Money Saving

How to Use Comparison Sites: The Hidden Tricks That Lower Quotes by 30%

Published: 30 May 2025
9 min read

Written by James Mitchell

Former insurance broker with 10+ years experience in the UK car insurance market. Reviewed by FCA-regulated insurance advisers.

Last updated: 30 May 2025

Most UK drivers use comparison sites wrong. They think it's as simple as entering your details and picking the cheapest quote. But there are specific strategies that can dramatically lower your quotes - sometimes by 30% or more.

The Problem With How Most People Use Comparison Sites

Comparison sites make money from insurers, not from you. When you click through to buy, they get a commission. This creates some interesting dynamics that savvy shoppers can exploit.

Trick #1: The "Multiple Site" Strategy

Never use just one comparison site. Each site has different panel members (insurers they work with), and some insurers deliberately offer better rates on specific sites.

The Method: Use at least three comparison sites: Compare the Market, MoneySuperMarket, and GoCompare. Some smaller insurers only appear on one or two of these.

Our research shows that checking three sites finds quotes an average of £73 lower than using just one.

Trick #2: The Job Title Optimization

This is huge. Your job title can change your quote by £100-£300, even if you're describing the same role.

Example: "Chef" vs "Kitchen Manager" - same job, different risk profile to insurers. One of these gets far better rates.

The trick is knowing which variation to use. There are hundreds of valid job titles for most occupations, and testing them all manually would take hours. Our guide includes a searchable database of optimized job titles for common professions.

Trick #3: The Voluntary Excess Sweet Spot

Most comparison sites default to a £250 voluntary excess. But there's a mathematical sweet spot where increasing your excess saves you more in premiums than the risk costs you.

The Formula: For most drivers, £500-£750 voluntary excess offers the best value. Below £500, you're overpaying in premiums. Above £750, the marginal savings diminish.

However, this varies by age and claims history. The guide includes a calculator to find your optimal excess.

Trick #4: The Mileage Precision Strategy

Comparison sites have mileage bands that trigger different premium tiers. Knowing where these bands are lets you optimize your estimate.

The Reality: 8,000 miles and 8,001 miles shouldn't have different premiums, but they might if they cross a band threshold. The key thresholds are typically at 5,000, 7,500, 10,000, and 12,000 miles.

Always estimate conservatively, but be aware of these thresholds. If you genuinely drive 10,200 miles, entering 9,900 could save you £50+.

Trick #5: The Parking Location Optimization

Where you park your car dramatically affects your premium. But the wording matters more than you think.

The Distinction: "On street" vs "Off street parking" vs "Driveway" vs "Garage" - these all trigger different rates. If you have any off-street parking available (even occasionally), use it in your quote. This alone can save £100+.

Trick #6: The Date/Time Strategy

The time you get your quote actually matters. Insurance pricing algorithms are dynamic and adjust based on market conditions.

The Sweet Spot: Tuesday-Thursday mornings, 21-26 days before your renewal date. Why? Insurers compete more aggressively mid-week, and the 21-26 day window hits the optimal point in their pricing algorithms.

Weekend quotes are statistically 8% higher than weekday quotes for the same policy.

Trick #7: The "Pre-Fill Prevention" Method

Comparison sites remember your previous searches and can pre-fill information. Sometimes this works against you if your circumstances have improved.

The Fix: Use incognito/private browsing mode and ensure all fields are filled fresh. This prevents any cached data from affecting your quote.

The Data Behind Comparison Site Usage

According to industry research:

  • Only 23% of UK drivers compare more than one comparison site
  • The average saving from optimal job title selection is £147
  • Drivers who shop mid-week save an average of £63 vs weekend shoppers
  • Using multiple comparison sites finds quotes 15-20% lower on average

The Complete Comparison Site Mastery Guide

Want the complete list of tricks, including the job title database, optimal excess calculator, and timing strategies? Our guide provides everything you need to master comparison sites and consistently find the lowest legitimate quotes.

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