VAUXHALL MONARO (2005)
Running costs, common problems, and reliability data based on 221 real MOT tests in 2024.
MOT Pass Rate
85%
Total Tests (2024)
221
Avg Mileage
73,102 mi
Est. Annual Cost
£2,247
Is the 2005 VAUXHALL MONARO reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%.
At 19 years old, 85% of VAUXHALL MONAROs from 2005 passed their MOT first time in 2024. That's based on 221 tests across the UK. The average mileage at this age is 73,102 miles.
How does the 2005 VAUXHALL MONARO compare?
Mileage Analysis
The average 2005 VAUXHALL MONARO has 73,102 miles on the clock, which is below the expected 140,600 miles for a 19-year-old car. This suggests lighter use than average, which generally means less wear on major components.
Best year to buy a VAUXHALL MONARO?
The most reliable year is the 2006 model with a 92% MOT pass rate, while the 2004 model has the lowest at 82%. The 2005 sits between the two at 85%.
How much does a 2005 VAUXHALL MONARO cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
VAUXHALL MONARO by Year
Checking a specific VAUXHALL MONARO?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2005 VAUXHALL MONARO
The 2005 VAUXHALL MONARO is a performance with a 5667cc petrol engine. 221 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. It ranks in the top 15% of all 2005 cars for reliability.
With an average of 73,102 miles at 19 years old, VAUXHALL MONARO owners tend to use this car less than the typical driver.
2005 VAUXHALL MONARO Fuel Costs
The 5667cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2005 VAUXHALL MONARO?
Total estimated annual running cost is £2,247 (£187/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 85% pass rate. Keeping on top of servicing will help avoid surprises.
VAUXHALL MONARO Reliability Trend
Newer VAUXHALL MONAROs show better MOT pass rates than older ones, with an average improvement of 5 percentage points.
Buying a Used 2005 VAUXHALL MONARO
At 19 years old, the VAUXHALL MONARO is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2006 model has the highest pass rate at 92%.
Alternatives to the 2005 VAUXHALL MONARO
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- MERCEDES SL (2004) 88% pass rate (+3%) from 4,036 tests
- BENTLEY CONTINENTAL (2007) 94% pass rate (+9%) from 3,741 tests
- ASTON MARTIN DB9 (2005) 93% pass rate (+8%) from 2,229 tests
- CHRYSLER 300 C (2007) 79% pass rate (-6%) from 524 tests