Comparison Acura RDX I 2.3 (240 Hp) AWD Automatic & Polestar 3 111 kWh (490 Hp) AWD Long range Dual motor & Lotus Exige III S Coupe Sport 380 3.5 V6 (380 Hp) Automatic & Alpina B6 Coupe (E63) 4.4i V8 32V S (530 Hp)
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| Brand: | Acura | Polestar | Lotus | Alpina |
| Model: | RDX | 3 | Exige | B6 |
| Generation: | RDX I | 3 | Exige III S Coupe | B6 Coupe (E63) |
| Engine / modification: | 2.3 (240 Hp) AWD Automatic | 111 kWh (490 Hp) AWD Long range Dual motor | Sport 380 3.5 V6 (380 Hp) Automatic | 4.4i V8 32V S (530 Hp) |
| Production start: | 2007 year | 2022 year | 2017 year | 2008 year |
| Production end: | 2009 year | 2018 year | 2010 year | |
| Coupe type: | SUV | SUV | Coupe | Coupe |
| Powertrain Architecture: | BEV (Electric Vehicle) | |||
| Num. of Doors: | 5 | 5 | 2 | 2 |
| Num. of seats: | 5 | 5 | 2 | 4 |
| Fuel consumption / economy - urban: | 12.38 l/100 km | 11.0 l/100 km | 22.0 l/100 km | |
| Fuel consumption / economy - extra urban: | 10.22 l/100 km | 6.3 l/100 km | 8.7 l/100 km | |
| Fuel consumption / economy - combined: | 8.8 l/100 km | 18.6 l/100 km | ||
| Fuel Type: | Petrol (Gasoline) | Electricity | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.29 | |||
| Fuel tank volume: | 68 l | 70 l | ||
| Emission standard: | Euro 4 | |||
| CO2 emissions: | 225 g/km | |||
| Power: | 240 hp | 380 hp | 530 hp | |
| Max power in: | 6000 rpm. | 6700 rpm. | 5500 rpm. | |
| Maximum speed: | 210 km/h | 274 km/h | 318 km/h | |
| Acceleration from 0 to 100 km/h: | 5 sec | 3.7 sec | 4.5 sec | |
| Torque: | 353 Nm @ 4500 rpm. | 410 Nm @ 5000 rpm. | 725 Nm @ 4750 rpm. | |
| Model Engine: | K23A1 | 2GR-FE | ||
| Engine position: | Front, transverse | Rear axle, Transverse | Middle, transverse | Front, longitudinal |
| Engine displacement: | 2300 cm3 | 3456 cm3 | 4398 cm3 | |
| Engine oil capacity: | 4.7 l | 6.1 l | ||
| Coolant: | 8.0 l | 14 l | ||
| Fuel System: | Multi-point injection | Multi-point injection | ||
| Aspiration / Turbine: | Turbocharging | Mechanical supercharging (Compressor) | ||
| Position of cylinders: | Inline | V engine | V engine | |
| Valvetrain: | DOHC, i-VTEC | DOHC, VVT-i | DOHC | |
| Number of cylinders: | 4 | 6 | 8 | |
| Number of valves per cylinder: | 4 | 4 | 4 | |
| Compression ratio: | 8.8 | 9 | ||
| Piston Stroke: | 99 mm | 82.7 mm | ||
| Cylinder Bore: | 86 mm | 92 mm | ||
| All-electric range (WLTP): | 610 km | |||
| Average Energy consumption (WLTP): | 20.1-21.1 kWh/100 km | |||
| Battery voltage: | 400 V | |||
| Battery technology: | Lithium nickel manganese cobalt oxides (Li-NMC) | |||
| System power: | 490 Hp hp/ rpm. | |||
| System torque: | 840 Nm Nm/ rpm. | |||
| Wheel Drive: | All wheel drive (4x4) | All wheel drive (4x4) | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 5 | 6 | 6 | |
| Length: | 4590 mm | 4900 mm | 4820 mm | |
| Width: | 1869 mm | 1855 mm | ||
| Width including mirrors: | 2120 mm | |||
| Height: | 1656 mm | 1627 mm | 1371 mm | |
| Wheelbase: | 2650 mm | 2985 mm | 2780 mm | |
| Front track: | 1572 mm | 1558 mm | ||
| Rear (Back) track: | 1590 mm | 1598 mm | ||
| Ride height(clearance): | 211 mm | |||
| Minimum volume of Luggage (trunk): | 484 l | |||
| Maximum amount of Luggage (trunk): | 1411 l | 450 l | ||
| Front suspension: | The depreciated rack | Double wishbone | Independent, Spring McPherson, with stabilizer | |
| Rear suspension: | Helical spring | Helical spring | ||
| Max weight: | 2190 kg | |||
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs | |
| Rear brakes: | Disc | Ventilated discs | Ventilated discs | |
| Kerb Weight: | 1780 kg | 2584-2670 kg | 1121 kg | 1720 kg |
| ABS: | yes | yes | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | |||
| Max. roof load: | 100 kg | |||
| Minimum turning circle (turning diameter): | 11.9 m | 11.8 m | ||
| Permitted trailer load with brakes (12%): | 2200 kg | |||
| Permitted towbar download: | 100 kg | |||
| Tire size: | 235/55 R18 | Front wheel tires: 265/45 R21; 265/40 R22 | Front wheel tires: 215/45 R17 | 255/35 ZR20 |
| Wheel rims size: | 7.5J X 18 | Front wheel rims: 21; 22 | Front wheel rims: R17 |