2018 BMW 420 Data

VehicleScore has analysed 75 2018 BMW 420 vehicles in this dataset. The figures below summarise VehicleScore results, recorded mileage, MOT history and available emissions data for this model year.

2018 BMW 420 (example)

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2018 BMW 420 VehicleScore

The median VehicleScore among 75 2018 BMW 420 vehicles analysed was 834 out of 999.

Median VehicleScore: 834
25th percentile: 798
75th percentile: 854
Vehicles with a score: 75

Typical mileage for a 2018 BMW 420

The median mileage among 75 2018 BMW 420 vehicles analysed by VehicleScore was 72,273 miles.

Mileage is the latest recorded odometer reading stored for each vehicle. Earlier MOT readings are not counted as extra vehicles.

Median mileage: 72,273 miles
25th percentile: 57,209 miles
75th percentile: 84,086 miles
Vehicles with mileage: 75

2018 BMW 420 MOT pass rate

VehicleScore analysed 520 recognised pass/fail MOT tests across 74 2018 BMW 420 vehicles.

MOT pass rate: 86.3%
Valid pass/fail tests: 520
Passes: 449
Failures: 71
All recorded MOT tests: 520
Vehicles with MOT history: 74

2018 BMW 420 engines and emissions

Engine capacity: 1,998 cc (39 vehicles)
Engine capacity: 1,995 cc (36 vehicles)
Petrol: 39
Heavy OIL: 35
Diesel: 1
Median CO2: 134 g/km
CO2 25th percentile: 125 g/km
CO2 75th percentile: 139 g/km
Lowest CO2: 114 g/km
Highest CO2: 151 g/km
Vehicles with CO2: 75
ULEZ compliant: 100.0%
Vehicles with a ULEZ result: 70
6c: 68
6b: 5

How does the 2018 BMW 420 compare?

Metric	2018 420	All 420
VehicleScore	834	736
Mileage	72,273 miles	83,996 miles
MOT pass rate	86.3%	85.3%
CO2	134 g/km	126 g/km
ULEZ	100.0%	98.9%

The median VehicleScore in the 2018 sample was 834, compared with 736 in the wider BMW 420 sample.

The median mileage in the 2018 sample was 72,273 miles, compared with 83,996 miles in the wider BMW 420 sample.

The MOT pass rate in the 2018 sample was 86.3%, compared with 85.3% in the wider BMW 420 sample.

The median CO2 in the 2018 sample was 134 g/km, compared with 126 g/km in the wider BMW 420 sample.

ULEZ compliance in the 2018 sample was 100.0%, compared with 98.9% in the wider BMW 420 sample.

Other BMW 420 model years

2017 BMW 420 2016 BMW 420 2015 BMW 420 2014 BMW 420

BMW 420 lifespan and model overview

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Statistics come from vehicles analysed through VehicleScore. Counts use unique vehicles, so repeated searches do not change the figures. MOT tests are stored once. The MOT pass rate uses only recognised pass and fail results. Sample sizes vary by metric. This dataset does not represent every vehicle on UK roads.

Data updated: 9 October 2026

Unique vehicles analysed: 75

Recorded MOT tests: 520

Valid pass/fail MOT tests: 520