2020 Honda Civic Si Dimensions, Sizes & Specifications
Based on 4 trims — exact values when identical, ranges when trims differ. Generation: Tenth generation (FC1/FC2/FC5) - Facelift.
- Length177.3 in – 182.8 in
- Width70.8 in – 70.9 in
- Height54.7 in – 55.5 in
- Wheelbase106.3 in
- Curb weight2,889 lb – 2,906 lb
- Length177.3 in – 182.8 in
- Height54.7 in – 55.5 in
- Wheelbase106.3 in
- Curb weight2,889 lb – 2,906 lb
- Width70.8 in – 70.9 in
Proportional exterior silhouette from catalog length, width and height. The explorer below is a systems map — different purpose, not a second silhouette.
Explore your 2020 Honda Civic Si
Interactive systems diagram for this model year — measure, check fitment, and open the matching SpecSizes tools. Schematic only; not photorealistic body styling.
- Dimensions
- Wheels
- Tires
- Battery
- Oil
- Interior
Available for this vehicle
- Dimensions
- Wheels
- Tires
- Battery
- Oil
- Interior
Select a system below or on the diagram. This schematic marks measurement areas — it is not body-accurate styling.
Catalog summaries
Exterior: 177.3 in – 182.8 in · 70.8 in – 70.9 in · 54.7 in – 55.5 in. Full dimensions
Wheels: bolt pattern 5x114.3, bore 64.1 mm. Wheel sizes
Tires: P235/40WR18.0 BSW AS, P235/40YR18.0 BSW summer performance, 235/40R18. Tire sizes
What do you want to check?
- Compare this vehicleSize vs a competitor
- See size by yearModel history & chart
- Will it fit in my garage?Door & bay clearance calculator
- Find cars similar in sizeExterior length, width & height neighbors
- See shorter carsShorter than ~86% of sedans in the current dataset
- See narrower vehiclesNarrower than ~84% of sedans
- Browse cars by sizeReverse-search by length, width & height
- Check tire sizeOEM tire sizes
- Check battery sizeGroup size
- Check oil capacityCapacity & viscosity
- Check wheel sizeBolt pattern, bore, offset
- Wheel fitment & interchangeCompare donor or custom wheels
Exterior dimensions
| Length | 177.3 in – 182.8 in |
|---|---|
| Width | 70.8 in – 70.9 in |
| Height | 54.7 in – 55.5 in |
| Wheelbase | 106.3 in |
Interior dimensions
| Front headroom | 37.0 in – 38.0 in |
|---|---|
| Rear headroom | 35.0 in – 37.0 in |
| Front legroom | 42.3 in |
| Rear legroom | 35.9 in – 37.4 in |
| Front shoulder room | 57.0 in |
| Rear shoulder room | 53.0 in – 55.0 in |
| Front hip room | 54.0 in |
| Rear hip room | 47.0 in – 48.0 in |
Weight & capacities
| Curb weight | 2,889 lb – 2,906 lb |
|---|---|
| Fuel tank | 12.4 gal |
| Max towing capacity | 999 lb |
Engine
- 1891 1912
| Torque | 192 lb-ft |
|---|
Torque shown in lb-ft as stored in the catalog.
Wheels, tires & maintenance sizes
Tire sizes Full tire size page → · Wheel fitment →
- P235/40WR18.0 BSW AS
- P235/40YR18.0 BSW summer performance
- 235/40R18
Battery group size Full battery size page →
- 51R-2
Oil capacity Full oil capacity page →
- 0W-203.4 qt
Trim-by-trim dimensions (4 trims)
| Trim | Length | Width | Height | Wheelbase | Clearance | Curb wt |
|---|---|---|---|---|---|---|
| Base 2dr Coupe | 177.3 | 70.9 | 54.7 | 106.3 | — | 2889 |
| Base 4dr Sedan | 182.8 | 70.8 | 55.5 | 106.3 | — | 2906 |
| Base w/Summer Tires 2dr Coupe | 177.3 | 70.9 | 54.7 | 106.3 | — | 2889 |
| Base w/Summer Tires 4dr Sedan | 182.8 | 70.8 | 55.5 | 106.3 | — | 2906 |
Values in inches / pounds as stored. Ranges above reflect trim variation.
Same generation (Tenth generation (FC1/FC2/FC5) - Facelift): years 2019–2020. View model overview