Cadillac Deville Reliability, MOT Pass Rate & Common Faults
Free Cadillac Deville car check
Is the Cadillac Deville reliable? We analysed 859 real MOT tests across 102 vehicles to find out.
Got a specific Cadillac Deville? Enter the reg for a free check:
The Cadillac Deville is above average for reliability based on real UK MOT data. Common problems include windscreen washer provides insufficient washer liquid, direction indicator incorrect colour and parking brake: efficiency below requirements. Here's everything you need to know before buying a used Cadillac Deville.
Cadillac Deville Number Plates
Number plates registered to a Cadillac Deville. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Cadillac Deville MOT Pass Rate by Year
How likely is a Cadillac Deville to pass its MOT? Here's the pass rate for each registration year, newest first.
Cadillac Deville Problems — What Goes Wrong?
The most common reasons a Cadillac Deville fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Cadillac Deville Mileage — What's Normal?
How many miles does a typical Cadillac Deville owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Cadillac Deville MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Cadillac Deville year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2003 | 57 | 84.2% | 36,523 | 46,451 | 63,484 |
| 1997 | 54 | 77.8% | 76,586 | 89,168 | 107,517 |
| 1990 | 67 | 83.6% | 44,508 | 51,575 | 93,658 |
| 1989 | 61 | 75.4% | 85,968 | 87,888 | 96,640 |
How Long Does a Cadillac Deville Last?
Based on 102 Cadillac Deville vehicles on UK roads.
Cadillac Deville Mileage Distribution
Total mileage recorded across all Cadillac Deville MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used Cadillac Deville
Based on MOT pass rates across all registration years with sufficient test data.
84.2% MOT pass rate from 57 tests
75.4% MOT pass rate from 61 tests
The best year to buy a used Cadillac Deville is 2003, which has the highest MOT pass rate at 84.2% across 57 tests. The 1989 model year has the lowest pass rate at 75.4% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Cadillac Deville Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Cadillac Deville THIS CAR | 80.1% | 859 | 63,484 mi | 37 yrs |
| Cadillac Seville Sts V8 Auto | 78.6% | 4,231 | 69,466 mi | 28 yrs |
| Cadillac Cts | 76.3% | 2,997 | 44,836 mi | 21 yrs |
| Cadillac Escalade | 79.6% | 2,148 | 67,102 mi | 24 yrs |
| Ford Mondeo Zetec | 78.8% | 1,150 | 100,360 mi | — yrs |
Compared to the Cadillac Seville Sts V8 Auto (78.6% pass rate) and the Cadillac Cts (76.3% pass rate), the Cadillac Deville outperforms both on MOT reliability.
Found a Cadillac Deville you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific Cadillac DevilleShould you buy a used Cadillac Deville?
The Cadillac Deville has an overall MOT pass rate of 80.1% across 859 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
The most common problems on the Cadillac Deville are windscreen washer provides insufficient washer liquid (27 recorded failures), direction indicator incorrect colour (13), and parking brake: efficiency below requirements (12). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.
A typical Cadillac Deville owner drives around 740 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
In terms of longevity, most Cadillac Deville models stay on UK roads for around 37 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.