1986 Reliant Rialto 0.8L Petrol · C733 CWX
1986 Reliant Rialto (0.8L, petrol). First registered 07 Feb 1986. Recorded mileage 24,695 miles. MOT valid until 09 Oct 2027.
- Make & Model
- RELIANT RIALTO
- Year / Origin
- 1986 · Cardiff
- Safety Recall
- Unknown
- MOT Status
- Valid until 09 Oct 2027
- Road Tax
- —
- Recorded Mileage
- 24,695 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.
C733 CWX Key Findings
- 12 MOT tests recorded
- Latest MOT passed on 01/10/2026
- 24,695 miles recorded at latest MOT
- 2 historical MOT failures
- No defects recorded at the latest MOT
- Recurring lighting items (5 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
C733 CWX MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
12 MOT tests are recorded for this 1986 Reliant Rialto (C733 CWX) between September 2005 and October 2026.
The record contains 10 passes and 2 failures.
The most recent test on 01 October 2026 was a pass, although the earlier record includes 2 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Lighting (5 issues), Suspension (2 issues), Brakes (1 issue), Windscreen (1 issue), Steering (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 Steering component damaged and unserviceable (2.2.C.1d)”; “Offside Headlamp aim aimed so that it dazzles other road users (1.8.A.1a)”; “Offside Rear fog lamp not working (1.3.2b)”.
C733 CWX Mileage History
- 29/09/20056,360 mi
- 06/10/20056,432 mi+72 mi
- 06/10/20069,040 mi+2,608 mi
- 16/10/20069,057 mi+17 mi
- 03/10/201911,462 mi+2,405 mi
- 16/09/202013,765 mi+2,303 mi
- 22/09/202115,572 mi+1,807 mi
- 05/10/202215,834 mi+262 mi
- 11/10/202317,362 mi+1,528 mi
- 18/09/202420,458 mi+3,096 mi
- 09/10/202522,131 mi+1,673 mi
- 01/10/202624,695 mi+2,564 mi
Average of roughly 873 miles per year across 12 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: Good
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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RELIANT RIALTO Model Intelligence & Reliability
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Browse production generations, registration statistics, and trim variants.
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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