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Infiniti G20: P10 and P11 generations, engine and what to check
The Infiniti G20 is a compact Infiniti sedan built on the Nissan Primera platform, primarily sold in North America. In this article, we'll look at two generations, the SR20DE engine, and what buyers in Lithuania should know.
G20 in brief
The G20 is the first and second generation of the Infiniti G line (P10 and P11). Both were sedans built on the Nissan Primera platform. The Infiniti G line later transitioned to the Nissan Skyline platform (from V35).
The G20 was not officially sold in Lithuania, so most cars here come from the US or Canada. As a result, they have American market headlights, badging, and different equipment from the European Primera.
Two generations — what's the difference
The first generation (P10) was sold from 1991 to 1996 model years, the second (P11) from 1999 to 2002. There was a few-year gap between them when the G model was not available.
The P11 has a slightly more modern body and a slightly more powerful engine, while the P10 is considered the simpler, classic variant. Both generations are quite rare in the Lithuanian market.
Engine and transmission
The main engine for both generations is the 2.0-litre petrol SR20DE. In the first generation, it produces around 140 hp, in the second around 145 hp (according to US figures).
Transmissions are either a 5-speed manual or a 4-speed automatic. The engine is considered quite reliable if you stick to the maintenance schedule and change the oil on time.
What to check when buying a used G20
Since the car hails from North America, check the VIN, documents, and ensure the car is properly registered in the EU. Pay close attention to the service history, as US odometers show miles.
Inspect for rust spots in the wheel arches, sills, and wings, and check for oil leaks from the engine and gearbox. Spare parts that match the Nissan Primera are often easier to find, but specific G20 components might need to be ordered from abroad.
Trim levels
G20 trim names varied by year and market, so we've detailed them below.
Įprasta komplektacija
Base modelsThe more luxurious Primera with the Infiniti badge and extra kit.
- Often – leather interior
- Often – sunroof
- Electric windows and mirrors
Generation comparison
| G20 (P10) | G20 (P11) | |
|---|---|---|
| Years | 1991–1996 | 1999–2002 |
| Base | Nissan Primera | Nissan Primera |
| Engine | 2.0 SR20DE, around 140 HP | 2.0 SR20DE, around 145 HP |
| Transmission | 5-speed manual or 4-speed automatic | 5-speed manual or 4-speed automatic |
| Price in the used market (relatively) | Budget-friendly | Mid-range |
The P11 is more modern and practical for daily use, but the P10 is cheaper. Both options are great for those who enjoy a more exclusive compact luxury car.
Pros
- The reliable SR20DE engine
- More exclusive than the Primera
- More luxury than Nissan siblings
- Technically simple, shares many parts with the Primera
Cons
- Not officially sold in Lithuania, limited servicing
- American market equipment and mileage on the speedometer
- You may need to source specific parts from abroad
Frequently asked questions
Is the Infiniti G20 the same as the Nissan Primera?
Technically, they're very close: the G20 is built on the Primera platform but comes with more luxurious features and different badging.
What engine does the G20 have?
A 2.0 l SR20DE petrol engine — around 140 hp in the first iteration and around 145 hp in the second (US figures).
Can you find a G20 in Lithuania?
Rarely. They're usually imported cars from the US or Canada.
Updated 2026-10-21 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically
