2018 BMW 4 SERIES — £18,290 Listing Review
Reviewed by Car-Search.ai | 21 April 2026 | Southend-on-Sea, Westcliff-on-Sea
£18,290
40,811 miles | Petrol | Automatic | Convertible
Listing Quality
72/100
Good
vs Market Average
-3%
Fair Price
Value Retention
25/100
Steep Depreciation
Our Verdict
72
/100
This 2018 BMW 4 SERIES is listed at £18,290 by Savannah Cars Ltd in Southend-on-Sea. It has 40,811 miles on the clock. Priced in line with the market average of £18,878 based on 48 comparable listings. Our depreciation analysis shows this vehicle is losing approximately £3,732/year in value. The listing quality is good, with adequate photos and specifications provided.
Year
2018
Make
BMW
Model
4 SERIES
Body Style
Convertible
Colour
Grey
Fuel Type
Petrol
Gearbox
Automatic
Mileage
40,811 miles
Engine
2L
At MarketListed at £18,290 vs market average of £18,878 (-3%)
Market Low
£11,995
Market Average
£18,878
Market High
£30,495
Comparables
48 listings
Based on 48 comparable BMW 4 SERIES listings.
Age Depreciation
Slow Depreciation
£1,006/year
Mileage Impact
Steep Depreciation
£1,363/5k mi
Combined (10k mi/yr)
Steep Depreciation
£3,732/yr
This Vehicle vs Model
Age-predicted: £15,997 (+£2,293)
Mileage-predicted: £19,847 (£-1,557)
Scenarios: 5k mi/yr £-2,369/yr | 10k mi/yr £-3,732/yr | 15k mi/yr £-5,095/yr
Based on 167 comparable listings. Slopes from smoothed depreciation curves.
72
Overall Listing Quality
Good — this listing is well-presented and informative.
How our review page compares
This Car-Search.ai listing review page scores 95+/100 on all four categories. It includes Schema.org Vehicle + Review structured data, semantic HTML, per-page meta descriptions, Open Graph tags, canonical URLs, static HTML rendering, market analysis, depreciation vectors, and rich narrative content — fully accessible to Google, ChatGPT, Perplexity, and all AI search engines.
Similar Cars From Other Dealers
Independent review — we are not affiliated with the dealer.
View original listing at Savannah Cars Ltd →Looking for a BMW 4 SERIES?
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