1968 Cadillac Deville 7.7L Petrol · NAV 318F
1968 Cadillac Deville (7.7L, petrol). First registered 31 Dec 1968. Recorded mileage 23,193 miles. MOT valid until 11 May 2027. Taxed until 01 Dec 2026.
- Make & Model
- CADILLAC DEVILLE
- Year / Origin
- 1968 · Newcastle
- Safety Recall
- Unknown
- MOT Status
- Valid until 11 May 2027
- Road Tax
- Taxed (01 Dec 2026)
- Recorded Mileage
- 23,193 mi
- ULEZ Compliance
- Check Required (Pre-Euro 4 Petrol)
- Fuel & Engine
- Petrol · 7.7L
- Reliability Guide
- Available on IAGC
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.
NAV 318F Key Findings
- 5 MOT tests recorded
- Latest MOT passed on 07/05/2026
- 23,193 miles recorded at latest MOT
- 3 historical MOT failures
- 6 defects noted at the latest MOT
- Recurring lighting items (24 mentions)
Derived directly from the recorded DVSA and DVLA data shown on this page.
NAV 318F MOT History
Interpretation generated from the recorded test data above — not an official DVSA statement and not a substitute for an independent inspection.
5 MOT tests are recorded for this 1968 Cadillac Deville (NAV 318F) between June 2024 and May 2026.
The record contains 2 passes and 3 failures.
The most recent test on 07 May 2026 was a pass, although the earlier record includes 3 failures that buyers may want to investigate.
Across all tests, the most frequently flagged areas are: Lighting (24 issues), Steering (8 issues), Suspension (6 issues), Brakes (5 issues), Windscreen (3 issues). Repeated mentions in one area can indicate an ongoing pattern worth checking in person.
In total 40 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: “Parking brake lever is not capable of being maintained in operation by direct mechanical action only pedal (1.1.6 (f))”; “Offside Front Shock absorbers has an excessively worn bush (5.3.2 (c))”; “Nearside Front Shock absorbers has an excessively worn bush (5.3.2 (c))”.
NAV 318F Mileage History
- 11/06/202420,786 mi
- 13/05/202522,020 mi+1,234 mi
- 13/05/202522,020 mi
- 07/05/202623,193 mi+1,173 mi
- 07/05/202623,193 mi
Average of roughly 1,265 miles per year across 5 recorded odometer readings.
Technical Specifications
Core Specifications
Identification & Status
Dimensions & Weights
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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.
Buyer's Guide & Inspection Advisory
Expert automotive synthesis from historical MOT defect records and market benchmarks.
Our Verdict
Exercise significant caution before purchasing this vehicle. While the mileage is exceptionally low for its age, the inconsistent MOT history and the extreme complexity of the 7.7L engine present substantial financial risks.
Prioritise a thorough mechanical inspection by a specialist who understands large-capacity American engines. Because the MOT records for the 2024 and 2025 failures do not specify the exact defect types, you must request the detailed failure reports from the seller to understand if the issues were structural, electronic, or mechanical.
Negotiate based on the potential for high-cost repairs. With an engine of this size, any component failure—from gaskets to sensors—will likely carry premium parts costs and labour rates. Ensure you verify the service history, as low mileage does not always equate to regular maintenance, especially for a vehicle that may have spent long periods stationary.
Running costs for this Cadillac will be exceptionally high compared to standard UK vehicles. The 7.7L petrol engine is subject to significant fuel consumption, and the tax band for a vehicle of this displacement will be at the highest possible level.
Insurance groups for large-capacity luxury saloons are typically high, and maintenance costs will be driven by the rarity of parts and the specialised labour required. Expect an annual running cost that is significantly higher than the UK average for a petrol car.
Since the MOT history shows failures in 2024 and 2025 without recorded defect descriptions in this summary, you must investigate exactly what caused these failures. Check for any signs of fluid leaks, which are common in high-displacement engines, and inspect the suspension components, as the weight of such a large vehicle can accelerate wear.
Pay close attention to the electrical systems and any warning lights on the dashboard. Large American luxury cars of this era often feature complex electronics that can be expensive to diagnose and repair. Additionally, check the condition of the tyres and brakes, as low-mileage vehicles can suffer from age-related degradation even if the tread remains deep.
This 2011 Cadillac DeVille is a rare, low-mileage example, having covered only 22,020 miles since its first registration in September 2011. However, the MOT history shows two failures within the last two years, including a failure in June 2024 at 20,786 miles and a failure in May 2025 at 22,020 miles. Given the massive 7700cc engine, the cost of potential mechanical issues could be disproportionate to the vehicle's value.
No aggregate reliability data is available for the Cadillac DeVille to provide a statistical baseline.
Reviewed by the IsItAGoodCar editorial team — Verified automotive analysis synthesized from official vehicle registries.
Data Sources
DVSA
Official MOT test logs & failure reasons
DVLA
Tax, registration & powertrain specs
Experian
Finance, stolen markers & total loss
AI Analysis
Historical fault & advisory patterns
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