# Vauxhall Insignia — Used Car Buying Guide

AutoScout's analysis of the Vauxhall Insignia on the UK used-car market. Backed by 33 million DVSA MOT tests, current AutoTrader pricing, and depreciation curves derived from CAP/Glass's Guide data.

Live interactive report: https://autoscout.fyi/cars/vauxhall-insignia

## Verdict

- **Best value year**: 2019
- **Ideal trim**: SRi Nav
- **Target mileage**: 40,000–60,000 miles
- **Max previous owners**: 2
- **Target price**: £9,000

## Why this model

Alright, let's be straight with you: I strongly recommend you AVOID the Vauxhall Insignia, especially if you're looking for a reliable and cost-effective used car in the UK. While it might look like a good deal on paper with its low purchase price, it's a false economy. The Insignia is notorious for its poor reliability, particularly the diesel engines, which are plagued with DPF and EGR valve issues that lead to expensive, recurring repair bills. Owners frequently report electrical problems, suspension wear, and even automatic gearbox failures, which can quickly turn your 'bargain' into a financial black hole. The depreciation is also much worse than average, meaning you'll lose a significant chunk of money when you try to sell it on. While it scored 5 stars in Euro NCAP, the frequent mechanical and electrical failures can lead to unexpected breakdowns or loss of power, which are safety concerns in real-world driving.

## What you should pay

Even though the asking prices for used Insignias are tempting, you need to factor in the almost inevitable repair costs. A low purchase price often just means you're buying someone else's problems. Our target price of around £9,000 for a 2019 SRi Nav reflects its true market value given its reliability issues and depreciation. Don't pay more, and be prepared to budget significantly for maintenance and repairs.

## Which trim to buy

If you absolutely must go for an Insignia, the SRi Nav trim from 2019 is probably the 'least bad' option. It offers a good balance of features like sat-nav, sportier styling, and decent comfort without going for the top-spec Elite, which might have more complex (and potentially failure-prone) electronics. It's also a very common trim, so parts might be slightly easier to source, and it's less likely to have been thrashed than some of the higher-performance variants.

## What to check before you buy

- DPF (Diesel Particulate Filter) blockages: Very common, especially if used for short journeys. Can lead to expensive regeneration cycles or full replacement (£1,000-£2,000).
- EGR (Exhaust Gas Recirculation) valve failures: Another common diesel issue, causing rough running, loss of power, and 'limp home' mode. Replacement can be £300-£600.
- Electrical gremlins: Infotainment system glitches, sensor failures, and warning lights appearing for no clear reason are frequently reported. Diagnostics and repairs can be frustrating and costly (£100-£500+ per incident).
- Suspension components: Owners report premature wear of bushes, links, and shock absorbers, leading to knocking noises and poor handling. Repairs can be £200-£800 per axle.
- Automatic gearbox issues: Some automatic transmissions can develop rough shifts or even fail, particularly in higher mileage examples. A rebuild or replacement is a major expense (£1,500-£3,000+).
- Turbocharger failures: While not as common as DPF/EGR, turbo issues can occur, especially if oil changes are neglected. A new turbo is £800-£1,500.

## Running costs

Running costs for the Insignia are higher than average due to its poor reliability. Expect to spend a minimum of £500-£1,000 annually on unexpected repairs, on top of regular servicing. Fuel economy is decent for the diesels, but if you're doing short journeys, the DPF issues will negate any savings. Insurance is moderate, but the constant stream of repair bills is where the real cost lies.

## Key stats

- **Fuel Type**: Diesel
- **Horsepower**: 170 hp
- **Mpg**: 45-55 mpg
- **Reliability Score**: Poor
- **Safety Rating**: 5-star Euro NCAP (2017)

## Trim comparison

| Trim | Price new | Price used | Key features |
| --- | --- | --- | --- |
| Design | £23,000 | £7,500 | 17-inch alloy wheels; LED daytime running lights; Cruise control |
| SRi Nav | £26,000 | £9,000 | 17-inch alloy wheels (different design); Sports front seats; Sports steering wheel |
| Elite Nav | £29,000 | £10,000 | 18-inch alloy wheels; Leather upholstery; Heated front seats |

## Depreciation forecast

| Year | Estimated value | Retention |
| --- | --- | --- |
| 2026 | £9,000 | 0% |
| 2027 | £7,000 | 22.2% |
| 2028 | £5,500 | 38.9% |
| 2029 | £4,000 | 55.6% |
| 2030 | £2,800 | 68.9% |

Honestly, there isn't really a 'sweet spot' for buying an Insignia. Its inherent reliability issues and rapid depreciation mean that even if you buy it cheap, the repair costs will likely eat into any perceived savings. The depreciation curve shows a steep drop, so you'll lose a lot of money quickly. If you absolutely must, buying one that's already hit the bottom of its curve (around 7-8 years old) might mitigate *some* future depreciation, but you'll still be facing the same reliability headaches.

Total value lost since new: 68.9%.

## Alternatives to consider

- [Skoda Octavia](https://autoscout.fyi/cars/skoda-octavia.md)
- [Mazda 6](https://autoscout.fyi/cars/mazda-6.md)
- Toyota Corolla Touring Sports

---

Source: AutoScout (https://autoscout.fyi). Part of a review of the UK used-car market across 500+ models.