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Smart Forfour Passion MOT Check

MOT pass rates, common failures, and reliability data for the Smart Forfour Passion. Check any Forfour Passion by registration number below.

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68.3%

Avg Pass Rate

-12.6%

vs Smart Avg

4

Year Ranges

Average

Reliability

Smart Forfour Passion — MOT Reliability Overview

The Smart Forfour Passion has an average MOT pass rate of 68.3%, which is 12.6 percentage points below the Smart brand average of 80.9%. This is a reasonable result that reflects typical UK reliability standards. Regular servicing and addressing advisories promptly will help keep your Forfour Passion on the road.

The most common reasons a Smart Forfour Passion fails its MOT are the aim of a headlamp is not within limits laid down in the requirements, a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, a suspension joint dust cover missing or no longer prevents the ingress of dirt etc. If you are preparing your Forfour Passion for its MOT, checking these areas first could save you a retest fee. Our detailed fault analysis includes estimated repair costs for each failure type.

Before buying a used Smart Forfour Passion, we recommend checking the full MOT history, write-off status, outstanding finance, and stolen vehicle status. These checks can be done for free using the registration number.

MOT Pass Rate by Year

How the Smart Forfour Passion performs at MOT across different model years.

2006

Based on 385 vehicles

65.7%Average
Smart average: 80.9%
Dangerous Defects

5.8%

Retest Rate

30.0%

2005

Based on 345 vehicles

63.8%Below Average
Smart average: 80.9%
Dangerous Defects

10.2%

Retest Rate

35.8%

2004

Based on 118 vehicles

70.3%Average
Smart average: 80.9%
Dangerous Defects

8.7%

Retest Rate

24.6%

0

Based on 487 vehicles

73.3%Average
Smart average: 80.9%
Mileage at 5yr

100k mi

Top MOT Failures — Smart Forfour Passion

The most common reasons a Smart Forfour Passion fails its MOT, aggregated across all year ranges.

1

The aim of a headlamp is not within limits laid down in the requirements

5.7%
2

A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning

3.7%
3

A suspension joint dust cover missing or no longer prevents the ingress of dirt etc

3.2%
4

Stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning

3.2%
5

Parking brake efficiency below minimum requirement

2.6%
Smart Forfour Passion Common Faults & Repair Costs

Where Failures Occur

The areas of the vehicle most commonly flagged during MOT inspections.

Front Offside

9.9%

Front Nearside

9.6%

Offside

5.2%

Other Smart Models

Compare MOT reliability across Smart models.

Smart Forfour Brabus

73.1% pass rate

Smart Fortwo Pulse Cdi Auto

75.7% pass rate

Smart MC

86.0% pass rate

Smart Fortwo

92.0% pass rate

Smart City Passion 61 Auto

73.6% pass rate

Smart Fortwo Coupe Mhd

94.3% pass rate

Useful MOT Guides

Common MOT Failures

The most common reasons UK vehicles fail their MOT — and how to prepare.

MOT Checklist

Pre-MOT checklist to improve your chances of passing first time.

Advisory vs Failure

Understanding the difference between MOT advisories and failures.

See detailed fault analysis for Smart Forfour Passion

Smart Forfour Passion — Frequently Asked Questions

Common questions about the Smart Forfour Passion MOT and reliability.

What is the MOT pass rate for the Smart Forfour Passion?
The average MOT pass rate for the Smart Forfour Passion is 68.3% compared to the Smart average of 80.9%. Pass rates vary by year — check the year-by-year breakdown on this page for details.
What are the most common MOT failures on a Smart Forfour Passion?
The most common MOT failures on the Smart Forfour Passion are: The aim of a headlamp is not within limits laid down in the requirements (5.7%), A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning (3.7%), A suspension joint dust cover missing or no longer prevents the ingress of dirt etc (3.2%). These are the components most likely to cause an MOT failure.
Is the Smart Forfour Passion reliable?
With an average MOT pass rate of 68.3%, the Smart Forfour Passion is rated as "Average" for reliability. This is around average — regular maintenance is recommended to avoid common failure points.
How do I check the MOT history of a Smart Forfour Passion?
Enter the vehicle's registration number in the search box at the top of this page. You will instantly see the complete MOT history including every test result, mileage readings, advisories, and dangerous defects — completely free.
What mileage should I expect on a Smart Forfour Passion?
Typical mileage for the Smart Forfour Passion: 99,612 miles at 5 years. Use these benchmarks when evaluating a used Forfour Passion to spot vehicles with unusually high or low mileage.

Check Your Smart Forfour Passion's MOT History

Enter the registration number for the full MOT history — free and instant.

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