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ABA-RJ1 · CBA-RJ1 · DBA-RJ1

Subaru R1 RJ1 specs

RJ1 is the model code of the Subaru R1, a kei car. Japan’s transport ministry lists it in its fuel economy lists from 2005–2010 under 3 model types ABA-RJ1, CBA-RJ1, DBA-RJ1. A genuine car’s chassis number starts RJ1-.

RJ1 at a glance

Make
Subaru
Model
R1
Model code
RJ1
Model types
ABA-RJ1, CBA-RJ1, DBA-RJ1
In MLIT’s lists
2005–2010
Engines
EN07 658 cc petrol
Gearboxes
CVT automatic
Drive
front-wheel drive
Kerb weight
800–840 kg
Official fuel economy
18.8–24.5 km/L (53–69 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.

ABA-RJ1

Listed 2006–2010. The ABA prefix (our explanation, not MLIT’s) means petrol passenger car certified to Japan’s 2005 emissions rules. Check ABA-RJ1 against ULEZ and clean air zones.

EngineGearboxDriveWeightSeatsFuel economyListed
EN07658 cc petrolCVT automaticfront-wheel drive830–840 kg418.8–19.4 km/L53–55 mpg, Japanese 10-15 mode test2006–2010

CBA-RJ1

Listed 2005–2006. The CBA prefix (our explanation, not MLIT’s) means petrol passenger car certified to Japan’s 2005 emissions rules, 50% below their limits. Check CBA-RJ1 against ULEZ and clean air zones.

EngineGearboxDriveWeightSeatsFuel economyListed
EN07658 cc petrolCVT automaticfront-wheel drive800–810 kg—22.5–24 km/L64–68 mpg, Japanese 10-15 mode test2005–2006

DBA-RJ1

Listed 2006–2010. The DBA prefix (our explanation, not MLIT’s) means petrol passenger car certified to Japan’s 2005 emissions rules, 75% below their limits. Check DBA-RJ1 against ULEZ and clean air zones.

EngineGearboxDriveWeightSeatsFuel economyListed
EN07658 cc petrolCVT automaticfront-wheel drive810–820 kg422.5–24.5 km/L64–69 mpg, Japanese 10-15 mode test2006–2010

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.

Check an RJ1 before you buy

Make sure the car is what the advert says: the chassis number on the V5C should start RJ1-, 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 Subaru R1 model codes

Questions

What engine does the RJ1 have?

MLIT lists the Subaru R1 RJ1 with EN07 658 cc petrol.

What fuel economy does the RJ1 get?

Officially between 18.8 and 24.5 km/L (about 53–69 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 RJ1?

Between 800 and 840 kg kerb weight, depending on the version.

Is ABA-RJ1 the same as RJ1?

Yes. ABA-RJ1 is the full model type: the letters before the hyphen are Japan’s emissions code, which changed as the rules were tightened, and RJ1 is the model code. The chassis number starts with RJ1-.

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 Subaru 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.