SPECIFICATIONS
| Sedan | CONVERTIBLE |
TRIM |
MSRP |
| IS 250 | $32,145 |
| IS 250 AWD | $35,775 |
| IS 350 | $37,595 |
| IS-F | $58,460 |
ENGINES
Type: |
2,499cc V6; aluminum block and heads |
| Valvetrain: | DOHC 4-valves/cyl. |
| Power [hp at rpm]: | 204 at 6,400 |
| Torque [lb-ft at rpm]: | 185 at 4,800 |
| Bore & Stroke [mm]: | 83.0 x 77.0 |
| Compression Ratio: | 12.0:1 |
| Redline: | 6,600 |
| Mileage City / Hwy [mpg]: | 18 - 21 / 26 - 29 |
| Available with: | IS 250 |
Type: |
3,456cc V6; aluminum block and heads |
| Valvetrain: | DOHC 4-valves/cyl. |
| Power [hp at rpm]: | 306 at 6,400 |
| Torque [lb-ft at rpm]: | 277 at 4,800 |
| Bore & Stroke [mm]: | 94.0 x 83.0 |
| Compression Ratio: | 11.8:1 |
| Redline: | 6,600 |
| Mileage City / Hwy [mpg]: | 18 / 25 |
| Available with: | IS 350 |
Type: |
4,969cc V8; aluminum block and heads |
| Valvetrain: | DOHC 4-valves/cyl. |
| Power [hp at rpm]: | 416 at 6,600 |
| Torque [lb-ft at rpm]: | 371 at 5,200 |
| Bore & Stroke [mm]: | 94.0 x 89.4 |
| Compression Ratio: | 11.8:1 |
| Redline: | 6,800 |
| Mileage City / Hwy [mpg]: | 16 / 23 |
| Available with: | IS-F |
TRANSMISSIONS
Type: |
6-speed manual |
| Ratios: | 3.79, 2.28, 1.52, 1.19, 1.00, 0.79 |
| Final Drive: | 3.73 |
| Available with: | IS 250 RWD |
Type: |
6-speed automatic |
| Ratios: | 3.54, 2.06, 1.40, 1.00, 0.71, 0.58 |
| Final Drive: | 3.91 |
| Available with: | IS 250 RWD |
Type: |
6-speed automatic |
| Ratios: | 3.52, 2.04, 1.40, 1.00, 0.72, 0.59 |
| Final Drive: | 4.10 (IS 250 AWD); 4.08 (IS 350) |
| Available with: | IS 250 AWD; IS 350 |
Type: |
8-speed automatic |
| Ratios: | 4.60, 2.72, 1.86, 1.46, 1.23, 1.00, 0.82, 0.69 |
| Final Drive: | 2.94 |
| Available with: | IS-F |
LAYOUT
Engine position: |
Front-engine |
Driveline: |
Rear-wheel-drive & All-wheel-drive |
SUSPENSION
Front: |
Double-wishbone; coil springs, anti-roll bar |
Rear: |
Multi-link; coil springs, anti-roll bar |
BRAKES
Front: |
11.7 in. power-assisted vented discs 13.2 in. power-assisted vented discs (IS 350) 14.2 in. power-assisted vented and drilled discs (IS-F) |
Rear: |
11.5 in. power-assisted discs 12.2 in. power-assisted vented discs (IS 350) 13.6 in. power-assisted vented and drilled discs (IS-F) |
WEIGHT & CAPACITIES
Curb weight [lbs]: |
3,455 - 3,780 |
| Weight distribution: | 52 / 48 54 / 46 (IS 250 AWD; IS-F) |
| Fuel Capacity [gal.]: | 17.1 16.9 (IS-F) |
STEERING
Type: |
Rack & Pinion; power-assist |
Turning Circle [ft.] |
33.5 35.5 (IS 250 AWD) |
EXTERIOR DIMENSIONS
Length [in.]: |
180.3 183.5 (IS-F) |
Width [in.]: |
70.9 71.5 (IS-F) |
Height [in.]: |
56.1 56.7 (IS 250 AWD) 55.7 (IS-F) |
| Wheelbase [in.]: | 107.5 |
| Front Track [in.]: | 60.4 61.4 (IS-F) |
| Rear Track [in.]: | 60.4 59.6 (IS-F) |
Coefficient of Drag: |
0.28 0.30 (IS-F) |
INTERIOR DIMENSIONS
Pass. Vol. [cu-ft]: |
88.3 85.7 (IS-F) |
Seating Capacity: |
5 |
Front Headroom [in.]: |
39.0 37.2 (IS-F) |
| Rear Headroom [in.]: | 36.9 36.7 (IS-F) |
Front Legroom [in.]: |
43.9 |
| Rear Legroom [in.]: | 30.6 |
Front Shoulderroom [in.]: |
54.4 |
| Rear Shoulderroom [in.]: | 52.7 |
Front Hiproom [in.]: |
54.1 |
| Rear Hiproom [in.]: | 53.7 |
Cargo Cap. [cu-ft]: |
13.0 13.3 (IS-F) |
