Kia K4 Sportswagon is 21 mm (0.8 in) longer than Honda Civic Si Sedan.
Kia K4 Sportswagon is 25 mm (1 in) taller than Honda Civic Si Sedan.
Kia K4 Sportswagon has a wheelbase 16 mm (0.6 in) shorter than Honda Civic Si Sedan.
Blue solid line: Honda Civic Si Sedan; orange dashed line: Kia K4 Sportswagon.The outlines are generic body shapes drawn at one scale, not the real design of any model.
Honda Civic Si Sedan is 4,674 mm (184 in) long and 1,410 mm (55.5 in) high, with a wheelbase of 2,736 mm (107.7 in). Kia K4 Sportswagon is 4,695 mm (184.8 in) long and 1,435 mm (56.5 in) high, with a wheelbase of 2,720 mm (107.1 in).
Kia K4 Sportswagon is 49 mm (1.9 in) wider than Honda Civic Si Sedan.
Blue solid line: Honda Civic Si Sedan; orange dashed line: Kia K4 Sportswagon.
Honda Civic Si Sedan is 1,801 mm (70.9 in) wide and 1,410 mm (55.5 in) high. Kia K4 Sportswagon is 1,850 mm (72.8 in) wide and 1,435 mm (56.5 in) high.
Blue solid line: Honda Civic Si Sedan; orange dashed line: Kia K4 Sportswagon.
Honda Civic Si Sedan is 1,801 mm (70.9 in) wide and 1,410 mm (55.5 in) high. Kia K4 Sportswagon is 1,850 mm (72.8 in) wide and 1,435 mm (56.5 in) high.
Compare specifications
A check mark shows the better value in a row. Range and efficiency check marks compare only values from the same test cycle. Prices are each market's own list prices, compared within that market; some include tax and some do not, and no price is marked better when the tax treatment differs. Energy cost is what the energy for 100 km (100 mi where the market uses miles) costs at the market's latest published national energy price, in its own currency, with the price's source and date.
260 Nm192 lb-ft (260 Nm)Better value on this metric
200 Nm148 lb-ft (200 Nm)
Engine and fuel
Fuel use
30.9 mpg7.6 L/100 km (EPA)37.2 mpg (EPA)
37.9 mpg (WLTP)6.2 L/100 km (WLTP)45.6 mpg
Fuel tank
46.9 L
47 L
Engine size
1,498 cc
998 cc
CO2 emissions
–Not available
141 g/km
Practicality
Seats
5
5
Cargo space
399 L399 L (14.1 cu ft)
–Not available
Honda Civic Si Sedan
Specifications: Manufacturer official pages, cited per row, checked . automobiles.honda.com
Source detailsExact factors: in x 25.4; hp x 0.745699872; l/100km = 235.214583 / combined mpg; lb-ft x 1.3558179483314004; lb x 0.45359237; cu ft x 28.316846592; gal x 3.785411784.
Kia K4 Sportswagon
Specifications: Manufacturer official pages, cited per row, checked . www.kia.com
Source detailsKia Deutschland price list PDF, Modelljahr 2026, Stand 19. Juni 2026. https://www.kia.com/content/dam/kwcms/kme/de/de/assets/contents/utility/Preisliste/Kia-Germany-K4-Sportswagon-Preisliste.pdf -> length_mm "Länge Breite (ohne Außenspiegel) Höhe (in mm): 4.695 x 1.850 x 1.435"; width_mm (same row) [without mirrors]; height_mm (same row); wheelbase_mm "Radstand (in mm): 2.720"; seats "Anzahl der Sitze: 5"; power_kw "Max. Leistung (kW/PS bei min-1): 84,6/115 bei 6.000" [kW as printed]; torque_nm "Max. Drehmoment (Nm bei min-1): 200 bei 2.000 - 3.000"; fuel_consumption_l100km "Kombiniert (l/100 km): 6,2" [WLTP combined]; co2g_per_km "CO2-Emissionen kombiniert (g/km): 141" [WLTP combined]; fuel_tank_l "Tankvolumen (Füllmenge in Liter): 47"; engine_displacement_cc "Hubraum (cm3): 998". Frontantrieb (FWD) as printed. Weight and cargo are min/max ranges: not imported. Dot-thousands are mm (4.695 = 4695 mm) and cm3 (1.598 = 1598).
Test cycles differ (WLTP and EPA), so these rows are not compared.