-E (High Torque Economy) engine featuring a modified cylinder head running a high 10.5:1 compression ratio and distinct yellow rocker cover. The high compression puts increased thermal stress on the thin alloy cylinder head. If the cooling system develops limescale buildup or the electric fan fails, the head quickly overheats and warps, blowing the head gasket between cylinders two and three.
- Rear Leaf Spring Shackle and Mounting Plate CorrosionModerate
Although the Rialto's main chassis rails were galvanised from the factory, the rear suspension mounting plates, spring shackle pins, and steel U-bolts were not galvanised to the same thickness. Electrolytic reaction between dissimilar metals and road salt causes heavy corrosion around the rear spring eyes. Worn rubber bushes allow the spring leaves to twist, causing axle tramp under acceleration and unpredictable rear-end breakaway.
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