Top Vauxhall Astra fixes every owner should know

TL;DR

Vauxhall Astra owners often encounter common faults, including electrical issues, suspension wear, engine misfires, timing belt replacement, and cooling system problems. Many of these can be fixed with basic DIY skills, while others may require professional assistance. Costs for parts and labour vary, making it essential to assess each issue carefully.

Electrical Issues

One common fault in Vauxhall Astras, especially those built from 2004 to 2010, is electrical problems. This can manifest as dashboard warning lights or issues with the central locking system. Often, the problem is a faulty battery or corroded connections. Fixing this can be a DIY job if you have basic electrical knowledge. A new battery costs around £70, while a garage might charge £100 to £150 for diagnosis and repair.

Suspension Wear

Suspension components, particularly the front shock absorbers and rear springs, tend to wear out over time. This is especially true for models from 2005 to 2015. Signs include a bumpy ride or unusual noises when driving over bumps. Replacing shock absorbers can be a DIY task if you have the right tools. Parts cost approximately £50 to £100 each, while a garage will charge around £200 to £300 for parts and labour.

Engine Misfires

Engine misfires are another common issue, particularly in the 1.6-litre petrol engines from 2006 to 2012. This can be caused by faulty spark plugs or ignition coils. Replacing spark plugs is a straightforward DIY job, costing about £20 for parts. If you opt for a garage, expect to pay around £100 for parts and labour.

Timing Belt Replacement

The timing belt should be replaced every 60,000 to 100,000 miles, depending on the model year. Failure to do so can lead to severe engine damage. This is not a DIY-friendly job and is best left to professionals. Parts can cost around £100, but garage labour can add £300 to £500 to the total cost.

Cooling System Issues

Cooling system problems, such as leaks or a failing thermostat, are common in models from 2004 to 2010. A leaking radiator or hose can lead to overheating. These repairs can be DIY-friendly if you are comfortable working with coolant systems. Parts cost approximately £30 to £100, while a garage will charge between £150 and £250 for labour and parts.

Vauxhall Astra MOT record

From 579,904 recorded MOT tests, 27.6% failed.

MOT pass and failure rates by year of first registration
Registered	Tests	Failed	Median mileage
2022	2,750	8.5%	21,726 mi
2021	5,785	10.0%	31,583 mi
2020	6,086	13.0%	34,810 mi
2019	20,783	13.1%	45,201 mi
2018	29,567	15.0%	54,779 mi
2017	45,285	17.0%	63,576 mi
2016	54,837	21.2%	70,114 mi
2015	45,579	27.2%	76,560 mi

Most common reasons for failure

Tyre tread depth not in accordance with the requirements27.2%
A spring or spring component fractured or seriously weakened20.7%
A tyre seriously damaged20.7%
A suspension pin, bush or joint excessively worn16.4%
Brake disc or drum excessively weakened, insecure or fractured15.0%

Figures cover every Vauxhall Astra tested in the DVSA dataset, not this specific car. Check a registration for the actual history of one vehicle.

Vauxhall Astra official figures

Median across 20 variants on sale, electricity, electricity / petrol, petrol, petrol electric.

Combined economy

49.5 mpg

WLTP median across variants

CO2 emissions

128.5 g/km

Sets the first-year tax rate

Electric range

55.5 miles

Manufacturer WLTP figure

Official figures for new cars. Real economy varies with driving, load and conditions.

Frequently asked questions

What are common faults with the Vauxhall Astra?

Common faults include electrical issues, suspension wear, and engine misfires.

Can I fix these problems myself?

Many issues are DIY-friendly, but some may require professional help.

How much does it cost to fix a Vauxhall Astra?

Costs vary, but parts can range from £20 to £200, with labour around £50 to £100 per hour.

Is it worth repairing an older Astra?

It depends on the specific issue and the car's overall condition.