Subaru Tribeca: Which Version Should You Buy?
The Subaru Tribeca choice comes down to two specifications of the pre-restyling 3.0 AT and the restyled 3.6 AT. The 3.0 AT was offered with either 245 hp or 250 hp from January 2004 through March 2007, while the 3.6 AT ran from April 2007 through January 2014 with 258 hp, 350 Nm, quicker acceleration, a higher top speed, and lower stated fuel consumption.
The Subaru Tribeca choice comes down to two specifications of the pre-restyling 3.0 AT and the restyled 3.6 AT. The 3.0 AT was offered with either 245 hp or 250 hp from January 2004 through March 2007, while the 3.6 AT ran from April 2007 through January 2014 with 258 hp, 350 Nm, quicker acceleration, a higher top speed, and lower stated fuel consumption. All three versions are Gasoline-powered SUV 5-doors models with a 5-speed Automatic gearbox and AWD. On the supplied numbers alone, the 3.6 AT is the strongest all-round choice; the two 3.0 AT specifications remain nearly identical alternatives whose principal recorded difference is 5 hp.
Subaru Tribeca generations and versions
The Subaru Tribeca has one generation presented in two phases, not two separate generations.
The original 1 generation ran from January 2004 to March 2007 as an SUV 5-doors. It contains two versions, both named exactly 3.0 AT. They must be distinguished by output: one produces 250 hp, while the other produces 245 hp. Both have 2,999 cm³ engines, 297 Nm, a 5-speed Automatic transmission, and AWD.
The 1 generation, restyling ran from April 2007 to January 2014, also as an SUV 5-doors. It contains one version, the 3.6 AT, with a 3,630 cm³ engine producing 258 hp and 350 Nm. It retains the 5-speed Automatic gearbox and AWD but changes several measurable performance, economy, weight, and clearance figures.
Subaru Tribeca engine specs and horsepower
| Version and production phase | Power | Torque | Displacement | Fuel | Cylinders | Layout | Boost | Gearbox | Drive |
|---|---|---|---|---|---|---|---|---|---|
| 3.0 AT, 1 generation, 250 hp | 250 hp at 6,600 rpm | 297 Nm at 4,200 rpm | 2,999 cm³ | Gasoline, 95 | 6 | Opposite | No | 5-speed Automatic | AWD |
| 3.0 AT, 1 generation, 245 hp | 245 hp at 6,600 rpm | 297 Nm at 4,200 rpm | 2,999 cm³ | Gasoline, 95 | 6 | Opposite | No | 5-speed Automatic | AWD |
| 3.6 AT, 1 generation, restyling | 258 hp at 6,000 rpm | 350 Nm at 4,000 rpm | 3,630 cm³ | Gasoline, 95 | 6 | Opposite | No | 5-speed Automatic | AWD |
Each engine is mounted Front, longitudinal, uses Distributed injection (multi-point), and has 4 valves per cylinder. The two 3.0 AT specifications share a compression ratio of 10.7 and a bore-and-stroke measurement of 89.2 × 80. The 3.6 AT has a compression ratio of 10.5 and a 92 × 91 bore and stroke.
The 250 hp 3.0 AT develops approximately 83.4 hp per litre, while the 245 hp 3.0 AT develops approximately 81.7 hp per litre. The 3.6 AT produces approximately 71.1 hp per litre. The larger engine therefore does not deliver the greatest power per litre, but it supplies 53 Nm more torque than either 3.0 AT and reaches its torque peak 200 rpm earlier.
Compared with the 250 hp 3.0 AT, the 3.6 AT adds 8 hp and 53 Nm. Compared with the 245 hp 3.0 AT, it adds 13 hp and the same 53 Nm. Its displacement is 631 cm³ greater than that of either 3.0 AT.
Subaru Tribeca performance, fuel economy, and emissions
| Version | 0–100 km/h | Top speed | City consumption | Highway consumption | Combined consumption | CO₂ |
|---|---|---|---|---|---|---|
| 3.0 AT, 250 hp | 9.7 s | 195 km/h | 17.1 L/100 km | 9.5 L/100 km | 12.3 L/100 km | not measured |
| 3.0 AT, 245 hp | 9.7 s | 195 km/h | 17.1 L/100 km | 9.5 L/100 km | 12.3 L/100 km | not measured |
| 3.6 AT, 258 hp | 8.9 s | 207 km/h | 16.2 L/100 km | 9.0 L/100 km | 11.6 L/100 km | 275 g/km |
The two 3.0 AT versions have identical recorded performance and consumption: both reach 100 km/h in 9.7 seconds, have a 195 km/h maximum speed, and consume 12.3 L/100 km combined.
The 3.6 AT reaches 100 km/h 0.8 seconds sooner and has a top speed 12 km/h higher. Despite its additional 631 cm³ of displacement, its stated consumption is lower by 0.9 L/100 km in the city, 0.5 L/100 km on the highway, and 0.7 L/100 km combined.
Only the 3.6 AT has a recorded CO₂ figure, at 275 g/km. CO₂ output for both 3.0 AT specifications is not measured. The ecological class for every listed Tribeca version is not measured.
Subaru Tribeca dimensions, weight, clearance, and wheels
| Version | Kerb weight | Gross weight | Ground clearance | Fuel tank | Wheel sizes |
|---|---|---|---|---|---|
| 3.0 AT, 250 hp | 1,885 kg | 2,500 kg | 213 mm | 64 L | not measured |
| 3.0 AT, 245 hp | 1,885 kg | 2,500 kg | 213 mm | 64 L | not measured |
| 3.6 AT, 258 hp | 1,908 kg | 2,586 kg | 210 mm | 64 L | not measured |
The restyled 3.6 AT is 23 kg heavier at the kerb and has an 86 kg higher gross weight than either 3.0 AT. Its ground clearance is 3 mm lower, while the fuel tank remains unchanged at 64 L.
Weight per horsepower helps put the small power differences in context. The 3.6 AT carries approximately 7.40 kg per hp, compared with 7.54 kg per hp for the 250 hp 3.0 AT and 7.69 kg per hp for the 245 hp 3.0 AT. The 3.6 AT therefore has the most favorable weight-to-power relationship of the three, consistent with its quicker recorded acceleration.
Wheel sizes are not measured for any version. Overall exterior dimensions are also not measured in the supplied data.
All versions use Independent, spring suspension at the front and rear, together with Ventilated disc front brakes. The 3.0 AT specifications have ventilated rear discs, while the 3.6 AT has rear discs.
Subaru Tribeca reliability, engine problems, and years to avoid
Reliability, engine problems, engine-oil capacity, and model years to avoid are not measured in the supplied data. The specifications therefore cannot support a reliability ranking between the 3.0 AT and 3.6 AT, nor can they identify a particular production year that should be avoided.
For the same reason, this comparison does not make claims about engine swaps, engine removal, engine-bay access, or engines for sale. Those questions require service-history, maintenance, condition, and market information that is not present here.
Which Subaru Tribeca version should you buy?
Choose the 3.6 AT if performance and stated fuel consumption matter most. It provides 258 hp and 350 Nm, reaches 100 km/h in 8.9 seconds, and has a 207 km/h top speed. It is also the most economical on the supplied figures, at 16.2 L/100 km in the city, 9.0 L/100 km on the highway, and 11.6 L/100 km combined. Its trade-offs against either 3.0 AT are 23 kg more kerb weight and 3 mm less ground clearance.
Between the two original 3.0 AT versions, choose the 250 hp specification when both are otherwise equally suitable. It provides 5 hp more than the 245 hp specification without any recorded penalty in torque, acceleration, maximum speed, consumption, weight, clearance, or tank capacity. Both deliver 297 Nm, reach 100 km/h in 9.7 seconds, and consume 12.3 L/100 km combined.
Choose the 245 hp 3.0 AT only when factors outside this specification sheet make it preferable, because the supplied data shows no measurable advantage over the 250 hp 3.0 AT. Price, availability, condition, and reliability cannot be used here because they were not measured.
The numerical verdict is clear: the restyled 3.6 AT offers the best performance, the strongest torque output, the best weight-per-horsepower figure, and the lowest stated fuel consumption. The 250 hp 3.0 AT is the better of the two earlier specifications, while the 245 hp 3.0 AT needs a non-specification reason to become the preferred purchase.