| Pricing & Fees | IS 350 C | IS 250 C | ||
| Base MSRP | $46,890 [1] | $42,610 [1] | ||
| Delivery, Processing & Handling Fee |
$895 [2] | $895 [2] | ||
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| Engine | IS 350 C | IS 250 C | ||
|
Type
|
60o V6, aluminum block and heads, direct and port fuel injection | 60o V6, aluminum block and heads, direct fuel injection | ||
| Displacement | 3.5 liters (210 cubic inches) | 2.5 liters (152 cubic inches) | ||
| Valvetrain | Four cam, four valves per cylinder, with dual Variable Valve Timing with intelligence (VVT-i) | Four cam, four valves per cylinder, with dual Variable Valve Timing with intelligence (VVT-i) | ||
| Compression Ratio | 11.8:1 | 12.0:1 | ||
| Horsepower at RPM | 306 @ 6,400 [3] | 204 @ 6,400 [3] | ||
| Torque at RPM | 277 lb-ft @ 4,800 [3] | 185 lb-ft @ 4,800 [3] | ||
| Emission Rating | Certified Ultra-Low Emission Vehicle (ULEV II) |
Certified Ultra-Low Emission Vehicle (ULEV II) |
||
| Performance | IS 350 C | IS 250 C | ||
| 0-60 MPH Acceleration | 5.8 seconds [3] [4] | 8.4 seconds [3] [4] | ||
| Top Track Speed (electronically limited) | 141 mph [3] [4] | 131 mph [3] [4] | ||
| EPA Fuel Economy Ratings (city/highway/combined) | 19/27/22 mpg [5] | 21/30/24 mpg [5] | ||
| Aerodynamic Drag Coefficient | 0.29 | 0.29 | ||
| Turning Circle | 33.5 ft | 33.5 ft | ||
| Drivetrain | IS 350 C | IS 250 C | ||
| Transmission | Six-speed paddle-shift-sequential automatic Electronically Controlled Transmission with intelligence (ECT-i) | Six-speed paddle-shift-sequential automatic Electronically Controlled Transmission with intelligence (ECT-i) | ||
| Drive Wheels | Rear-wheel drive | Rear-wheel drive | ||
| Final Drive Ratio | 4.083:1 | 3.909:1 | ||
| Chassis | IS 350 C | IS 250 C | ||
| Suspension (front) | Independent, double-wishbone with coil springs, monotube gas-pressurized shock absorbers and hollow stabilizer bar | Independent, double-wishbone with coil springs, monotube gas-pressurized shock absorbers and hollow stabilizer bar | ||
| Suspension (Rear) | Independent, multi-link with coil springs, inverted monotube gas-pressurized shock absorbers and stabilizer bar | Independent, multi-link with coil springs, inverted monotube gas-pressurized shock absorbers and stabilizer bar | ||
| Steering | Electronic Power Steering (EPS) system. 3.2 turns lock to lock | Electronic Power Steering (EPS) system. 3.2 turns lock to lock | ||
| Brakes | Four-wheel power-assisted discs, four-sensor, four-channel Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD), and Brake Assist [6]. | Four-wheel power-assisted discs, four-sensor, four-channel Anti-lock Braking System (ABS), Electronic Brakeforce Distribution (EBD), and Brake Assist [6]. | ||
| Brake Size | Four-piston front calipers. 13.1-in front, 12.2-in rear ventilated discs | Two-piston front calipers. 11.6-in front, 12.2-in rear ventilated discs | ||
| Wheels and Tires | 17 x 8.0-in 10-spoke alloy wheels with 225/45VR17 all-season tires front [7], 245/45VR17 all-season tires rear [7] | 17 x 8.0-in 10-spoke alloy wheels with 225/45VR17 all-season tires front [7], 245/45VR17 all-season tires rear [7] | ||
| Body / Dimensions | IS 350 C | IS 250 C | ||
| Type | Four-passenger retractable hardtop luxury sport convertible coupe | Four-passenger retractable hardtop luxury sport convertible coupe | ||
| Construction | Welded-steel unibody | Welded-steel unibody | ||
| Overall Length | 182.5 in (4,635 mm) | 182.5 in (4,635 mm) | ||
| Width | 70.9 in (1,800 mm) | 70.9 in (1,800 mm) | ||
| Height | 55.7 in (1,415 mm) | 55.7 in (1,415 mm) | ||
| Wheelbase | 107.5 in (2,730 mm) | 107.5 in (2,730 mm) | ||
| Trunk Capacity (top up) | 10.8 cu ft (306 L) | 10.8 cu ft (306 L) | ||
| Curb Weight | 3,872 lb (1,756 kg) | 3,806 lb (1,726 kg) | ||
| Fuel-Tank Capacity | 17.2 gal (65 L) | 17.2 gal (65 L) | ||
| Headroom | 38.3/36.1 in (973/918 mm) (front/rear) | 38.3/36.1 in (973/918 mm) (front/rear) | ||
| Legroom | 44.1/25.9 in (1,121/658 mm) (front/rear) | 44.1/25.9 in (1,121/658 mm) (front/rear) | ||
| Shoulder Room | 54.2/44.7 in (1,378/1,136 mm) (front/rear) | 54.2/44.7 in (1,378/1,136 mm) (front/rear) | ||
| Hip Room | 54.3/43.3 in (1,378/1,101 mm) (front/rear) | 54.3/43.3 in (1,378/1,101 mm) (front/rear) | ||