4AA-B48A
Nissan Roox B48A specs
B48A is the model code of the Nissan Roox, a kei car. Japan’s transport ministry lists it in its fuel economy lists from 2021–2026 under the model type 4AA-B48A. A genuine car’s chassis number starts B48A-.
B48A at a glance
- Make
- Nissan
- Model
- Roox
- Model code
- B48A
- Model types
- 4AA-B48A
- In MLIT’s lists
- 2021–2026
- Engines
- BR06-SM21 659 cc petrol
- Gearboxes
- CVT automatic
- Drive
- four-wheel drive
- Kerb weight
- 1,020–1,060 kg
- Official fuel economy
- 16.4–21.2 km/L (46–60 mpg)
Fuel economy is from Japan’s official tests and is usually better than you’ll see on UK roads. MLIT doesn’t list power or torque.
4AA-B48A
Listed 2021–2026. The 4AA prefix (our explanation, not MLIT’s) means hybrid passenger car certified to Japan’s 2018 emissions rules, 25% below their limits. Check 4AA-B48A against ULEZ and clean air zones.
| Engine | Gearbox | Drive | Weight | Seats | Fuel economy | Listed |
|---|---|---|---|---|---|---|
| BR06-SM21659 cc petrol | CVT automatic | four-wheel drive | 1,020–1,060 kg | 4 | 21–21.2 km/L59–60 mpg, Japanese JC08 test | 2021–2026 |
| BR06-SM21659 cc petrol | CVT automatic | four-wheel drive | 1,020–1,060 kg | 4 | 16.4–17.5 km/L46–49 mpg, WLTC test | 2021–2026 |
Each row is one version as MLIT lists it. A version can appear twice when MLIT gave figures on two tests that year. Low-emission stars and trim names aren’t shown. MLIT gives fuel economy in km/L; the mpg figures are our conversion to UK gallons. Japanese tests are gentler than real UK driving, so expect less.
B48A build year by chassis number
Japan’s carmakers list the chassis numbers each code was built with every year from 2015. Find the serial below, or use the build year finder.
| Built | Chassis numbers |
|---|---|
| 2020 | B48A-000001 to 304062 |
| 2021 | B48A-304063 to 307787 |
| 2022 | B48A-307788 to 309931B48A-400001 to 401813 |
| 2023 | B48A-401814 to 403698B48A-500001 to 502750 |
| 2024 | B48A-502751 to 504037B48A-600001 to 602340 |
| 2025 | B48A-602341 to 604196 |
From the JAMA chassis number lists: 車台番号一覧表. We keep only the chassis code, serial ranges and year. JAMA calls them reference information, not a certificate.
Check a B48A before you buy
Make sure the car is what the advert says: the chassis number on the V5C should start B48A-, and the engine and gearbox should match one of the versions above. Our free check reads the UK MOT history and compares it with the chassis code.
Other Nissan Roox model codes
Questions
What engine does the B48A have?
MLIT lists the Nissan Roox B48A with BR06-SM21 659 cc petrol.
What fuel economy does the B48A get?
Officially between 16.4 and 21.2 km/L (about 46–60 mpg), depending on the version, on Japan’s own tests. Real-world figures are usually lower, especially against the older 10-15 mode test.
How heavy is the B48A?
Between 1,020 and 1,060 kg kerb weight, depending on the version.
Is 4AA-B48A the same as B48A?
Yes. 4AA-B48A is the full model type: the letters before the hyphen are Japan’s emissions code, which changed as the rules were tightened, and B48A is the model code. The chassis number starts with B48A-.
About these figures
The model types, engine codes, capacities, gearboxes, drive, weights, seats and km/L figures are copied from MLIT’s yearly lists of cars on sale in Japan each March, so “listed” years are list years, not exact production dates. The English model names, mpg conversions, emissions code explanations and chassis number matching are ours. Lists before 2013 were printed as PDFs that we read by machine; where an older list gives an engine code that doesn’t match its capacity, we’ve used the figure the same model type has in other years. Check anything that matters against the car’s own papers. Spotted a mistake? Email [email protected]. All Nissan model codes.
Source: Ministry of Land, Infrastructure, Transport and Tourism (MLIT), Japan, fuel economy lists 2004–2026, used under the Public Data License 1.0. Edited and translated by JDM History.