Infiniti J: which **3.0 AT** to buy — 200 hp or 213 hp
The Infiniti J was sold in one generation (1992–1997) as a Sedan, with two versions, both listed in the catalogue as 3.0 AT. They share the same 2960 cm³ Gasoline V-shaped 6-cylinder layout, the same Automatic 4-speed gearbox, and the same RWD driveline. The buying choice is not generation versus generation — there is only one — and not body type versus body type.
The Infiniti J was sold in one generation (1992–1997) as a Sedan, with two versions, both listed in the catalogue as 3.0 AT. They share the same 2960 cm³ Gasoline V-shaped 6-cylinder layout, the same Automatic 4-speed gearbox, and the same RWD driveline. The buying choice is not generation versus generation — there is only one — and not body type versus body type. It is 3.0 AT at 200 hp versus 3.0 AT at 213 hp. The 213 hp car adds 13 hp and 10 kW, 2 Nm, a measured 8.8 s to 100 km/h (the 200 hp car’s 0–100 is not measured), and 0.7 L/100 km more mixed fuel use, while kerb weight drops by 1 kg.
Searches for Infiniti J30 specs, horsepower, engine, mpg, RWD, and “J30 vs J30t” all land on this pair. The catalogue does not name a J30t, does not list original price, and does not list a later JX. Those queries are answered only by the two 3.0 AT rows below.
Infiniti J generations: one Sedan, two 3.0 AT versions
1 generation (1992–1997), Sedan, 2 versions. Production start is 1992-01-01 and stop is 1997-12-31 for the generation and for both 3.0 AT rows. There is no second generation to “step up” into, no restyling listed as a separate generation, and no other body. If you are choosing which Infiniti J to buy, you are choosing between two 3.0 AT calibrations of the same generation, not between eras.
What did not change between the two versions: 2960 cm³, Gasoline, 6 cylinders, V-shaped, 4 valves per cylinder, boost No, distributed injection (multi-point), compression 10.5, bore × stroke 87 × 83, fuel 95, Automatic / 4, RWD, city 16 L/100 km, highway 9 L/100 km, tank 72 L, ground clearance 150 mm, independent spring suspension front and rear, ventilated disc front brakes, disc rear brakes, top speed 206 km/h. Wheel size is not measured on both. Gross vehicle weight is not measured on both. CO2 and eco class are not measured on both. Engine position is not measured on both.
What did change: peak power, peak torque and the rpm at which torque is quoted, mixed consumption, kerb weight, and whether 0–100 km/h was measured.
Infiniti J30 specs: both 3.0 AT versions side by side
| Version | hp (kW @ rpm) | Nm @ rpm | cm³ | Fuel | Cyl. / layout | Boost | Gearbox | Drive |
|---|---|---|---|---|---|---|---|---|
| 3.0 AT (200 hp) | 200 (147 @ 6000) | 260 @ 4400 | 2960 | Gasoline | 6 / V-shaped | No | Automatic 4 | RWD |
| 3.0 AT (213 hp) | 213 (157 @ 6000) | 262 @ 4800 | 2960 | Gasoline | 6 / V-shaped | No | Automatic 4 | RWD |
Both 3.0 AT engines are Gasoline, 6, V-shaped, 4 valves per cylinder, boost No. Peak power rpm is 6000 on both. The 213 hp 3.0 AT is the one that people looking up Infiniti J30 horsepower will match if they want the higher figure; the 200 hp 3.0 AT is the lower-output row of the same name.
Infiniti J30 engine: what the extra 13 hp actually is
Displacement is identical: 2960 cm³ on both 3.0 AT versions. Specific output is therefore 200 / 2.960 ≈ 67.6 hp per litre on the 200 hp car and 213 / 2.960 ≈ 72.0 hp per litre on the 213 hp car — a gap of about 4.4 hp per litre. In kilowatts: 147 kW versus 157 kW, a 10 kW difference at the same 6000 rpm.
Torque barely moves: 260 Nm at 4400 rpm versus 262 Nm at 4800 rpm — +2 Nm, quoted 400 rpm higher. The 213 hp 3.0 AT is not a different displacement and is not a boosted engine (boost is No on both). Compression stays 10.5; bore × stroke stays 87 × 83; fuel stays 95; injection stays distributed injection (multi-point). The catalogue does not list a separate engine family name. If you are shopping an Infiniti J30 engine, you are looking at the same 2960 cm³ Gasoline 6 V-shaped unit in two power ratings.
Power density versus mass: kerb weight is 1601 kg on the 200 hp 3.0 AT and 1600 kg on the 213 hp 3.0 AT. Kilograms per horsepower: 1601 / 200 = 8.005 kg/hp versus 1600 / 213 ≈ 7.51 kg/hp. The 213 hp car is 0.495 kg/hp lighter per unit of power — almost entirely from the extra 13 hp, not from a lighter body (1 kg).
Infiniti J30: RWD or not, gearbox, same driveline
Both versions are RWD with an Automatic 4-speed. There is no FWD Infiniti J in this data set and no extra ratio count to buy. “What the extra money buys” cannot be answered with a price (original price is not measured), but it can be answered with hardware that actually differs: 13 hp, 10 kW, 2 Nm, mixed consumption, 1 kg, and a published 0–100. Gearbox, drive, tank, clearance, brakes, and suspension specification strings are identical.
Performance: 0–100, top speed — where the 213 hp 3.0 AT is the only measured sprint
3.0 AT (200 hp): 0–100 km/h not measured; top speed 206 km/h. 3.0 AT (213 hp): 0–100 km/h 8.8 s; top speed 206 km/h.
Top speed does not reward the extra 13 hp: both 3.0 AT versions are listed at 206 km/h. If the buying criterion is a published sprint, only the 213 hp 3.0 AT has one (8.8 s). Do not treat the 200 hp car as slower by a calculated gap — its 0–100 is not measured, not “unknown because it is slow.”
Infiniti J30 mpg: city, highway, mixed
Fuel figures are in L/100 km.
| Version | City | Highway | Mixed | Tank |
|---|---|---|---|---|
| 3.0 AT (200 hp) | 16 | 9 | 11.8 | 72 L |
| 3.0 AT (213 hp) | 16 | 9 | 12.5 | 72 L |
City 16 and highway 9 are the same on both 3.0 AT versions. Mixed is 11.8 versus 12.5 — the 213 hp car uses 0.7 L/100 km more in the mixed cycle (12.5 − 11.8 = 0.7), about 5.9% more mixed fuel (0.7 / 11.8). Tank volume is 72 L on both; CO2 is not measured on both.
Range from tank and mixed figure (arithmetic on the given numbers, not a catalogue range field): 72 / 11.8 ≈ 6.10 hundred-km units on the 200 hp 3.0 AT versus 72 / 12.5 = 5.76 on the 213 hp 3.0 AT. The lower-output car is the mixed-economy choice. If most of your driving is the city or highway cycles as listed, the two cars are tied at 16 and 9.
Dimensions and weight: kerb, clearance, tank, wheels
Gross weight is not measured on both 3.0 AT versions. Wheel size is not measured on both.
Kerb weight: 1601 kg (200 hp 3.0 AT) versus 1600 kg (213 hp 3.0 AT) — 1 kg. Ground clearance: 150 mm on both. Tank: 72 L on both. There is no dimension table (length/width/height) in the data; those values are not measured. Searches for 2013 JX dimensions and weight do not apply to this model: this catalogue entry is the 1992–1997 Infiniti J Sedan only.
For a buyer, weight and clearance do not separate the versions. You are not choosing a lighter chassis or a higher ride; you are choosing output and mixed consumption on the same 150 mm and essentially the same kerb mass.
Which version to choose
Choose the 200 hp 3.0 AT if mixed economy is the tie-breaker. Same city 16, same highway 9, mixed 11.8 instead of 12.5. You give up 13 hp and 10 kW, 2 Nm, and you have no listed 0–100 ( not measured ). Top speed stays 206. Kerb weight is 1 kg higher (1601 vs 1600). Power per litre is the lower ~67.6 hp/L. This is the same Automatic 4 RWD Sedan as the other row.
Choose the 213 hp 3.0 AT if you want the higher Infiniti J30 horsepower figure and a listed sprint. You get 213 hp / 157 kW at 6000 rpm, 262 Nm at 4800, ~72.0 hp/L, ~7.51 kg/hp, and 8.8 s to 100 km/h. You pay 0.7 L/100 km extra mixed. Top speed is still 206 km/h — the extra power does not raise the listed maximum. City and highway mpg figures do not change.
Do not choose by generation. There is 1 generation. There is no later Infiniti J in this data to buy for “new chassis.” There is no second body. There is no listed restyling as its own generation.
Do not choose by name string alone. Both versions are named 3.0 AT. Distinguish them by 200 hp versus 213 hp. Mixing them as one car would hide a 13 hp gap and a 0.7 mixed-consumption gap.
What you cannot use as a buying filter here: original price (not measured), sale listings, J30t as a catalogue name, FWD (both are RWD), wheel size (not measured), gross weight (not measured), CO2 (not measured), eco class (not measured), engine position (not measured), 0–100 on the 200 hp 3.0 AT (not measured).
Short arithmetic recap for the 213 hp 3.0 AT versus the 200 hp 3.0 AT: +13 hp, +10 kW, +2 Nm, torque peak 400 rpm higher, mixed +0.7 L/100 km, kerb −1 kg, 0–100 8.8 s versus not measured, top speed 0 km/h difference (206 / 206), city 0, highway 0, tank 0, clearance 0. That is the entire version-to-version spread in this catalogue.